logo
Illinois Wildflowers


Return to Homepage



Send questions or comments to John Hilty at the following
e-mail address:
john@illinoiswildflowers.info


Scientific Name List
Found 953 items
Scientific Name Common Name Family Name Common Family Name Type Color Flowering Petals Showy Group Arrangement Native
Abutilon theophrasti Velvetleaf Malvaceae Mallow Herb Yellow 000001368300 five 3 weeds Alternate X
Acalypha deamii Deam's Mercury Euphorbiaceae Spurge Herb 000000113900 woodland Alternate N
Acalypha ostryifolia Hornbeam Mercury Euphorbiaceae Spurge Herb Green 000001267410 weeds Alternate N
Acalypha rhomboidea Rhomboid Mercury Euphorbiaceae Spurge Herb Green, Orange 000001257400 weeds Alternate N
Acalypha virginica Virginia Mercury Euphorbiaceae Spurge Herb Green 000000366400 weeds Alternate N
Achillea millefolium Yarrow Asteraceae Aster Herb White, Pink1 000125751000 five 3 weeds Alternate ?
Acorus calamus Sweet Flag Acoraceae Sweet Flag Herb Green, Brown 000135642000 wetland Basal N
Actaea pachypoda Doll's Eyes Ranunculaceae Buttercup Herb White 000144352100 3 woodland Alternate N
Actaea racemosa
See: Cimicifuga racemosa
Black Cohosh
Aegopodium podagraria Goutweed Apiaceae Carrot Herb White 000019620000 five 1 weeds Alternate, Basal X
Agalinis auriculata
See: Tomanthera auriculata
Ear-Leaved False Foxglove
Agalinis purpurea Purple False Foxglove Orobanchaceae Figwort Herb Pink, Blue 000000049610 five 3 prairie Opposite N
Agalinis tenuifolia Slender False Foxglove Orobanchaceae Figwort Herb Violet, Pink 000000069300 five 3 prairie Opposite N
Agastache foeniculum Anise Hyssop Lamiaceae Mint Herb Blue, Violet 000001982000 3 prairie Opposite N
Agastache nepetoides Yellow Giant Hyssop Lamiaceae Mint Herb White2, Yellow 000000287200 3 savanna Opposite N
Ageratina altissima White Snakeroot Asteraceae Aster Herb White 000000149410 many 2 woodland Opposite N
Agrimonia gryposepala Tall Agrimony Rosaceae Rose Herb Yellow 000001962100 five 2 savanna Alternate N
Agrimonia parviflora Swamp Agrimony Rosaceae Rose Herb Yellow 000001386100 five 2 wetland Alternate N
Agrimonia pubescens Downy Agrimony Rosaceae Rose Herb Yellow 000001694100 five 2 savanna Alternate N
Agrimonia rostellata Woodland Agrimony Rosaceae Rose Herb Yellow 000000674200 five 1 savanna Alternate N
Ajuga reptans Carpet Bugle Lamiaceae Mint Herb Blue, Violet 000594100000 3 weeds Basal X
Alcea rosea Hollyhock Malvaceae Mallow Herb White, Pink, Red 000023633200 five 4 weeds Alternate X
Aletris farinosa Colic Root Nartheciaceae Lily Herb White 000154721000 six 2 prairie Basal N
Alisma triviale Large-Flowered Water Plantain Alismataceae Water Plantain Herb White 000002863000 three 3 wetland Basal N
Alliaria petiolata Garlic Mustard Brassicaceae Mustard Herb White 000394200000 four 2 weeds Basal X
Allium burdickii Narrow-Leaved Wild Leek Amaryllidaceae Lily Herb White 000273521000 six 2 woodland Basal N
Allium canadense Wild Garlic Amaryllidaceae Lily Herb White, Pink 001477200000 six 3 prairie Basal N
Allium cernuum Nodding Onion Amaryllidaceae Lily Herb White, Violet2, Pink 000002971000 six 4 prairie Basal N
Allium schoenoprasum Chives Amaryllidaceae Lily Herb Violet, Pink 000114851000 six 3 weeds Basal X
Allium stellatum Cliff Onion Amaryllidaceae Lily Herb White, Violet2, Pink 000010486200 six 4 prairie Basal N
Allium tricoccum Wild Leek Amaryllidaceae Lily Herb White 000273521000 six 3 woodland Basal N
Allium tricoccum var. burdickii
See: Allium burdickii
Narrow-Leaved Wild Leek
Allium tuberosum Garlic Chives Amaryllidaceae Lily Herb White 000000255530 six 3 weeds Basal X
Allium vineale Field Garlic Amaryllidaceae Lily Herb Green, White, Violet 000139510000 six 2 weeds Alternate N, X
Amaranthus albus White Amaranth Amaranthaceae Amaranth Herb Yellow 000012356210 weeds Alternate N
Amaranthus blitoides Prostrate Pigweed Amaranthaceae Amaranth Herb Green 000012464200 weeds Alternate X
Amaranthus hybridus Slender Pigweed - Red Form Amaranthaceae Amaranth Herb Red, Brown 000011246411 weeds Alternate X
Amaranthus retroflexus Rough Pigweed Amaranthaceae Amaranth Herb Green 000001476200 weeds Alternate X
Amaranthus rudis Water Hemp Amaranthaceae Amaranth Herb Green, Pink 000000258400 weeds Alternate N
Amaranthus tuberculatus
See: Amaranthus rudis
Water Hemp
Ambrosia artemisiifolia Common Ragweed Asteraceae Aster Herb Yellow, Green 000001277200 weeds N
Ambrosia psilostachya Western Ragweed Asteraceae Aster Herb Yellow, Green 000001366310 prairie Alternate, Opposite ?
Ambrosia trifida Giant Ragweed Asteraceae Aster Herb Green 000001386200 weeds Opposite N
Ammannia coccinea Scarlet Toothcup Lythraceae Loosestrife Herb Pink, Violet 000001356410 four 1 wetland Opposite N
Amorpha canescens Leadplant Fabaceae Bean Herb Blue, Violet 000004842100 3 prairie N
Ampelamus albidus Bluevine Apocynaceae Milkweed Vine White 000001783100 five savanna Opposite N
Amphicarpaea bracteata Hog Peanut Fabaceae Bean Vine Violet, White, Pink 000001296100 pea 1 savanna Alternate N
Amsonia tabernaemontana Bluestar Apocynaceae Milkweed Herb Blue 001951110100 five 2 woodland Alternate N
Anemone acutiloba
See: Hepatica nobilis acuta
Sharp-Lobed Hepatica
Anemone canadensis Meadow Anemone Ranunculaceae Buttercup Herb White 000029620000 five 3 prairie Basal N
Anemone cylindrica Thimbleweed Ranunculaceae Buttercup Herb White 000005842000 five 3 prairie Basal, Whorled N
Anemone patens Pasque Flower Ranunculaceae Buttercup Herb Blue, Violet, White2 000277310000 five 4 prairie Basal N
Anemone virginiana Tall Anemone Ranunculaceae Buttercup Herb White 000015832100 five 3 savanna Whorled N
Anemonella thalictroides Rue Anemone Ranunculaceae Buttercup Herb White, Pink 002981000000 many, five 3 woodland Basal, Whorled N
Angelica atropurpurea Great Angelica Apiaceae Carrot Herb Green 000015851000 2 wetland Alternate N
Antennaria neglecta Field Pussytoes Asteraceae Aster Herb White 000395210000 1 prairie Alternate, Basal N
Antennaria plantaginifolia Plantain-Leaved Pussytoes Asteraceae Aster Herb White 001792000000 1 savanna Basal N
Anthemis arvensis Field Chamomile Asteraceae Aster Herb White 000247421000 many 3 weeds Alternate X
Aplectrum hyemale Putty-Root Orchid Orchidaceae Orchid Herb Yellow, Brown 001264111210 six 3 woodland N
Apocynum androsaemifolium Spreading Dogbane Apocynaceae Milkweed Herb White, Pink 000015941000 five 2 savanna Opposite N
Apocynum cannabinum Common Dogbane Apocynaceae Milkweed Herb White 000026731000 five 2 prairie Opposite N
Aquilegia canadensis Wild Columbine Ranunculaceae Buttercup Herb Yellow2, Red 000196200000 five 6 woodland Alternate, Basal N
Arabidopsis lyrata Sand Cress Brassicaceae Mustard Herb White 000187210000 four 1 savanna Basal N
Arabidopsis thaliana Mouse-Eared Cress Brassicaceae Mustard Herb White 003781000000 four 1 weeds Basal X
Aralia nudicaulis Wild Sarsaparilla Araliaceae Ginseng Herb White 000068420000 five 1 woodland N
Arctium minus Common Burdock Asteraceae Aster Herb Pink 000001494100 many 1 weeds Basal X
Arenaria serpyllifolia Thyme-Leaved Sandwort Caryophyllaceae Pink Herb White 000268301000 five 1 weeds Opposite X
Arisaema dracontium Green Dragon Araceae Arum Herb Green 001375211000 one 1 woodland N
Arisaema triphyllum Jack-in-the-Pulpit Araceae Arum Herb Green 001683111000 one 3 woodland N
Aristolochia serpentaria Virginia Snakeroot Aristolochiaceae Birthwort Herb Green, Brown, Black 000255222200 2 woodland Alternate, Basal N
Armoracia rusticana Horseradish Brassicaceae Mustard Herb White 000059311000 four 1 weeds Basal X
Arnoglossum atriplicifolium Pale Indian Plantain Asteraceae Aster Herb Yellow, White 000001674100 five 1 savanna Basal N
Arnoglossum plantagineum Prairie Indian Plantain Asteraceae Aster Herb White 000236520100 five 1 prairie Basal N
Artemisia absinthium Absinthe Asteraceae Aster Herb Yellow, Brown 000001593100 many weeds Alternate, Basal X
Artemisia annua Annual Wormwood Asteraceae Aster Herb Green 000000139610 many weeds Alternate X
Artemisia campestris caudata Beach Wormwood Asteraceae Aster Herb Green 000001693100 prairie Basal N
Artemisia ludoviciana gnaphalodes White Sage Asteraceae Aster Herb Green 000001484200 prairie Alternate N
Artemisia vulgaris Mugwort Asteraceae Aster Herb Green 000001674200 many weeds Alternate X
Asarum canadense reflexum Wild Ginger Aristolochiaceae Birthwort Herb Brown 000493111000 three 3 woodland Basal N
Asclepias exaltata Poke Milkweed Apocynaceae Milkweed Herb Pink, White 000017921000 five 2 woodland Opposite N
Asclepias hirtella Tall Green Milkweed Apocynaceae Milkweed Herb Green, White 000003962000 five 2 prairie Alternate N
Asclepias incarnata Swamp Milkweed Apocynaceae Milkweed Herb Pink 000001972100 five 3 wetland Opposite N
Asclepias ovalifolia Oval-Leaved Milkweed Apocynaceae Milkweed Herb White 000009721000 five 3 prairie Opposite N
Asclepias perennis White Swamp Milkweed Apocynaceae Milkweed Herb White 000026542000 five 3 wetland N
Asclepias purpurascens Purple Milkweed Apocynaceae Milkweed Herb Pink 000019611000 five 3 savanna Opposite N
Asclepias sullivantii Prairie Milkweed Apocynaceae Milkweed Herb Pink 000005932100 five 3 prairie Opposite N
Asclepias syriaca Common Milkweed Apocynaceae Milkweed Herb Pink 000005932100 five 3 weeds Opposite N
Asclepias tuberosa Butterfly Milkweed Apocynaceae Milkweed Herb Yellow2, Orange, Red2 000017731000 five 4 prairie Alternate N
Asclepias variegata White Milkweed Apocynaceae Milkweed Herb White 000095110000 five 3 savanna N
Asclepias verticillata Whorled Milkweed Apocynaceae Milkweed Herb White 000002863100 five 3 prairie Whorled N
Asclepias viridiflora Short Green Milkweed Apocynaceae Milkweed Herb Green 000017930000 five 2 prairie Opposite N
Asparagus officinalis Wild Asparagus Asparagaceae Lily Herb White, Green, Yellow 000146322100 six 1 weeds Alternate X
Astragalus canadensis Canada Milkvetch Fabaceae Bean Herb White, Yellow 000004941000 pea 2 prairie Alternate N
Atriplex patula Common Orach Amaranthaceae Amaranth Herb Green, Brown 000001267300 weeds Alternate, Opposite X
Aureolaria pedicularia Fern-Leaf False Foxglove Orobanchaceae Figwort Herb Yellow 000001296110 five 3 savanna Opposite, Basal N
Baptisia alba macrophylla White Wild Indigo Fabaceae Bean Herb White 001355321000 pea 2 prairie N
Baptisia australis Blue Wild Indigo Fabaceae Bean Herb Blue, Violet 000295210000 pea 3 prairie Alternate N
Baptisia bracteata Cream Wild Indigo Fabaceae Bean Herb Yellow, White 001683111000 pea 2 prairie Alternate N
Baptisia lactea var. lactea
See: Baptisia alba macrophylla
White Wild Indigo
Baptisia leucantha
See: Baptisia alba macrophylla
White Wild Indigo
Barbarea vulgaris arcuata Yellow Rocket Brassicaceae Mustard Herb Yellow 000286310000 four 1 weeds Basal X
Belamcanda chinensis Blackberry Lily Iridaceae Iris Herb Orange, Red 000000844300 six 5 weeds Alternate X
Besseya bullii Kittentails Plantaginaceae Plantain Herb Yellow 000294110010 two 2 prairie Basal N
Bidens bipinnata Spanish Needles Asteraceae Aster Herb Yellow 000000159400 many 1 weeds Opposite N
Bidens cernua Nodding Bur-Marigold Asteraceae Aster Herb Yellow 000000169200 many 3 wetland Opposite N
Bidens connata Purple-Stemmed Tickseed Asteraceae Aster Herb Yellow, Orange 000000139300 many 1 wetland Alternate, Opposite N
Bidens discoidea Swamp Beggar's Ticks Asteraceae Aster Herb Yellow 000000049400 many 1 wetland Alternate, Opposite N
Bidens frondosa Common Beggar-Ticks Asteraceae Aster Herb Yellow 000000159200 many 2 wetland N
Bidens polylepis Long-Bracted Tickseed Sunflower Asteraceae Aster Herb Yellow, Orange 000000059200 many 4 wetland Opposite N
Bidens vulgata Tall Beggar's Ticks Asteraceae Aster Herb Yellow 000000169200 many 2 wetland Opposite
Blephilia ciliata Downy Wood Mint Lamiaceae Mint Herb White, Pink, Violet 000069410000 two 2 prairie Opposite N
Blephilia hirsuta Hairy Wood Mint Lamiaceae Mint Herb White, Violet 000025741100 two 2 woodland Opposite N
Boechera canadensis Sicklepod Brassicaceae Mustard Herb White 000194300000 four 1 savanna Alternate N
Boechera dentata Toothed Rock Cress Brassicaceae Mustard Herb White 000960100000 four 1 woodland Basal N
Boechera laevigata Smooth Rock Cress Brassicaceae Mustard Herb White 001863200000 four 1 woodland Basal N
Boehmeria cylindrica cylindrica False Nettle Urticaceae Nettle Herb White 000001575200 1 woodland Opposite N
Boltonia asteroides recognita False Aster Asteraceae Aster Herb White 000000148610 many 2 wetland Alternate N
Borago officinalis Borage Boraginaceae Borage Herb Blue, White1, Pink1 012422422200 five 2 weeds Alternate X
Brassica nigra Black Mustard Brassicaceae Mustard Herb Yellow 002343321100 four 2 weeds Alternate X
Brassica rapa Rape Mustard Brassicaceae Mustard Herb Yellow 113233321100 four 2 weeds Basal X
Brickellia eupatorioides False Boneset Asteraceae Aster Herb White 000011258300 many 2 prairie Alternate N
Buglossoides arvense
See: Buglossoides arvensis
Corn Gromwell
Buglossoides arvensis Corn Gromwell Boraginaceae Borage Herb White 012882000000 five 1 weeds Alternate X
Cakile edentula lacustris Sea Rocket Brassicaceae Mustard Herb White, Violet 000112762100 four 1 prairie Alternate N
Callirhoe digitata Fringed Poppy Mallow Malvaceae Mallow Herb Red 000258411000 five 3 prairie Alternate, Basal X
Callirhoe involucrata Purple Poppy Mallow Malvaceae Mallow Herb Pink, Red 001545310000 five 3 prairie Alternate X
Callitriche terrestris Terrestrial Starwort Plantaginaceae Plantain Herb 000286200000 woodland Opposite N
Caltha palustris Marsh Marigold Ranunculaceae Buttercup Herb Yellow 000394210000 five, many 3 wetland Alternate, Basal N
Calystegia sepium Hedge Bindweed Convolvulaceae Morning Glory Vine White, Pink1 000013952000 five 3 savanna Alternate N
Calystegia spithamaea Erect Bindweed Convolvulaceae Morning Glory Herb White 000019510000 five 3 prairie Alternate N
Camassia angusta Prairie Hyacinth Asparagaceae Lily Herb Blue, White1 000578000000 six 4 prairie Basal N
Camassia scilloides Wild Hyacinth Asparagaceae Lily Herb White2, Blue, Violet2 000892000000 six 4 prairie Basal N
Campanula americana
See: Campanulastrum americanum
American Bellflower
Campanula rapunculoides Creeping Bellflower Campanulaceae Bellflower Herb Blue, Violet 000002952100 five 4 weeds Alternate X
Campanula rotundifolia Harebell Campanulaceae Bellflower Herb Blue, Violet 000003971000 five 4 prairie Basal N
Campanulastrum americanum American Bellflower Campanulaceae Bellflower Herb Blue, Violet1 000001952100 five 4 woodland Alternate N
Cannabis sativa Hemp Cannabaceae Hemp Herb Green 000012365200 five weeds Alternate, Opposite X
Capsella bursa-pastoris Shepherd's Purse Brassicaceae Mustard Herb White 012344311000 four 1 weeds Basal X
Cardamine bulbosa Spring Cress Brassicaceae Mustard Herb White 002493000000 four 3 woodland Alternate, Basal N
Cardamine concatenata
See: Dentaria laciniata
Cutleaf Toothwort
Cardamine douglassii Purple Cress Brassicaceae Mustard Herb Violet, White1 001991000000 four 3 woodland Alternate, Basal N
Cardamine hirsuta Hairy Bitter Cress Brassicaceae Mustard Herb White 027630000000 four 1 weeds Alternate, Basal X
Cardamine parviflora arenicola Small-Flowered Bitter Cress Brassicaceae Mustard Herb White 002773100000 four 1 weeds Alternate N
Cardamine pensylvanica Pennsylvania Bitter Cress Brassicaceae Mustard Herb White 001156421000 four 1 woodland Alternate, Basal N
Carduus nutans Nodding Thistle Asteraceae Aster Herb Pink, Red 000114851000 many 3 weeds Basal X
Carthamus tinctorius Safflower Asteraceae Aster Herb Yellow, Orange 001233442100 many 3 weeds Alternate X
Caulophyllum thalictroides Blue Cohosh Berberidaceae Barberry Herb Green, Brown, Violet 000383221000 six 1 woodland N
Ceanothus americanus New Jersey Tea Rhamnaceae Buckthorn Shrub White 000025831000 prairie Alternate, Opposite N
Centaurea biebersteinii Spotted Knapweed Asteraceae Aster Herb Violet, White1, Pink 000001783100 many 3 weeds Alternate, Basal X
Centaurea maculosa
See: Centaurea biebersteinii
Spotted Knapweed
Centaurea stoebe micranthos
See: Centaurea biebersteinii
Spotted Knapweed
Centaurium pulchellum Branching Centaury Gentianaceae Gentian Herb Pink 000111853100 five 2 weeds Opposite X
Cerastium dubium Three-Styled Chickweed Caryophyllaceae Pink Herb White 000970000000 five 1 weeds Opposite X
Cerastium fontanum Common Mouse-Eared Chickweed Caryophyllaceae Pink Herb White 000136631000 five 1 weeds Opposite X
Cerastium glomeratum Glomerate Mouse-Eared Chickweed Caryophyllaceae Pink Herb White 014851000000 five 1 weeds Opposite X
Cerastium nutans Nodding Chickweed Caryophyllaceae Pink Herb White 000254431000 five 1 weeds Opposite N
Cerastium pumilum Small Mouse-Eared Chickweed Caryophyllaceae Pink Herb White 000891001000 five 1 weeds Opposite X
Ceratophyllum demersum Coontail Ceratophyllaceae Hornwort Water 000013553100 wetland Whorled N
Chaenorhinum minus Dwarf Snapdragon Plantaginaceae Plantain Herb White, Violet 000015633100 five 2 weeds Alternate, Opposite X
Chaerophyllum procumbens Wild Chervil Apiaceae Carrot Herb White 000990000000 five 2 savanna Alternate N
Chaiturus marrubiastrum False Motherwort Lamiaceae Mint Herb Pink, White 000001476200 four 2 weeds Opposite X
Chamaecrista fasciculata Partridge Pea Fabaceae Bean Herb Yellow 000001574100 five 3 prairie Alternate N
Chamaemelum nobile Roman Chamomile Asteraceae Aster Herb White 002410833001 many 3 weeds Alternate X
Chamaesyce maculata Prostrate Spurge Euphorbiaceae Spurge Herb White 000012365200 four weeds Opposite N
Chamaesyce nutans Nodding Spurge Euphorbiaceae Spurge Herb White, Blue 000001267210 four weeds Opposite N
Chamaesyce polygonifolia Seaside Spurge Euphorbiaceae Spurge Herb Green 000000278200 four prairie Opposite N
Chamaesyce prostrata Green Creeping Spurge Euphorbiaceae Spurge Herb Green 000012355310 four weeds Opposite X
Chamaesyce supina
See: Chamaesyce maculata
Prostrate Spurge
Chamerion angustifolium Fireweed Onagraceae Evening Primrose Herb Blue1, Pink 000001891000 four 4 prairie N
Chelidonium majus Greater Celandine Papaveraceae Poppy Herb Yellow 000076321000 four 3 weeds Alternate, Basal X
Chelone glabra linifolia White Turtlehead Plantaginaceae Plantain Herb White 000000197200 two 2 wetland Opposite N
Chelone obliqua speciosa Pink Turtlehead Plantaginaceae Plantain Herb Pink 000011039600 two 2 wetland Opposite N
Chenopodium album Lamb's Quarters Amaranthaceae Amaranth Herb Green 000012465200 weeds Alternate N, X
Chenopodium ambrosioides Mexican Tea Amaranthaceae Amaranth Herb Green 000011235421 weeds Alternate X
Chenopodium glaucum Oak-leaved Goosefoot Amaranthaceae Amaranth Herb Green 000002485100 weeds Alternate X
Chenopodium pratericola Narrow-Leaved Goosefoot Amaranthaceae Amaranth Herb Green 000013672100 weeds Alternate, Basal N
Chenopodium simplex Maple-Leaved Goosefoot Amaranthaceae Amaranth Herb Green 000002665100 woodland Alternate N
Chenopodium standleyanum Woodland Goosefoot Amaranthaceae Amaranth Herb White, Green 000000278300 savanna Alternate N
Chorispora tenella Blue Mustard Brassicaceae Mustard Herb Pink, Violet 002684000000 four 1 weeds Alternate X
Cichorium intybus Common Chicory Asteraceae Aster Herb Blue 000003654100 many 3 weeds Alternate X
Cicuta bulbifera Bulblet-Bearing Water Hemlock Apiaceae Carrot Herb White 000001395100 five 1 wetland N
Cicuta maculata Water Hemlock Apiaceae Carrot Herb White 000002962000 five 1 wetland N
Cimicifuga racemosa Black Cohosh Ranunculaceae Buttercup Herb White 000015831200 1 woodland N
Circaea lutetiana canadensis Enchanter's Nightshade Onagraceae Evening Primrose Herb White 000005931000 two 1 woodland Opposite N
Cirsium altissimum Tall Thistle Asteraceae Aster Herb Pink 000000189100 many 2 savanna Alternate N
Cirsium arvense Canada Thistle Asteraceae Aster Herb Pink, Violet 000001882000 many 2 weeds Alternate X
Cirsium discolor Pasture Thistle Asteraceae Aster Herb Pink, White1 000000279100 many 2 prairie Alternate, Basal N
Cirsium muticum Swamp Thistle Asteraceae Aster Herb Pink 000001594100 many 2 wetland Basal N
Cirsium vulgare Bull Thistle Asteraceae Aster Herb Pink, Violet 000001584100 many 2 weeds Alternate X
Claytonia virginica Spring Beauty Montiaceae Purslane Herb White, Pink 002880000000 five 3 woodland Opposite, Basal N
Clematis pitcheri Pitcher's Leather Flower Ranunculaceae Buttercup Vine Green, Pink, Blue, Violet 000136542000 four 3 savanna Opposite N
Clematis terniflora Autumn Clematis Ranunculaceae Buttercup Vine White 000000177310 four 3 weeds Opposite X
Clematis virginiana Virgin's Bower Ranunculaceae Buttercup Vine White 000011484200 four 3 savanna Opposite N
Cleome hassleriana Spider Flower Cleomaceae Caper Herb White1, Pink 000002346301 four 4 weeds X
Collinsia verna Blue-Eyed Mary Plantaginaceae Plantain Herb White, Blue 000990000000 four 1 woodland Opposite
Comandra umbellata Bastard Toadflax Santalaceae Sandalwood Herb White 000168310000 five 1 prairie Alternate N
Commelina communis Asiatic Dayflower Commelinaceae Dayflower Herb, Vine Blue 000002546200 two 3 weeds Alternate X
Commelina erecta Slender Dayflower Commelinaceae Dayflower Herb Blue 000012464200 two 3 prairie Alternate N
Comptonia peregrina Sweet Fern Myricaceae Bayberry Shrub Green, Brown 000144542100 savanna Alternate N
Conium maculatum Poison Hemlock Apiaceae Carrot Herb White 001246421000 five 2 weeds Alternate, Basal X
Conoclinium coelestinum Mistflower Asteraceae Aster Herb Blue, Violet, Pink 000001137610 many 3 wetland Opposite N,X
Conopholis americana Cancer Root Orobanchaceae Figwort Herb Yellow, White2 001355420000 3 woodland N
Consolida ajacis Rocket Larkspur Ranunculaceae Buttercup Herb Pink1, Blue 000128521100 five 4 weeds Alternate X
Convallaria majalis Lily-of-the-Valley Asparagaceae Lily Herb White 000395111000 six 2 weeds Basal X
Convolvulus arvensis Field Bindweed Convolvulaceae Morning Glory Vine White 000136531000 five 3 weeds Alternate X
Conyza canadensis Horseweed Asteraceae Aster Herb White, Yellow 000001375210 many weeds Alternate, Whorled N
Conyza ramosissima Dwarf Fleabane Asteraceae Aster Herb Brown, Green, White 000013654100 many weeds Alternate N
Coreopsis grandiflora Large-Flowered Coreopsis Asteraceae Aster Herb Yellow 000159311000 many 4 prairie Opposite X
Coreopsis lanceolata Sand Coreopsis Asteraceae Aster Herb Yellow 000465211000 many 4 prairie Basal N
Coreopsis palmata Prairie Coreopsis Asteraceae Aster Herb Yellow 000007832000 many 4 prairie Opposite N
Coreopsis tinctoria Plains Coreopsis Asteraceae Aster Herb Yellow2, Orange, Brown2 000014752100 many 4 prairie X
Coreopsis tripteris Tall Coreopsis Asteraceae Aster Herb Yellow 000000295100 many 4 prairie Alternate, Opposite N
Corispermum americanum American Bugseed Amaranthaceae Amaranth Herb Green 000010169300 prairie Alternate N
Corydalis curvisiliqua grandibracteata Large-Bracted Corydalis Papaveraceae Poppy Herb Yellow 006553100000 two 4 prairie Basal N
Corydalis micrantha micrantha Slender Corydalis Papaveraceae Poppy Herb Yellow 027831000000 two 3 woodland Basal N
Cosmos bipinnatus Common Cosmos Asteraceae Aster Herb Pink, White1 000011228500 many 4 weeds Opposite X
Cota tinctoria Yellow Chamomile Asteraceae Aster Herb Yellow 000013871100 many 4 weeds Alternate X
Crotalaria sagittalis Rattlebox Fabaceae Bean Herb Yellow 000002455200 pea 1 prairie Alternate N
Croton monanthogynus Prairie Tea Euphorbiaceae Spurge Herb White 000002565300 prairie Alternate, Opposite N
Cryptotaenia canadensis Honewort Apiaceae Carrot Herb White 000019631000 five 1 woodland N
Cuscuta cephalanthi Buttonbush Dodder Convolvulaceae Morning Glory Vine White 000000387100 four wetland Alternate N
Cuscuta pentagona Prairie Dodder Convolvulaceae Morning Glory Vine White 000012563200 five prairie N
Cuscuta polygonorum Smartweed Dodder Convolvulaceae Morning Glory Vine White 000001457200 five wetland Alternate
Cycloloma atriplicifolium Winged Pigweed Amaranthaceae Amaranth Herb Green 000012366200 five prairie Alternate N
Cyclospermum leptophyllum Fir-leaved Celery Apiaceae Carrot Herb White, Brown, Pink 012443221100 five weeds Alternate, Basal X
Cynanchum laeve
See: Ampelamus albidus
Bluevine
Cypripedium parviflorum pubescens
See: Cypripedium pubescens
Yellow Lady's Slipper
Cypripedium pubescens Yellow Lady's Slipper Orchidaceae Orchid Herb Yellow, Brown2, Green1 000049410000 six, five 5 woodland Alternate N
Dalea candida White Prairie Clover Fabaceae Bean Herb White 000004951000 2 prairie Alternate N
Dalea foliosa Leafy Prairie Clover Fabaceae Bean Herb Violet, Pink, White1 000000581100 2 prairie Alternate N
Dalea purpurea Purple Prairie Clover Fabaceae Bean Herb Violet, Blue 000014941000 3 prairie Alternate N
Dasiphora fruticosa Shrubby Cinquefoil Rosaceae Rose Shrub Yellow 000004971000 five 3 wetland Alternate N
Dasistoma macrophylla Mullein Foxglove Orobanchaceae Figwort Herb Yellow 000001951000 five 2 savanna Opposite N
Datura stramonium Jimsonweed Solanaceae Nightshade Herb White 000011355300 five 3 weeds Alternate X
Datura wrightii Angel's Trumpet Solanaceae Nightshade Herb White 001243223210 five 4 weeds Alternate X
Daucus carota Wild Carrot Apiaceae Carrot Herb White 000013653100 five 3 weeds Basal X
Decodon verticillatus Swamp Loosestrife Lythraceae Loosestrife Herb Pink, Violet 000000395100 five 2 wetland Opposite, Whorled
Delphinium carolinianum Wild Larkspur Ranunculaceae Buttercup Herb White, Blue 000179200000 five 4 prairie Alternate, Basal N
Delphinium tricorne Dwarf Larkspur Ranunculaceae Buttercup Herb Blue, Violet 000991000000 five 4 woodland Alternate, Basal N
Dentaria laciniata Cutleaf Toothwort Brassicaceae Mustard Herb White 002981000000 four 3 woodland Basal N
Descurainia pinnata brachycarpa Tansy Mustard Brassicaceae Mustard Herb Yellow 014554100000 four 1 weeds Alternate, Basal N,X
Descurainia sophia Flixweed Brassicaceae Mustard Herb Yellow 001356410000 four 1 weeds Basal X
Desmanthus illinoensis Illinois Bundleflower Fabaceae Bean Herb White 000003753100 four 2 prairie Alternate N
Desmodium canadense Showy Tick Trefoil Fabaceae Bean Herb Pink 000001792000 pea 2 prairie N
Desmodium cuspidatum Long-leaved Tick Trefoil Fabaceae Bean Herb Violet, Pink 000000297000 pea 2 savanna Alternate N
Desmodium glutinosum Pointed-Leaved Tick Trefoil Fabaceae Bean Herb Pink 000003952000 pea 2 woodland N
Desmodium illinoense Illinois Tick Trefoil Fabaceae Bean Herb Pink, Violet 000002952000 pea 2 prairie Alternate N
Desmodium nudiflorum Naked-Flowered Tick Trefoil Fabaceae Bean Herb Pink, Violet 000001693100 pea 2 woodland Whorled
Desmodium obtusum Obtuse-Leaved Tick Trefoil Fabaceae Bean Herb Pink 000000069400 pea 2 savanna Alternate N
Desmodium paniculatum Panicled Tick Trefoil Fabaceae Bean Herb Pink 000000169300 pea 2 savanna Alternate N
Desmodium perplexum Perplexing Tick Trefoil Fabaceae Bean Herb Pink 000001178200 pea 2 savanna Alternate N
Desmodium sessilifolium Sessile-Leaved Tick Trefoil Fabaceae Bean Herb Pink 000001367200 pea 2 prairie Alternate N
Dianthus armeria Deptford Pink Caryophyllaceae Pink Herb Pink 000017831000 five 3 weeds Opposite X
Dicentra canadensis Squirrel Corn Papaveraceae Poppy Herb White 001891000000 four 4 woodland Basal N
Dicentra cucullaria Dutchman's Breeches Papaveraceae Poppy Herb White 002971000000 four 4 woodland Basal N
Digitalis lanata Grecian Foxglove Plantaginaceae Plantain Herb White 000007900000 five 4 weeds Basal X
Diodella teres
See: Diodia teres
Rough Buttonweed
Diodia teres Rough Buttonweed Rubiaceae Madder Herb White, Pink, Violet 000001466200 four 1 prairie Opposite N
Dioscorea villosa Wild Yam Dioscoreaceae Yam Vine Green, Yellow 000136532100 six 2 savanna Alternate, Opposite, Whorled N
Dipsacus fullonum Teasel Dipsacaceae Teasel Herb Blue, Violet 001012762100 3 weeds Basal X
Dipsacus laciniatus Cut-Leaved Teasel Dipsacaceae Teasel Herb White 000001952100 3 weeds Basal X
Dodecatheon amethystinum Amethyst Shooting Star Primulaceae Primrose Herb Violet, Pink 000394100000 five 5 prairie Basal N
Dodecatheon meadia Shooting Star Primulaceae Primrose Herb White, Pink 001792000000 five 5 prairie N
Doellingeria umbellata Flat-Topped Aster Asteraceae Aster Herb White 000000395100 many 2 wetland Alternate N
Draba verna Early Whitlow Grass Brassicaceae Mustard Herb White 014951000000 four 1 weeds Basal X
Drymocallis arguta Prairie Cinquefoil Rosaceae Rose Herb White 000006940000 five 3 prairie Alternate N
Duchesnea indica Mock Strawberry Rosaceae Rose Herb Yellow 013632111110 five 3 weeds Basal X
Dysphania ambrosioides
See: Chenopodium ambrosioides
Mexican Tea
Echinacea pallida Pale Purple Coneflower Asteraceae Aster Herb Pink 000039520000 many 4 prairie N
Echinacea paradoxa paradoxa Ozark Coneflower Asteraceae Aster Herb Yellow 000048630000 many 4 prairie Alternate X
Echinacea purpurea Purple Coneflower Asteraceae Aster Herb Blue2, Pink 000003853100 many 4 prairie Alternate, Opposite N
Eclipta prostrata Yerba de Tajo Asteraceae Aster Herb White 001011236410 many 3 weeds Alternate N
Eichhornia crassipes Water Hyacinth Pontederiaceae Pickerelweed Water, herb Violet, White1 011122333410 six 3 weeds Basal X
Ellisia nyctelea Aunt Lucy Hydrophyllaceae Waterleaf Herb White, Blue 000188200000 five 2 woodland Alternate, Opposite N
Enemion biternatum False Rue Anemone Ranunculaceae Buttercup Herb White 001492000000 five 3 woodland Alternate, Basal N
Epifagus virginiana Beechdrops Orobanchaceae Figwort Herb Brown, White 001011038510 four 3 woodland N
Epilobium coloratum Cinnamon Willow Herb Onagraceae Evening Primrose Herb White, Pink 000000297200 four 1 wetland Alternate, Opposite N
Erechtites hieracifolia Pilewort Asteraceae Aster Herb White 000000178200 many weeds Alternate N
Erechtites hieraciifolius
See: Erechtites hieracifolia
Pilewort
Erigenia bulbosa Harbinger-of-Spring Apiaceae Carrot Herb White 008910000000 five 3 woodland Alternate N
Erigeron annuus Annual Fleabane Asteraceae Aster Herb White 000016632100 many 2 weeds N
Erigeron philadelphicus Philadelphia Fleabane Asteraceae Aster Herb White, Pink, Orange 001347410000 many 3 prairie Alternate, Basal N
Erigeron pulchellus Robin's Plantain Asteraceae Aster Herb White, Pink1, Violet1 001495000000 many 3 savanna Basal N
Erigeron strigosus Daisy Fleabane Asteraceae Aster Herb White 000126631000 many 2 prairie Alternate N
Erodium cicutarium Storksbill Geraniaceae Geranium Herb Pink 014552111000 five 2 weeds Basal X
Eruca vesicaria sativa Garden Rocket Brassicaceae Mustard Herb White, Yellow 128421101000 four 1 weeds Basal X
Eryngium yuccifolium Rattlesnake Master Apiaceae Carrot Herb White 000013842100 2 prairie Alternate N
Erysimum cheiranthoides Wormseed Mustard Brassicaceae Mustard Herb Yellow 000015841100 four 1 weeds Alternate X
Erysimum repandum Treacle Mustard Brassicaceae Mustard Herb Yellow 001594100000 four 1 weeds Alternate, Basal X
Erythronium albidum White Trout Lily Liliaceae Lily Herb White 002960000000 six 5 woodland Basal N
Erythronium americanum Yellow Trout Lily Liliaceae Lily Herb Yellow 001691000000 six 5 woodland Basal N
Euonymus obovatus Running Strawberry Bush Celastraceae Bittersweet Vine, Shrub Brown 000164224100 five 2 woodland Opposite N
Eupatorium altissimum Tall Boneset Asteraceae Aster Herb White 000000149300 many 1 prairie Opposite N
Eupatorium perfoliatum Common Boneset Asteraceae Aster Herb White 000000396200 many 1 prairie Opposite N
Eupatorium serotinum Late Boneset Asteraceae Aster Herb White 000000149510 many 1 prairie Opposite N
Euphorbia corollata Flowering Spurge Euphorbiaceae Spurge Herb White 000113653000 five 1 prairie Alternate N
Euphorbia cyathophora Wild Poinsettia Euphorbiaceae Spurge Herb Red, Pink, Orange 000011265310 1 weeds Alternate, Opposite N
Euphorbia cyparissias Cypress Spurge Euphorbiaceae Spurge Herb Green, Yellow 000176321000 1 weeds Alternate X
Euphorbia dentata
See: Poinsettia dentata
Toothed Spurge
Euphorbia marginata Snow-on-the-Mountain Euphorbiaceae Spurge Herb White 000001774100 five 2 weeds Alternate X
Euphorbia nutans
See: Chamaesyce nutans
Nodding Spurge
Euphorbia polygonifolia
See: Chamaesyce polygonifolia
Seaside Spurge
Euphorbia prostrata
See: Chamaesyce prostrata
Green Creeping Spurge
Euphorbia supina
See: Chamaesyce maculata
Prostrate Spurge
Eurybia macrophylla Big-Leaved Aster Asteraceae Aster Herb White, Violet 000000394100 many 3 woodland Basal N
Euthamia graminifolia Grass-Leaved Goldenrod Asteraceae Aster Herb Yellow 000000396100 many 3 prairie Alternate N
Euthamia gymnospermoides Plains Grass-Leaved Goldenrod Asteraceae Aster Herb Yellow 000000138810 many 2 prairie Alternate N
Eutrochium fistulosum Hollow Joe-Pye Weed Asteraceae Aster Herb Pink 000001693000 many 3 wetland Whorled N
Eutrochium maculatum Spotted Joe-Pye Weed Asteraceae Aster Herb Pink, Violet2 000000792000 many 3 wetland Whorled N
Eutrochium purpureum Sweet Joe-Pye Weed Asteraceae Aster Herb Pink 000002584100 many 3 savanna Whorled N
Fagopyrum esculentum Common Buckwheat Polygonaceae Knotweed Herb White 000014563000 five 2 weeds Alternate X
Fallopia convolvulus Black Bindweed Polygonaceae Knotweed Vine White 000002873000 five 1 weeds Alternate X
Fallopia japonica
See: Reynoutria japonica
Japanese Knotweed
Fallopia scandens Climbing Buckwheat Polygonaceae Knotweed Vine White 000000159200 five savanna Alternate N
Filipendula rubra Queen-of-the-Prairie Rosaceae Rose Herb Pink 000001941010 five 3 wetland Alternate N
Floerkea proserpinacoides False Mermaid Limnanthaceae Meadow Foam Herb White, Green 000168400000 three 1 woodland Alternate N
Fragaria vesca vesca European Woodland Strawberry Rosaceae Rose Herb White 000257410000 five 3 weeds Basal X
Fragaria virginiana Wild Strawberry Rosaceae Rose Herb White 000157520000 five 3 prairie Basal N
Frasera caroliniensis American Columbo Gentianaceae Gentian Herb White 000186121100 four 3 savanna Basal N
Froelichia floridana Large Cottonweed Amaranthaceae Amaranth Herb White 000001465300 1 prairie Opposite N
Galinsoga quadriradiata Peruvian Daisy Asteraceae Aster Herb White 000001456300 five 1 weeds Opposite X
Galium aparine Cleavers Rubiaceae Madder Herb White 001465210000 four 1 weeds Whorled N
Galium circaezans Wild Licorice Rubiaceae Madder Herb White, Yellow 000038621000 four 1 woodland Whorled N
Galium concinnum Shining Bedstraw Rubiaceae Madder Herb White 000029621000 four 1 woodland Whorled N
Galium mollugo Hedge Bedstraw Rubiaceae Madder Herb White 000017732100 four 1 weeds Whorled X
Galium obtusum Wild Madder Rubiaceae Madder Herb White 000156511000 four 1 prairie Whorled N
Galium tinctorium Stiff Bedstraw Rubiaceae Madder Herb White 000124642000 three 1 wetland Whorled N
Galium triflorum Sweet-Scented Bedstraw Rubiaceae Madder Herb White 000014851000 four 1 woodland Whorled N
Gaura biennis Biennial Gaura Onagraceae Evening Primrose Herb White, Pink 000000296100 four 3 prairie Alternate N
Gaura parviflora Small-Flowered Gaura Onagraceae Evening Primrose Herb Pink, White 001124552100 four 1 weeds Alternate N
Gaylussacia baccata Black Huckleberry Ericaceae Heath Shrub Red 000055442000 five savanna Alternate N
Gentiana alba Cream Gentian Gentianaceae Gentian Herb White 000000059300 five 4 savanna Opposite N
Gentiana andrewsii Bottle Gentian Gentianaceae Gentian Herb Blue, Violet 000000139300 five 5 prairie Opposite, Whorled N
Gentiana puberulenta Prairie Gentian Gentianaceae Gentian Herb Blue 000000019700 five 6 prairie N
Gentiana saponaria Soapwort Gentian Gentianaceae Gentian Herb Blue 000000003960 five 5 prairie Opposite N
Gentiana × pallidocyanea Hybrid Bottle Gentian Gentianaceae Gentian Herb White, Blue 000000039300 five 5 prairie Opposite N
Gentianella quinquefolia Stiff Gentian Gentianaceae Gentian Herb Blue, Violet 000000019810 five 5 savanna Opposite N
Gentianopsis crinita Fringed Gentian Gentianaceae Gentian Herb Blue 000000029400 four 5 wetland Opposite N
Geranium bicknellii Northern Cranesbill Geraniaceae Geranium Herb Pink 000027731000 five 2 savanna Alternate, Opposite N
Geranium carolinianum Carolina Cranesbill Geraniaceae Geranium Herb White, Pink 002564200000 five 2 weeds Opposite N
Geranium maculatum Wild Geranium Geraniaceae Geranium Herb Violet 000494100000 five 2 woodland Opposite, Basal N
Geranium sibiricum Siberian Cranesbill Geraniaceae Geranium Herb White, Pink 000102466300 five 2 weeds Opposite X
Geum canadense White Avens Rosaceae Rose Herb White 000016921000 five 3 savanna Alternate, Basal N
Geum laciniatum Rough Avens Rosaceae Rose Herb White 000017831000 five 3 savanna Alternate, Basal N
Geum rivale Water Avens Rosaceae Rose Herb Red, Brown 000029720000 five 3 wetland Alternate N
Geum triflorum Prairie Smoke Rosaceae Rose Herb Red 000049510000 five 5 prairie Basal N
Geum vernum Spring Avens Rosaceae Rose Herb Yellow, Green 000692000000 five 1 woodland Alternate, Basal N
Glandularia canadensis Rose Vervain Verbenaceae Vervain Herb Pink, Violet 003931110000 five 3 prairie Opposite N,X
Glechoma hederacea Ground Ivy Lamiaceae Mint Herb Blue, Violet 000494110000 2 weeds X
Goodyera pubescens Downy Rattlesnake-Plantain Orchidaceae Orchid Herb White 001122463100 three, six 2 woodland Basal N
Gratiola neglecta Clammy Hedge Hyssop Plantaginaceae Plantain Herb White 000124642100 four, five 1 wetland Opposite N
Gymnadeniopsis clavellata
See: Platanthera clavellata
Club-Spur Orchid
Hackelia virginiana Stickseed Boraginaceae Borage Herb White, Blue2 000001972100 five woodland Basal N
Hedeoma pulegioides American Pennyroyal Lamiaceae Mint Herb White, Violet 000000295100 woodland Opposite N
Helenium amarum Bitterweed Asteraceae Aster Herb Yellow 000113444310 many 3 prairie Alternate
Helenium autumnale Common Sneezeweed Asteraceae Aster Herb Yellow 000000278200 many 4 wetland Alternate N
Helenium flexuosum Purple-Headed Sneezeweed Asteraceae Aster Herb Yellow 000035631100 many 4 prairie Alternate N
Helianthus annuus Annual Sunflower Asteraceae Aster Herb Yellow 000012564100 many 4 prairie Alternate N
Helianthus decapetalus Ten-Petal Sunflower Asteraceae Aster Herb Yellow 000000397100 many 4 savanna Alternate, Opposite N
Helianthus divaricatus Woodland Sunflower Asteraceae Aster Herb Yellow 000001774100 many 4 savanna Opposite N
Helianthus giganteus Giant Sunflower Asteraceae Aster Herb Yellow 000000298100 many 5 wetland Alternate N
Helianthus grosseserratus Sawtooth Sunflower Asteraceae Aster Herb Yellow 000000259200 many 4 prairie N
Helianthus hirsutus Hairy Sunflower Asteraceae Aster Herb Yellow 000001574100 many 4 savanna Opposite N
Helianthus maximiliani Maximilian's Sunflower Asteraceae Aster Herb Yellow 000000386300 many 4 prairie Alternate, Opposite X
Helianthus mollis Downy Sunflower Asteraceae Aster Herb Yellow 000000595100 many 4 prairie Opposite N
Helianthus occidentalis Western Sunflower Asteraceae Aster Herb Yellow 000000495100 many 4 prairie Basal N
Helianthus pauciflorus Prairie Sunflower Asteraceae Aster Herb Yellow 000000593100 many 4 prairie Alternate, Opposite N
Helianthus tuberosus Jerusalem Artichoke Asteraceae Aster Herb Yellow 000000149200 many 4 prairie Alternate, Opposite N,X
Helianthus × luxurians Luxuriant Sunflower Asteraceae Aster Herb Yellow 000000288200 many 4 prairie Alternate, Opposite N
Heliopsis helianthoides False Sunflower Asteraceae Aster Herb Yellow 000013852100 many 4 prairie Opposite N
Hemerocallis fulva Orange Day Lily Xanthorrhoeaceae Lily Herb Orange 000018910000 six 5 weeds Basal X
Hepatica nobilis acuta Sharp-Lobed Hepatica Ranunculaceae Buttercup Herb White, Pink2, Blue2 003562111000 five, many 3 woodland Basal N
Hesperis matronalis Dame's Rocket Brassicaceae Mustard Herb White1, Blue, Pink, Violet 000059310000 four 4 weeds Alternate X
Heuchera americana hirsuticaulis Woodland Alumroot Saxifragaceae Saxifrage Herb Green 000395200000 five 1 woodland Basal N
Heuchera richardsonii affinis Prairie Alumroot Saxifragaceae Saxifrage Herb Green 000059510000 five 1 prairie Basal N
Hibiscus laevis Halberd-Leaved Rose Mallow Malvaceae Mallow Herb Pink, White1 000001574200 five 3 wetland Alternate N
Hibiscus moscheutos Swamp Rose Mallow Malvaceae Mallow Herb White, Pink 000002574100 five 3 wetland Alternate N
Hibiscus trionum Flower-of-an-Hour Malvaceae Mallow Vine White 000001357200 five 3 weeds Alternate X
Hieracium caespitosum Field Hawkweed Asteraceae Aster Herb Yellow 000029511000 many 1 weeds Basal X
Hieracium gronovii Gronovius' Hawkweed Asteraceae Aster Herb Yellow 000011277200 many 1 prairie Basal N
Hieracium piloselloides Glaucous King Devil Asteraceae Aster Herb Yellow 000019521000 many 1 weeds Basal X
Hieracium scabrum Rough Hawkweed Asteraceae Aster Herb Yellow 000000296100 many 1 savanna Alternate N
Hieracium umbellatum Northern Hawkweed Asteraceae Aster Herb Yellow 000000692000 many 1 savanna Alternate N
Holosteum umbellatum Jagged Chickweed Caryophyllaceae Pink Herb White 003951000000 five 1 weeds Opposite, Basal X
Houstonia caerulea Quaker Ladies Rubiaceae Madder Herb Blue, Violet 002683100000 four 2 prairie Opposite, Basal N
Houstonia lanceolata Lance-Leaved Bluets Rubiaceae Madder Herb White, Violet 000277111000 four 2 prairie Opposite N
Houstonia longifolia Long-Leaved Bluets Rubiaceae Madder Herb White, Pink 000038521000 four 2 prairie Opposite, Basal N
Houstonia purpurea calycosa
See: Houstonia lanceolata
Lance-Leaved Bluets
Humulus japonicus Japanese Hops Cannabaceae Hemp Vine Green, Pink 000000267300 five 1 weeds Opposite X
Humulus lupulus American Hops Cannabaceae Hemp Vine Yellow, Green 000011584100 five savanna Opposite N
Hybanthus concolor Green Violet Violaceae Violet Herb Green 000672210100 five woodland Alternate N
Hydrangea arborescens Wild Hydrangea Hydrangeaceae Hydrangea Shrub White 000126532100 three, four 3 woodland Opposite N
Hydrastis canadensis Goldenseal Ranunculaceae Buttercup Herb White 000573311000 1 woodland Basal N
Hydrocotyle ranunculoides Water Pennywort Araliaceae Ginseng Herb White 001244322210 five wetland Basal N
Hydrophyllum appendiculatum Great Waterleaf Hydrophyllaceae Waterleaf Herb Violet 000295100000 five 3 woodland Alternate N
Hydrophyllum virginianum Virginia Waterleaf Hydrophyllaceae Waterleaf Herb White, Pink3, Violet3 000098110000 five 3 woodland Alternate N
Hypericum ascyron Giant St. John's Wort Hypericaceae St. John's Wort Herb Yellow 000010982000 five 3 wetland Opposite N
Hypericum gymnanthum Clasping-Leaved St. John's Wort Hypericaceae St. John's Wort Herb Yellow 000027721000 five 2 wetland Opposite N
Hypericum mutilum Dwarf St. John's Wort Hypericaceae St. John's Wort Herb Yellow 000001574200 five 2 wetland Opposite N
Hypericum perforatum Common St. John's Wort Hypericaceae St. John's Wort Herb Yellow 000015942100 five 3 weeds Opposite X
Hypericum prolificum Shrubby St. John's Wort Hypericaceae St. John's Wort Herb Yellow 000012842200 five 3 prairie Opposite N
Hypericum punctatum Spotted St. John's Wort Hypericaceae St. John's Wort Herb Yellow 000003952000 five 2 prairie Opposite N
Hypericum sphaerocarpum Round-Fruited St. John's Wort Hypericaceae St. John's Wort Herb, Shrub Yellow 000006831100 five 3 prairie Opposite N
Hypochaeris radicata Rough Cat's Ear Asteraceae Aster Herb Yellow 000245422100 many 2 weeds Basal X
Hypoxis hirsuta Yellow Star Grass Hypoxidaceae Lily Herb Yellow 000495110000 six 4 prairie Basal N
Iliamna remota Kankakee Mallow Malvaceae Mallow Herb White, Pink 000001970000 five 3 savanna Alternate N
Impatiens capensis Orange Jewelweed Balsaminaceae Touch-Me-Not Herb Orange 000001495100 4 wetland Alternate N
Iodanthus pinnatifidus Purple Rocket Brassicaceae Mustard Herb White, Violet 000097211100 four 3 woodland Alternate, Basal N
Ionactis linariifolia
See: Ionactis linariifolius
Flax-Leaved Aster
Ionactis linariifolius Flax-Leaved Aster Asteraceae Aster Herb Blue, Violet 000000026910 many 4 savanna Alternate, Whorled N
Ipomoea hederacea Ivy-Leaved Morning Glory Convolvulaceae Morning Glory Vine Blue, Violet 000001168410 five 3 weeds Alternate X
Ipomoea lacunosa Small White Morning Glory Convolvulaceae Morning Glory Vine White 000000159400 five 3 prairie Alternate N
Ipomoea pandurata Wild Sweet Potato Convolvulaceae Morning Glory Vine White 000015761000 five 3 savanna Alternate N
Ipomoea purpurea Common Morning Glory Convolvulaceae Morning Glory Vine White, Blue, Violet, Pink 000001158310 five 3 weeds X
Iris domestica
See: Belamcanda chinensis
Blackberry Lily
Iris fulva Copper Iris Iridaceae Iris Herb Red, Brown2, Orange2 002960010100 three, six 5 wetland Basal N
Iris pseudacorus Yellow Iris Iridaceae Iris Herb Yellow 000148221000 three, six 5 weeds, wetland Basal X
Iris virginica shrevei Blue Flag Iris Iridaceae Iris Herb Blue, Violet 000348311000 three, six 5 wetland Basal N
Juniperus horizontalis Creeping Juniper Cupressaceae Cypress Shrub 000025641100 prairie N
Justicia americana Water Willow Acanthaceae Acanthus Water, herb White 000026632000 four 2 wetland Opposite N
Kochia scoparia Kochia Amaranthaceae Amaranth Herb Yellow, Green 000001385200 five 1 weeds Alternate X
Krigia biflora Two-Flowered Cynthia Asteraceae Aster Herb Yellow 000395210000 many 2 savanna Basal N
Krigia virginica Dwarf Dandelion Asteraceae Aster Herb Yellow 001565200000 many 1 prairie Basal N
Kummerowia striata Japanese Bush Clover Fabaceae Bean Herb Pink 000001249300 pea 1 weeds Alternate X
Lactuca canadensis Wild Lettuce Asteraceae Aster Herb Yellow 000002772100 many 1 prairie Alternate N
Lactuca hirsuta sanguinea Red-Flowered Wild Lettuce Asteraceae Aster Herb Orange, Red 000013652100 many 2 savanna Alternate N
Lactuca serriola Prickly Lettuce Asteraceae Aster Herb White, Yellow 000011583100 many 1 weeds Alternate X
Lamium amplexicaule Henbit Lamiaceae Mint Herb Pink, Blue1 025731000000 3 weeds Opposite X
Lamium purpureum Purple Dead Nettle Lamiaceae Mint Herb Pink, Violet2 003940000000 3 weeds Opposite X
Laportea canadensis Wood Nettle Urticaceae Nettle Herb Green 000002664100 1 woodland Alternate, Opposite N
Lapsana communis Nipplewort Asteraceae Aster Herb Yellow 000014842100 many 1 weeds Alternate X
Lathyrus hirsutus Singletary Pea Fabaceae Bean Herb White, Pink, Violet 001387100000 pea 1 weeds Alternate X
Lathyrus latifolius Everlasting Pea Fabaceae Bean Vine Pink 000025642100 pea 2 weeds X
Lathyrus ochroleucus Pale Vetchling Fabaceae Bean Herb White, Yellow 000059410000 pea 2 savanna Alternate N
Lathyrus palustris Marsh Pea Fabaceae Bean Vine White, Pink, Violet 000015941000 pea 2 wetland Alternate N
Lechea minor Small Pinweed Cistaceae Rock Rose Herb Brown, Red 000000286300 five 1 savanna N
Lemna minor Common Duckweed Araceae Arum Water Green 000124543100 wetland N
Leonurus cardiaca Motherwort Lamiaceae Mint Herb Pink, Red 000015732100 1 weeds Opposite X
Leonurus marrubiastrum
See: Chaiturus marrubiastrum
False Motherwort
Lepidium campestre Field Peppergrass Brassicaceae Mustard Herb White 000178310000 four 1 weeds Basal X
Lepidium densiflorum Green-Flowered Peppergrass Brassicaceae Mustard Herb White 000138521000 four 1 weeds Basal X
Lepidium virginicum Common Peppergrass Brassicaceae Mustard Herb White 002344421000 four 1 weeds N
Lespedeza capitata Round-Headed Bush Clover Fabaceae Bean Herb White 000000278300 pea 1 prairie Alternate N
Lespedeza cuneata Silky Bush Clover Fabaceae Bean Herb White 000011258310 pea 1 weeds Alternate X
Lespedeza frutescens Violet Bush Clover Fabaceae Bean Herb Pink 000000169200 pea 2 savanna Alternate N
Lespedeza hirta Hairy Bush Clover Fabaceae Bean Herb White, Brown 000000159410 pea 2 savanna Alternate N
Lespedeza virginica Slender Bush Clover Fabaceae Bean Herb Pink 000000169300 pea 1 savanna Alternate N
Leucanthemum vulgare Ox-Eye Daisy Asteraceae Aster Herb White 000127631000 many 3 weeds Alternate, Basal X
Leucospora multifida Obe-Wan-Conobea Plantaginaceae Plantain Herb White, Violet 000001656200 five 1 wetland Opposite N
Liatris aspera Rough Blazingstar Asteraceae Aster Herb Pink, Violet 000000188200 many 3 prairie Alternate N
Liatris cylindracea Cylindrical Blazingstar Asteraceae Aster Herb Pink, Violet 000000495200 many 3 prairie Whorled N
Liatris pycnostachya Prairie Blazingstar Asteraceae Aster Herb Pink, Violet 000001783100 many 3 prairie N
Liatris scariosa nieuwlandii Savanna Blazingstar Asteraceae Aster Herb Pink 000000079200 3 savanna Alternate N
Liatris spicata Marsh Blazingstar Asteraceae Aster Herb Violet, Pink, White1 000000484300 many 3 wetland Alternate, Whorled N
Liatris squarrosa Scaly Blazingstar Asteraceae Aster Herb Pink 000001863200 many 2 prairie Alternate, Whorled N
Lilium canadense Canada Lily Liliaceae Lily Herb Yellow, Red, Orange 000002921000 six 5 savanna Alternate N
Lilium lancifolium Tiger Lily Liliaceae Lily Herb Orange, Red 000001981000 six 5 weeds Alternate X
Lilium michiganense Michigan Lily Liliaceae Lily Herb Red, Orange 000004911000 six 5 prairie Whorled N
Lilium superbum Turkcap's Lily Liliaceae Lily Herb Orange 000011971000 six 5 savanna Whorled N
Limnobium spongia Sponge Plant Hydrocharitaceae Frog's Bit Herb Yellow, Green 010121333410 three 1 wetland Basal N
Linaria vulgaris Butter-and-Eggs Plantaginaceae Plantain Herb Yellow, Orange2 000003664100 two 3 weeds Alternate X
Lindernia dubia False Pimpernel Linderniaceae Figwort Herb White, Violet 000001565200 five 1 wetland Opposite N
Linum lewisii
See: Linum perenne lewisii
Wild Blue Flax
Linum perenne lewisii Wild Blue Flax Linaceae Flax Herb Blue 000137630000 five 3 weeds Whorled X
Liparis liliifolia Purple Twayblade Orchidaceae Orchid Herb Pink, Violet 000037433000 six 2 savanna Basal N
Lithospermum arvense
See: Buglossoides arvensis
Corn Gromwell
Lithospermum canescens Hoary Puccoon Boraginaceae Borage Herb Yellow, Orange 000494100000 five 3 prairie Alternate N
Lithospermum caroliniense Hairy Puccoon Boraginaceae Borage Herb Yellow, Orange 001663210000 five 3 prairie Alternate N
Lithospermum incisum Fringed Puccoon Boraginaceae Borage Herb Yellow 001287210000 five 2 prairie Alternate N
Lithospermum latifolium American Gromwell Boraginaceae Borage Herb Yellow 000176312100 five 1 woodland Alternate N
Lobelia cardinalis Cardinal Plant Campanulaceae Bellflower Herb Red 000000296200 five 5 wetland Alternate N
Lobelia inflata Indian Tobacco Campanulaceae Bellflower Herb Blue, Violet, White 000000584200 five 3 savanna Alternate N
Lobelia kalmii Kalm's Lobelia Campanulaceae Bellflower Herb Blue, White2 000000793000 five 3 wetland Alternate N
Lobelia siphilitica Great Blue Lobelia Campanulaceae Bellflower Herb Blue, Violet 000000079200 five 4 wetland Alternate N
Lobelia spicata Pale-Spiked Lobelia Campanulaceae Bellflower Herb White, Blue 000017920000 five 3 prairie Alternate N
Lonicera japonica Japanese Honeysuckle Caprifoliaceae Honeysuckle Vine White, Yellow 000244212210 five 3 weeds Opposite X
Lonicera sempervirens Trumpet Honeysuckle Caprifoliaceae Honeysuckle Vine Orange, Red 001852211000 five 3 weeds Opposite X
Lotus corniculatus Birdsfoot Trefoil Fabaceae Bean Herb Yellow 000026641000 pea 3 weeds Alternate X
Ludwigia alternifolia Seedbox Onagraceae Evening Primrose Herb Yellow 000001774100 four 3 wetland Alternate N
Ludwigia palustris Marsh Purslane Onagraceae Evening Primrose Herb Green, Brown 000012464200 four wetland N
Ludwigia peploides glabrescens Creeping Water Primrose Onagraceae Evening Primrose Herb Yellow 000123443210 five 1 wetland Alternate N
Lunaria annua Money Plant Brassicaceae Mustard Herb Pink, Violet, Blue 001782100000 four 4 weeds Alternate X
Lupinus perennis Wild Lupine Fabaceae Bean Herb Blue, Violet 001268210000 pea 4 prairie Alternate N
Lychnis chalcedonica
See: Silene chalcedonica
Maltese Cross
Lycopersicon esculentum Tomato Solanaceae Nightshade Herb Yellow 011111234311 five 1 weeds Alternate C
Lycopus americanus American Bugleweed Lamiaceae Mint Herb White 000001584100 four 1 wetland Opposite N
Lycopus europaeus Gypsywort Lamiaceae Mint Herb White 000001377100 four weeds Opposite X
Lycopus rubellus Stalked Water Horehound Lamiaceae Mint Herb White 000010147610 four, five 2 wetland Opposite N
Lycopus uniflorus Northern Bugleweed Lamiaceae Mint Herb White 000001494100 four, five wetland Opposite N
Lycopus virginicus Virginia Bugleweed Lamiaceae Mint Herb White 000000278300 four 2 wetland Opposite N
Lysimachia ciliata Fringed Loosestrife Primulaceae Primrose Herb Yellow 000003941000 five 3 wetland Opposite N
Lysimachia lanceolata Lance-Leaved Loosestrife Primulaceae Primrose Herb Yellow 000017731000 five 3 prairie Opposite N
Lysimachia nummularia Moneywort Primulaceae Primrose Vine, Herb Yellow 000026721100 five 3 weeds Opposite X
Lysimachia terrestris Swamp Candles Primulaceae Primrose Herb Yellow 000003953100 five 4 wetland Opposite N
Lysimachia thyrsiflora Tufted Loosestrife Primulaceae Primrose Herb Yellow 000029621000 1 wetland Opposite N
Lythrum alatum Winged Loosestrife Lythraceae Loosestrife Herb Violet 000004932000 six 3 wetland Alternate N
Lythrum salicaria Purple Loosestrife Lythraceae Loosestrife Herb Pink, Blue 000002882000 six 4 weeds, wetland Opposite, Whorled X
Maianthemum canadense interius Canada Mayflower Asparagaceae Lily Herb White 000058421000 four 3 woodland Alternate, Basal N
Maianthemum racemosum
See: Smilacina racemosa
False Solomon's Seal
Maianthemum stellatum
See: Smilacina stellata
Starry False Solomon's Seal
Malva alcea Vervain Mallow Malvaceae Mallow Herb White, Pink 000001962000 five 2 weeds Alternate X
Malva neglecta Common Mallow Malvaceae Mallow Vine, Herb White, Violet 000124443100 five 2 weeds Alternate X
Malva sylvestris High Mallow Malvaceae Mallow Herb Pink, Red5, Blue2 001224433200 five 3 weeds Alternate X
Manfreda virginica Eastern Agave Asparagaceae Lily Herb Green 000003952100 savanna Basal N
Matricaria chamomilla German Chamomile Asteraceae Aster Herb White 001245421000 many 2 weeds Alternate X
Matricaria discoidea Pineapple Weed Asteraceae Aster Herb Green, Yellow 001334431000 many 2 weeds X
Medeola virginiana Indian Cucumber-Root Liliaceae Lily Herb Green 000037432000 six 1 woodland N
Medicago lupulina Black Medic Fabaceae Bean Herb Yellow 000127531000 pea 1 weeds Alternate X
Medicago sativa Alfalfa Fabaceae Bean Herb Violet 000025742100 pea 1 weeds Alternate X
Melanthium woodii Wood's Bunchflower Liliaceae Lily Herb Red, Brown 000000288200 six 2 woodland Basal N
Melilotus alba White Sweet Clover Fabaceae Bean Herb White 000114642100 pea 1 weeds Alternate X
Melilotus albus
See: Melilotus alba
White Sweet Clover
Melilotus officinalis Yellow Sweet Clover Fabaceae Bean Herb Yellow 000027631000 pea 2 weeds Alternate X
Melissa officinalis Lemon Balm Lamiaceae Mint Herb White 000002772200 four 2 weeds Opposite X
Mentha arvensis Field Mint Lamiaceae Mint Herb White, Volet, Pink 000001793000 four 2 prairie Opposite N,X
Mentha spicata Spearmint Lamiaceae Mint Herb White, Pink 000001584100 four 2 weeds Opposite X
Mentha × gentilis Red Mint Lamiaceae Mint Herb White, Pink 000000776000 four 2 weeds Opposite X
Mertensia virginica Virginia Bluebells Boraginaceae Borage Herb Pink, Blue 001970000000 five 3 woodland Alternate N
Microthlaspi perfoliatum
See: Thlaspi perfoliatum
Perfoliate Pennycress
Mimulus alatus Winged Monkeyflower Phrymaceae Monkeyflower Herb Violet, Pink 000000593200 five 3 wetland Opposite N
Mimulus ringens Monkeyflower Phrymaceae Monkeyflower Herb Blue, Violet 000001972000 five 3 wetland Opposite N
Mirabilis nyctaginea Wild Four-O'Clock Nyctaginaceae Four-O'Clock Herb Pink 000027533100 five 4 prairie Opposite N
Mitchella repens Partridge Berry Rubiaceae Madder Vine White 000234422100 four 3 woodland Opposite N
Mitella diphylla Bishop's Cap Saxifragaceae Saxifrage Herb White 000294110000 five 2 woodland Opposite, Basal N
Moehringia lateriflora Grove Sandwort Caryophyllaceae Pink Herb White 000039620000 five 1 woodland Opposite N
Mollugo verticillata Carpetweed Molluginaceae Carpetweed Herb White 000001465200 five weeds Whorled X
Monarda bradburiana Bradbury's Bee Balm Lamiaceae Mint Herb White, Pink 000193210100 many 3 savanna Opposite N
Monarda citriodora Lemon Bee Balm Lamiaceae Mint Herb White2, Pink 000024354100 many 3 weeds Opposite N
Monarda didyma Bee Balm Lamiaceae Mint Herb Red 000001972000 many 5 weeds Opposite X
Monarda fistulosa Wild Bergamot Lamiaceae Mint Herb White1, Violet, Pink, Blue 000002961000 many 5 prairie Opposite N
Monarda punctata Spotted Bee Balm Lamiaceae Mint Herb White, Yellow 000012475100 many 3 prairie Opposite N
Monotropa uniflora Indian Pipe Ericaceae Heath Herb White 000001772100 four, five 3 woodland Alternate N
Myosotis scorpioides True Forget-Me-Not Boraginaceae Borage Herb Blue 000015732100 five 2 weeds Alternate X
Myosotis stricta Small-Flowered Forget-Me-Not Boraginaceae Borage Herb Blue 000294000000 five 2 weeds Alternate X
Myosotis verna Spring Scorpion Grass Boraginaceae Borage Herb White 001494100000 five 2 woodland Alternate N
Myosoton aquaticum Water Chickweed Caryophyllaceae Pink Herb White 000014473100 five 1 weeds Opposite X
Myosurus minimus Mousetail Ranunculaceae Buttercup Herb White, Green 002664100000 five 1 weeds Basal N
Myriophyllum spicatum Eurasian Water Milfoil Haloragaceae Water Milfoil Water Yellow, Brown 000013453200 wetland Whorled X
Najas gracillima Thread-Leaf Naiad Hydrocharitaceae Frog's Bit Water 000001485100 wetland N
Najas minor Brittle Naiad Hydrocharitaceae Frog's Bit Water 000001565200 wetland Whorled X
Napaea dioica Glade Mallow Malvaceae Mallow Herb White 000013942000 five 3 savanna Alternate N
Nelumbo lutea American Lotus Nelumbonaceae Lotus Water, herb Yellow, White 000003563100 many 5 wetland N
Nelumbo nucifera Sacred Lotus Nelumbonaceae Lotus Water, herb Pink 001162212411 many 5 wetland X
Nepeta cataria Catnip Lamiaceae Mint Herb White, Pink1, Blue1 000001863100 3 weeds Opposite X
Nicandra physalodes Shoofly Plant Solanaceae Nightshade Herb Blue, White2 000001356410 five 3 weeds Alternate X
Nigella damascena Love-in-a-Mist Ranunculaceae Buttercup Herb Blue 000129231100 five, many 4 weeds Alternate X
Nothocalais cuspidata Prairie Dandelion Asteraceae Aster Herb Yellow 000295000000 many 2 prairie Basal N
Nuphar advena Spatterdock Nymphaeaceae Water Lily Water, herb Yellow 000144541000 many 3 wetland N
Nuttallanthus canadensis Blue Toadflax Plantaginaceae Plantain Herb Blue, Violet2 004841110000 five 3 prairie N
Nymphaea odorata Fragrant Water Lily Nymphaeaceae Water Lily Water, herb White 000113662100 many 5 wetland N
Oenanthe javanica Water Celery Apiaceae Carrot Herb White 000027862000 five 2 weeds Alternate X
Oenothera biennis Common Evening Primrose Onagraceae Evening Primrose Herb Yellow 000001674100 four 4 prairie N
Oenothera clelandii Cleland's Evening Primrose Onagraceae Evening Primrose Herb Yellow 000001854100 four 3 prairie Alternate, Basal N
Oenothera curtiflora
See: Gaura parviflora
Small-Flowered Gaura
Oenothera gaura
See: Gaura biennis
Biennial Gaura
Oenothera laciniata Ragged Evening Primrose Onagraceae Evening Primrose Herb Yellow 002553211100 four 3 prairie Alternate N
Oenothera macrocarpa Missouri Evening Primrose Onagraceae Evening Primrose Herb Yellow 000078400100 four 4 prairie Alternate N
Oenothera perennis Small Sundrops Onagraceae Evening Primrose Herb Yellow 000008821000 four 3 prairie Alternate, Basal N
Oenothera pilosella Prairie Sundrops Onagraceae Evening Primrose Herb Yellow 000029510000 four 3 prairie Alternate N
Oenothera speciosa Showy Evening Primrose Onagraceae Evening Primrose Herb White, Pink 001763110000 four 4 prairie Alternate, Basal X
Oligoneuron rigidum Stiff Goldenrod Asteraceae Aster Herb Yellow 000000296100 many 2 prairie Alternate, Basal N
Onosmodium bejariense occidentale
See: Onosmodium molle occidentale
Western Marbleseed
Onosmodium molle occidentale Western Marbleseed Boraginaceae Borage Herb White 000126632100 five 2 prairie Alternate N
Opuntia fragilis Brittle Prickly Pear Cactaceae Cactus Herb Yellow 000127631000 many 1 prairie N
Opuntia humifusa Eastern Prickly Pear Cactaceae Cactus Herb Green, Yellow 001145322210 many 1 prairie N
Orbexilum onobrychis French Grass Fabaceae Bean Herb Blue, Violet, White2 000029710100 pea 2 prairie Alternate N
Orbexilum pedunculatum Sampson's Snakeroot Fabaceae Bean Herb Violet, White 000287200000 pea 2 prairie Alternate N
Ornithogalum umbellatum Star-of-Bethlehem Liliaceae Lily Herb White 001982000000 six 4 weeds Basal X
Orobanche uniflora One-Flowered Broomrape Orobanchaceae Figwort Herb White, Blue, Violet 001466210000 five 3 woodland N
Osmorhiza longistylis Aniseroot Apiaceae Carrot Herb White 000277310000 five 2 woodland Alternate N
Oxalis corniculata Creeping Wood Sorrel Oxalidaceae Wood Sorrel Herb Yellow 113332221110 five 1 weeds Alternate X
Oxalis fontana Yellow Wood Sorrel Oxalidaceae Wood Sorrel Herb Yellow 000222644000 five 2 weeds Alternate N
Oxalis stricta Yellow Wood Sorrel Oxalidaceae Wood Sorrel Herb Yellow 000124533100 five 2 weeds Alternate N
Oxalis violacea Violet Wood Sorrel Oxalidaceae Wood Sorrel Herb Violet 001681110000 five 2 prairie Basal N
Oxypolis rigidior Cowbane Apiaceae Carrot Herb White 000001286300 five 1 wetland Alternate N
Pachysandra terminalis Japanese Pachysandra Buxaceae Boxwood Herb White 012921000400 many 2 weeds Alternate X
Packera aurea Golden Ragwort Asteraceae Aster Herb Yellow 000256420000 many 3 woodland Basal N
Packera glabella Butterweed Asteraceae Aster Herb Yellow 014751000000 many 3 wetland Alternate N
Packera obovata Spoon-Leaved Ragwort Asteraceae Aster Herb Yellow 002961000000 many 3 savanna Basal N
Packera paupercula Balsam Ragwort Asteraceae Aster Herb Yellow 000046830000 many 3 prairie Basal N
Packera plattensis Prairie Ragwort Asteraceae Aster Herb Yellow 000297100000 many 3 prairie Basal N
Panax quinquefolius American Ginseng Araliaceae Ginseng Herb White, Green 000012554100 five 2 woodland N
Panax trifolius Dwarf Ginseng Araliaceae Ginseng Herb White 000293000000 five 2 woodland
Parietaria pensylvanica Pennsylvania Pellitory Urticaceae Nettle Herb Green 001235521000 woodland Alternate N
Parthenium integrifolium Wild Quinine Asteraceae Aster Herb White 000037532100 many 2 prairie Alternate, Basal N
Pastinaca sativa Wild Parsnip Apiaceae Carrot Herb Green, Yellow 000015841100 five 2 weeds Alternate X
Pedicularis canadensis Wood Betony Orobanchaceae Figwort Herb Yellow, Red1, Brown1 001485210000 3 prairie Alternate, Basal N
Pedicularis lanceolata Swamp Lousewort Orobanchaceae Figwort Herb White, Yellow 000001169200 3 wetland N
Peltandra virginica Arrow Arum Araceae Arum Water, herb Green, Yellow 000125432200 one, many 2 wetland Basal N
Penstemon calycosus Long-Sepal Penstemon Plantaginaceae Plantain Herb White, Pink 000079310000 five 4 savanna Opposite N
Penstemon digitalis Foxglove Penstemon Plantaginaceae Plantain Herb White 000049410000 five 4 prairie Opposite, Basal N
Penstemon grandiflorus Large-Flowered Penstemon Plantaginaceae Plantain Herb Blue, Pink 000029410000 five 4 prairie Basal N
Penstemon pallidus Pale Penstemon Plantaginaceae Plantain Herb White 000196100000 five 4 prairie Opposite N
Penstemon tubaeflorus Trumpet Penstemon Plantaginaceae Plantain Herb White, Pink1 000069101000 five 4 prairie Opposite N
Penthorum sedoides Ditch Stonecrop Penthoraceae Ditch Stonecrop Herb White 000000584200 five 1 wetland Alternate N
Perideridia americana Wild Dill Apiaceae Carrot Herb White 000079100000 five 2 prairie Alternate N
Perilla frutescens Beefsteak Plant Lamiaceae Mint Herb Violet 000000129600 four 2 weeds Opposite X
Persicaria arifolia
See: Tracaulon arifolium
Hastate-Leaved Tearthumb
Persicaria coccinea Scarlet Smartweed Polygonaceae Knotweed Herb Pink, Red3 000002783100 five 2 wetland Alternate N
Persicaria hydropiper Waterpepper Polygonaceae Knotweed Herb White 000001376200 five 1 weeds Alternate X
Persicaria hydropiperoides Mild Waterpepper Polygonaceae Knotweed Herb White 000012366210 five 1 wetland Alternate N
Persicaria lapathifolia Pale Smartweed Polygonaceae Knotweed Herb White, Pink 000001484200 five 2 wetland Alternate ?
Persicaria longiseta Creeping Smartweed Polygonaceae Knotweed Herb Pink 000002436400 five 2 weeds Alternate X
Persicaria maculosa Lady's Thumb Polygonaceae Knotweed Herb White3, Pink 000001484100 five 2 weeds Alternate X
Persicaria pensylvanica laevigata Pennsylvania Smartweed Polygonaceae Knotweed Herb White, Pink 000001367300 five 2 prairie Alternate N
Persicaria punctata Water Smartweed Polygonaceae Knotweed Herb White 000001266310 five 1 wetland Alternate N
Persicaria sagittata
See: Tracaulon sagittatum
Arrow-Leaved Tearthumb
Phacelia bipinnatifida Forest Phacelia Hydrophyllaceae Waterleaf Herb Blue, Violet 001981000000 five 3 woodland Alternate N
Phemeranthus calycinus Large-Flowered Rock Pink Montiaceae Purslane Herb Pink, Red2 000037631100 five 3 prairie N
Phlox bifida bifida Sand Phlox Polemoniaceae Phlox Herb White, Blue 001791000000 five 4 prairie Opposite N
Phlox divaricata divaricata Woodland Phlox Polemoniaceae Phlox Herb White, Pink, Violet 001971000000 five 3 woodland Opposite
Phlox divaricata laphamii Woodland Phlox Polemoniaceae Phlox Herb Blue, White2 001971000000 five 4 woodland Opposite N
Phlox glaberrima interior Smooth Phlox Polemoniaceae Phlox Herb Violet, Pink 000147521000 five 4 prairie Opposite N
Phlox maculata Speckled Phlox Polemoniaceae Phlox Herb White, Pink, Blue 000215551100 five 4 prairie Opposite N
Phlox paniculata Summer Phlox Polemoniaceae Phlox Herb White, Pink, Violet 000001674100 five 3 savanna Opposite N
Phlox pilosa Prairie Phlox Polemoniaceae Phlox Herb Pink, White2 001873100000 five 3 prairie Opposite N
Phlox subulata Moss Phlox Polemoniaceae Phlox Herb White, Pink, Violet 000593000000 five 3 weeds Opposite X
Phryma leptostachya Lopseed Phrymaceae Monkeyflower Herb White, Pink 000002952000 four woodland Opposite N
Physalis heterophylla Clammy Ground Cherry Solanaceae Nightshade Herb Yellow 000014743100 five 2 prairie Alternate N
Physalis longifolia subglabrata
See: Physalis subglabrata
Smooth Ground Cherry
Physalis subglabrata Smooth Ground Cherry Solanaceae Nightshade Herb Yellow 000002564200 five 2 prairie Alternate, Opposite N
Physostegia virginiana Obedient Plant Lamiaceae Mint Herb White, Pink, Violet 000000296100 four 3 prairie Opposite N
Phytolacca americana Pokeweed Phytolaccaceae Pokeweed Herb White, Pink 000013544300 five 2 weeds Alternate N
Pilea pumila Clearweed Urticaceae Nettle Herb Green, Yellow 000001277300 woodland Opposite N
Planodes virginica
See: Sibara virginica
Virginia Rock Cress
Plantago lanceolata English Plantain Plantaginaceae Plantain Herb White, Green, Brown 000145522000 1 weeds Basal X
Plantago major Common Plantain Plantaginaceae Plantain Herb Yellow, Green 000012663100 1 weeds Basal X
Plantago rugelii Black-Seeded Plantain Plantaginaceae Plantain Herb Green 000002754100 1 weeds Basal N
Plantago virginica Dwarf Plantain Plantaginaceae Plantain Herb Green, Brown 002773000000 1 weeds Basal N
Platanthera clavellata Club-Spur Orchid Orchidaceae Orchid Herb Green, White 000001972000 six 3 wetland Alternate N
Platanthera lacera Green-Fringed Orchid Orchidaceae Orchid Herb White, Green 000002951000 six 4 prairie Alternate N
Platanthera leucophaea Prairie White-Fringed Orchid Orchidaceae Orchid Herb White 000004920000 six 5 prairie Alternate N
Platanthera peramoena Purple Fringeless Orchid Orchidaceae Orchid Herb Pink 000000941000 six 4 prairie Alternate N
Podophyllum peltatum Mayapple Berberidaceae Barberry Herb White 001583110000 many 3 woodland N
Poinsettia dentata Toothed Spurge Euphorbiaceae Spurge Herb Green 000001376200 prairie Alternate, Opposite, Whorled N
Polanisia dodecandra dodecandra Clammyweed Cleomaceae Caper Herb White 000012564100 four 3 weeds N
Polanisia dodecandra trachysperma Large-Flowered Clammyweed Cleomaceae Caper Herb White 000012564100 four 4 prairie N
Polemonium reptans Jacob's Ladder Polemoniaceae Phlox Herb Blue, Violet2 000692100000 five 4 woodland Alternate N
Polygala cruciata aquilonia Cross-Leaved Milkwort Polygalaceae Milkwort Herb Green, Pink 000012664100 2 prairie Whorled N
Polygala polygama Purple Milkwort Polygalaceae Milkwort Herb Pink 000136711000 three 2 savanna Alternate N
Polygala sanguinea Field Milkwort Polygalaceae Milkwort Herb Pink, White 000002764100 2 prairie Alternate, Opposite N
Polygala senega Seneca Snakeroot Polygalaceae Milkwort Herb White 000059410000 2 savanna Alternate
Polygonatum commutatum Solomon's Seal Asparagaceae Lily Herb Yellow, White 000069311000 six 3 woodland Alternate N
Polygonatum pubescens Hairy Solomon's Seal Asparagaceae Lily Herb Green 000175322000 six 3 woodland Alternate N
Polygonum aviculare Prostrate Knotweed Polygonaceae Knotweed Herb White 000013563100 five weeds Alternate X
Polygonum lapathifolium
See: Persicaria lapathifolia
Pale Smartweed
Polymnia canadensis Leaf-Cup Asteraceae Aster Herb White 000013644100 five, many 3 woodland Alternate, Opposite N
Polytaenia nuttallii Prairie Parsley Apiaceae Carrot Herb Yellow, Green 000387210000 five 1 prairie Basal N
Pontederia cordata Pickerelweed Pontederiaceae Pickerelweed Herb Blue, Violet 000112672100 six 3 wetland Basal N
Portulaca oleracea Common Purslane Portulacaceae Portulaca Herb Yellow 000011375200 five 1 weeds Alternate, Opposite X
Potamogeton crispus Curly Pondweed Potamogetonaceae Pondweed Water Green, Brown 000124542100 wetland Alternate N
Potamogeton foliosus Leafy Pondweed Potamogetonaceae Pondweed Water Brown, Green 000013663100 wetland Alternate, Opposite N
Potamogeton nodosus Long-Leaved Pondweed Potamogetonaceae Pondweed Water Brown 000013663100 wetland Alternate N
Potamogeton pusillus Slender Pondweed Potamogetonaceae Pondweed Water White, Pink 000013673100 wetland Alternate N
Potentilla norvegica Rough Cinquefoil Rosaceae Rose Herb Yellow 000004852000 five 3 weeds Basal X
Potentilla recta Sulfur Cinquefoil Rosaceae Rose Herb White1, Yellow 000028621000 five 3 weeds Alternate, Basal X
Potentilla simplex Common Cinquefoil Rosaceae Rose Herb Yellow 000286210000 five 3 prairie N
Prenanthes alba White Lettuce Asteraceae Aster Herb White, Violet 000001179100 many 3 woodland Alternate N
Prenanthes altissima Tall White Lettuce Asteraceae Aster Herb Yellow, White, Green 000000159500 many 3 woodland Alternate N
Prenanthes aspera Rough White Lettuce Asteraceae Aster Herb White 000000039210 many 3 prairie Alternate N
Primula fassettii
See: Dodecatheon amethystinum
Amethyst Shooting Star
Primula meadia
See: Dodecatheon meadia
Shooting Star
Prunella vulgaris elongata Selfheal Lamiaceae Mint Herb White, Violet 000014941000 3 weeds Opposite
Pseudognaphalium obtusifolium Sweet Everlasting Asteraceae Aster Herb White, Yellow 000000149510 2 prairie Alternate N
Psoralidium tenuiflorum Scurfy Pea Fabaceae Bean Herb Blue, Violet 000016741000 pea 2 prairie Alternate N
Pycnanthemum pilosum Hairy Mountain Mint Lamiaceae Mint Herb White 000000883000 four 3 prairie Opposite N
Pycnanthemum tenuifolium Slender Mountain Mint Lamiaceae Mint Herb White 000015842100 four 3 prairie Opposite N
Pycnanthemum virginianum Common Mountain Mint Lamiaceae Mint Herb White 000001873100 four 3 prairie Opposite N
Ranunculus abortivus Small-Flowered Buttercup Ranunculaceae Buttercup Herb Yellow 001485210000 five 1 weeds Basal N
Ranunculus fascicularis Early Buttercup Ranunculaceae Buttercup Herb Yellow 001691000000 five 3 savanna Basal N
Ranunculus ficaria Lesser Celandine Ranunculaceae Buttercup Herb Yellow 003970000000 many 3 weeds Alternate, Opposite, Basal X
Ranunculus hispidus Hispid Buttercup Ranunculaceae Buttercup Herb Yellow 001693100000 five 3 woodland Alternate, Basal N
Ranunculus recurvatus Hooked Buttercup Ranunculaceae Buttercup Herb Yellow 000286210000 five 2 woodland Alternate, Basal N
Ranunculus repens Creeping Buttercup Ranunculaceae Buttercup Herb Yellow 000148421000 five 3 weeds Basal X
Ranunculus sceleratus Cursed Crowfoot Ranunculaceae Buttercup Herb Yellow 000136531000 five 2 wetland Basal N
Ranunculus septentrionalis Swamp Buttercup Ranunculaceae Buttercup Herb Yellow 000297110000 five 3 woodland Alternate, Basal N
Ranunculus testiculatus Bur Buttercup Ranunculaceae Buttercup Herb Yellow 002594000000 five 2 weeds Basal X
Raphanus sativus Garden Radish Brassicaceae Mustard Herb Pink, Violet, White2 113432211100 four 1 weeds Basal X
Ratibida columnifera Mexican Hat Asteraceae Aster Herb Yellow, Orange1, Red2, Brown1 000003951000 many 4 prairie Alternate X
Ratibida pinnata Yellow Coneflower Asteraceae Aster Herb Yellow 000003941000 many 4 prairie Basal N
Reseda luteola Weld Resedaceae Mignonette Herb Yellow 110135321101 1 weeds Basal X
Reynoutria japonica Japanese Knotweed Polygonaceae Knotweed Herb White 000001268200 five 1 weeds X
Rhexia virginica Virginia Meadow Beauty Melastomataceae Meadow Beauty Herb Pink 000001594100 four 3 wetland Opposite N
Rhus aromatica Fragrant Sumac Anacardiaceae Cashew Shrub Green 002453221100 five savanna Alternate N
Ribes americanum Wild Black Currant Grossulariaceae Gooseberry Shrub Yellow 000095321000 five 1 wetland Alternate N
Ribes cynosbati Prickly Gooseberry Grossulariaceae Gooseberry Shrub Yellow 000184421000 five savanna Alternate N
Ribes missouriense Missouri Gooseberry Grossulariaceae Gooseberry Shrub White 000493210000 five savanna Alternate N
Rorippa palustris fernaldiana Marsh Yellow Cress Brassicaceae Mustard Herb Yellow 000114652100 four 1 wetland Alternate N
Rorippa sessiliflora Sessile-Flowered Yellow Cress Brassicaceae Mustard Herb Yellow 001252123210 four wetland Alternate N
Rorippa sylvestris Creeping Yellow Cress Brassicaceae Mustard Herb Yellow 000015741100 four 2 weeds Alternate X
Rosa arkansana suffulta Prairie Rose Rosaceae Rose Shrub Pink, White1 000016741100 five 4 prairie Alternate N
Rosa carolina Pasture Rose Rosaceae Rose Shrub White1, Pink 000036422100 five 4 prairie Alternate
Rosa multiflora Multiflora Rose Rosaceae Rose Vine, Shrub White 000256212210 five 4 weeds Alternate X
Rosa palustris Swamp Rose Rosaceae Rose Shrub Pink 000014733100 five 4 wetland Alternate N
Rosa rugosa Rugosa Rose Rosaceae Rose Shrub Pink 000005552100 five 4 weeds Alternate X
Rosa setigera Wild Climbing Rose Rosaceae Rose Vine, Shrub Pink 000019411100 five 4 savanna Alternate N
Rubus allegheniensis Common Blackberry Rosaceae Rose Shrub White 000137431000 five 3 savanna Alternate N
Rubus argutus Highbush Blackberry Rosaceae Rose Shrub White 002664200000 five 3 savanna Alternate N
Rubus flagellaris Common Dewberry Rosaceae Rose Vine White 001365311000 five 3 savanna Alternate N
Rubus hispidus Swamp Dewberry Rosaceae Rose Vine White 000014833000 five 3 wetland Alternate N
Rubus occidentalis Black Raspberry Rosaceae Rose Shrub White 000067421100 five 3 savanna N
Rubus pensilvanicus Pennsylvania Blackberry Rosaceae Rose Shrub White 000245521000 five 3 savanna N
Rudbeckia fulgida sullivantii Sullivant's Coneflower Asteraceae Aster Herb Yellow, Orange 000000277300 4 savanna Alternate, Basal N
Rudbeckia hirta Black-Eyed Susan Asteraceae Aster Herb Orange 000015841000 many 4 prairie Alternate N
Rudbeckia laciniata Cutleaf Coneflower Asteraceae Aster Herb Yellow 000001793100 many 4 savanna Alternate N
Rudbeckia missouriensis Missouri Coneflower Asteraceae Aster Herb Yellow 000000575200 many 4 prairie Basal N
Rudbeckia subtomentosa Sweet Coneflower Asteraceae Aster Herb Yellow 000000395100 many 4 savanna N
Rudbeckia triloba Brown-Eyed Susan Asteraceae Aster Herb Yellow 000001476200 many 3 prairie Alternate N
Ruellia humilis Hairy Wild Petunia Acanthaceae Acanthus Herb Violet 000015842000 five 3 prairie Opposite N
Ruellia strepens Smooth Wild Petunia Acanthaceae Acanthus Herb Blue, Violet 000038233100 five 3 woodland Opposite N
Rumex acetosella Sheep Sorrel Polygonaceae Knotweed Herb Red, Green, Brown 000146521000 five 1 weeds Basal X
Rumex altissimus Pale Dock Polygonaceae Knotweed Herb Green 000147511000 wetland Alternate N
Rumex crispus Curly Dock Polygonaceae Knotweed Herb Green, Brown, Red 001125631000 weeds Alternate, Basal X
Rumex obtusifolius Bitter Dock Polygonaceae Knotweed Herb Green, Brown, Red 000014742100 weeds Alternate, Basal X
Rumex verticillatus Swamp Dock Polygonaceae Knotweed Herb Green 000235432000 wetland Alternate N
Sabatia angularis Common Rose Pink Gentianaceae Gentian Herb White2, Pink 000002940000 five 3 prairie Opposite N
Sagina procumbens Procumbent Pearlwort Caryophyllaceae Pink Herb White 000015742100 four weeds Opposite N
Sagittaria cuneata Arum-Leaved Arrowhead Alismataceae Water Plantain Water White 000002881000 three 3 wetland Basal N
Sagittaria latifolia Common Arrowhead Alismataceae Water Plantain Herb, Water White 000001693100 three 3 wetland Basal N
Salix humilis humilis Prairie Willow Salicaceae Willow Shrub 000243442100 prairie Alternate N
Salix humilis hyporhysa Smooth Prairie Willow Salicaceae Willow Shrub 000243442100 prairie Alternate N
Salvia azurea grandiflora Wild Blue Sage Lamiaceae Mint Herb Blue 000000138510 3 prairie Opposite N
Samolus parviflorus Brookweed Primulaceae Primrose Herb White 000134432200 five wetland Alternate N
Sanguinaria canadensis Bloodroot Papaveraceae Poppy Herb White 002782110000 many 3 woodland Basal N
Sanguisorba canadensis American Burnet Rosaceae Rose Herb White 000001594000 3 wetland Alternate N
Sanicula canadensis Canadian Black Snakeroot Apiaceae Carrot Herb Green 000137531000 2 woodland Alternate N
Sanicula odorata Common Black Snakeroot Apiaceae Carrot Herb Green, Yellow 000276311000 five 1 woodland Alternate, Opposite, Basal N
Saponaria officinalis Soapwort Caryophyllaceae Pink Herb White, Pink 000002773100 five 3 weeds Opposite X
Sarracenia purpurea Northern Pitcher Plant Sarraceniaceae Pitcher Plant Herb Brown, Red 000015652000 five 4 wetland Basal N
Saururus cernuus Lizard's Tail Saururaceae Lizard's Tail Herb White 000134532100 3 wetland Alternate N
Saxifraga pensylvanica forbesii Forbe's Saxifrage Saxifragaceae Saxifrage Herb White 000097100000 five 2 woodland Basal N
Scilla siberica Siberian Squill Asparagaceae Lily Herb Blue 003871000000 six 3 weeds Basal X
Scrophularia marilandica Late Figwort Scrophulariaceae Figwort Herb Red, Brown, Green 000001574200 two, five 2 woodland Opposite N
Scutellaria elliptica Hairy Skullcap Lamiaceae Mint Herb Violet, Blue 000039321100 two 3 woodland Opposite N
Scutellaria incana Downy Skullcap Lamiaceae Mint Herb Violet, Blue 000003872100 two 3 savanna Opposite N
Scutellaria lateriflora Mad-Dog Skullcap Lamiaceae Mint Herb Violet, White, Blue 000000594100 two 3 wetland Opposite N
Scutellaria ovata Heart-Leaved Skullcap Lamiaceae Mint Herb Violet, Blue 000028521100 two 3 woodland Opposite N
Scutellaria parvula missouriensis Small Skullcap Lamiaceae Mint Herb Violet, Blue 000266321000 five 3 prairie Opposite N
Securigera varia Crown Vetch Fabaceae Bean Herb White, Pink 000029431100 pea 1 weeds Alternate X
Sedum pulchellum Widow's Cross Crassulaceae Sedum Herb Pink 000378100000 four 4 prairie Alternate N
Sedum sarmentosum Whorled Stonecrop Crassulaceae Sedum Herb Yellow 000157241000 five 4 weeds Whorled X
Sedum ternatum Wild Stonecrop Crassulaceae Sedum Herb White 000673111000 four 4 woodland N
Senecio vulgaris Common Groundsel Asteraceae Aster Herb Yellow 014422221100 1 weeds Alternate X
Senna hebecarpa Wild Senna Fabaceae Bean Herb Yellow 000000593100 five 3 savanna N
Senna marilandica Maryland Senna Fabaceae Bean Herb Yellow 000000494200 five 3 savanna Alternate N
Senna obtusifolia Sicklepod Fabaceae Bean Herb Yellow 000001256420 five 1 prairie Alternate N
Sibara virginica Virginia Rock Cress Brassicaceae Mustard Herb White 019720000000 four 1 weeds Basal N
Sibbaldiopsis tridentata Three-Toothed Cinquefoil Rosaceae Rose Herb White 000016831000 five 3 prairie Alternate N
Sicyos angulatus Bur Cucumber Cucurbitaceae Gourd Vine White, Green 000001167310 five 1 savanna Alternate, Opposite N
Sida spinosa Prickly Sida Malvaceae Mallow Herb Yellow 000001267400 five 2 weeds Alternate X
Silene antirrhina Sleepy Catchfly Caryophyllaceae Pink Herb White, Pink5 002455210000 five 3 prairie Opposite N
Silene chalcedonica Maltese Cross Caryophyllaceae Pink Herb Red 000006661000 five 5 weeds Opposite X
Silene coronaria Mullein Pink Caryophyllaceae Pink Herb Red, Pink, Violet, White2 000022940000 five 4 weeds Basal X
Silene latifolia Evening Campion Caryophyllaceae Pink Herb White 000026641000 five 4 weeds Opposite X
Silene regia Royal Catchfly Caryophyllaceae Pink Herb Red 000002970000 five 5 prairie N
Silene stellata Starry Campion Caryophyllaceae Pink Herb White 000003951000 five 4 woodland Opposite, Whorled N
Silene virginica Fire Pink Caryophyllaceae Pink Herb Red 000884000000 five 5 woodland Basal N
Silene vulgaris Bladder Campion Caryophyllaceae Pink Herb White 000006831000 five 3 weeds Opposite X
Silphium integrifolium Rosinweed Asteraceae Aster Herb Yellow 000001953100 many 3 prairie Opposite N
Silphium laciniatum Compass Plant Asteraceae Aster Herb Yellow 000001963100 many 3 prairie Basal N
Silphium perfoliatum Cup Plant Asteraceae Aster Herb Yellow 000001684100 many 3 prairie Opposite N
Silphium terebinthinaceum Prairie Dock Asteraceae Aster Herb Yellow 000001575100 many 4 prairie Basal
Sinapis arvensis Wild Mustard Brassicaceae Mustard Herb Yellow 012224421100 four 3 weeds Alternate X
Sisymbrium altissimum Tumble Mustard Brassicaceae Mustard Herb Yellow 000147421000 four 2 weeds Alternate, Basal X
Sisymbrium officinale Hedge Mustard Brassicaceae Mustard Herb Yellow 000354421100 four 1 weeds Alternate, Basal X
Sisyrinchium albidum White Blue-Eyed Grass Iridaceae Iris Herb White, Blue 001793000000 six 4 prairie Basal N
Sisyrinchium angustifolium Stout Blue-Eyed Grass Iridaceae Iris Herb Blue, Violet 000367310000 six 4 prairie Basal N
Sisyrinchium campestre Prairie Blue-Eyed Grass Iridaceae Iris Herb White, Blue 000394100000 six 4 prairie Basal
Sium suave Water Parsnip Apiaceae Carrot Herb White 000011683100 five 2 wetland Basal N
Smilacina racemosa False Solomon's Seal Asparagaceae Lily Herb White 000157421000 six 3 woodland Alternate N
Smilacina stellata Starry False Solomon's Seal Asparagaceae Lily Herb White 000158420000 six 3 savanna Alternate N
Smilax ecirrhata Upright Carrion Flower Smilacaceae Greenbrier Herb White, Green 000174332100 six 2 woodland N
Smilax herbacea Smooth Carrion Flower Smilacaceae Greenbrier Vine Green 000137422100 1 savanna Alternate N
Solanum carolinense Horse Nettle Solanaceae Nightshade Herb White, Violet 000024633100 five 3 prairie Alternate N
Solanum dulcamara Bittersweet Nightshade Solanaceae Nightshade Vine Pink, Violet 000015642100 five 2 weeds Alternate X
Solanum lycopersicum
See: Lycopersicon esculentum
Tomato
Solanum ptycanthum Black Nightshade Solanaceae Nightshade Herb White 000001456310 five 2 weeds Alternate N
Solanum ptychanthum
See: Solanum ptycanthum
Black Nightshade
Solanum rostratum Buffalo-Bur Solanaceae Nightshade Herb Yellow 000013564100 five 3 weeds Alternate X
Solidago caesia Blue-Stemmed Goldenrod Asteraceae Aster Herb Yellow 000000029710 four, five 3 woodland Alternate N
Solidago canadensis Canada Goldenrod Asteraceae Aster Herb Yellow 000000495100 many 3 prairie Alternate N
Solidago flexicaulis Zigzag Goldenrod Asteraceae Aster Herb Yellow 000000159300 three,four 3 woodland N
Solidago gigantea Giant Goldenrod Asteraceae Aster Herb Yellow 000000495100 many 3 wetland Alternate N
Solidago juncea Early Goldenrod Asteraceae Aster Herb Yellow 000001792000 many 3 prairie Alternate N
Solidago missouriensis Missouri Goldenrod Asteraceae Aster Herb Yellow 000001892000 many 3 prairie Alternate N
Solidago nemoralis Field Goldenrod Asteraceae Aster Herb Yellow 000000169300 many 3 prairie Alternate N
Solidago patula Swamp Goldenrod Asteraceae Aster Herb Yellow 000001049300 many 3 wetland Alternate, Basal N
Solidago rigida
See: Oligoneuron rigidum
Stiff Goldenrod
Solidago rugosa Wrinkle-Leaved Goldenrod Asteraceae Aster Herb Yellow 000000169400 many 3 savanna Alternate N
Solidago simplex gillmanii Dune Goldenrod Asteraceae Aster Herb Yellow 000001891000 3 prairie Alternate, Basal N
Solidago speciosa Showy Goldenrod Asteraceae Aster Herb Yellow 000000159400 3 prairie Alternate N
Solidago ulmifolia Elm-Leaved Goldenrod Asteraceae Aster Herb Yellow 000000169200 many 3 woodland Alternate N
Sonchus arvensis glabrescens Perennial Sowthistle Asteraceae Aster Herb Yellow 000001684100 many 2 weeds Alternate X
Sonchus asper Prickly Sowthistle Asteraceae Aster Herb Yellow 001343332100 many 2 weeds Alternate X
Sonchus oleraceus Common Sowthistle Asteraceae Aster Herb Yellow 013432222110 many 2 weeds Alternate X
Sparganium eurycarpum Giant Bur-Reed Typhaceae Bur-Reed Water White, Green, Yellow 000014752000 1 wetland Alternate N
Spigelia marilandica Indian Pink Loganiaceae Logania Herb Yellow, Red 000394110000 five 4 woodland Opposite N
Spiraea alba Meadowsweet Rosaceae Rose Shrub White 000002962000 five 3 wetland Alternate N
Spiraea tomentosa Steeplebush Rosaceae Rose Shrub Pink 000001683100 five 3 wetland Alternate N
Spiranthes cernua Nodding Ladies' Tresses Orchidaceae Orchid Herb White 000000049400 six 3 prairie Basal N
Spiranthes ovalis Lesser Ladies' Tresses Orchidaceae Orchid Herb White 000000009800 six 3 woodland Alternate, Basal N
Spiranthes vernalis Grass-leaved Ladies' Tresses Orchidaceae Orchid Herb White 000174331000 six 3 prairie Basal N
Spirodela polyrhiza Great Duckweed Araceae Arum Water 000014653100 wetland N
Spirodela polyrrhiza
See: Spirodela polyrhiza
Great Duckweed
Stachys palustris arenicola Hairy Hedge Nettle Lamiaceae Mint Herb White, Pink 000002962000 four 3 prairie Opposite N
Stachys tenuifolia Smooth Hedge Nettle Lamiaceae Mint Herb Pink, White5 000002863100 four 3 prairie Opposite N
Stellaria graminea Grass-Leaved Chickweed Caryophyllaceae Pink Herb White 000019721000 five, many 1 weeds Opposite X
Stellaria media Common Chickweed Caryophyllaceae Pink Herb White 013542211000 five 1 weeds Opposite X
Stellaria pallida Apetalous Chickweed Caryophyllaceae Pink Herb Green 026841000000 five 1 weeds Opposite X
Stellaria pubera Star Chickweed Caryophyllaceae Pink Herb White 003940000000 five, many 1 woodland Opposite N
Strophostyles helvula missouriensis Missouri Fuzzy Bean Fabaceae Bean Vine Pink 000001496100 pea 1 savanna Alternate N
Strophostyles leiosperma Small Fuzzy Bean Fabaceae Bean Vine Pink 000011484100 pea 1 prairie Alternate N
Stuckenia pectinata Sago Pondweed Potamogetonaceae Pondweed Water White 000013662100 wetland N
Stylophorum diphyllum Celandine Poppy Papaveraceae Poppy Herb Yellow 001952001000 four 3 woodland Basal N
Stylosanthes biflora Pencil Flower Fabaceae Bean Herb Yellow 000036632000 pea 2 savanna Alternate N
Swertia caroliniensis
See: Frasera caroliniensis
American Columbo
Symphoricarpos orbiculatus Coralberry Caprifoliaceae Honeysuckle Shrub Yellow 000113343310 five savanna Opposite N
Symphyotrichum anomalum Many-Rayed Aster Asteraceae Aster Herb Blue, White 000000029700 many 3 savanna Basal N
Symphyotrichum cordifolium Blue Wood Aster Asteraceae Aster Herb Violet, Blue, White4 000000177500 many 3 woodland Alternate N
Symphyotrichum drummondii Drummond's Aster Asteraceae Aster Herb Violet, White4 000000019710 many 3 woodland Basal N
Symphyotrichum dumosum Rice Button Aster Asteraceae Aster Herb White, Violet 000000025920 many 3 savanna Alternate, Basal N
Symphyotrichum ericoides Heath Aster Asteraceae Aster Herb White 000000169400 many 3 prairie Alternate N
Symphyotrichum laeve Smooth Blue Aster Asteraceae Aster Herb Blue, Violet3 000000287300 many 4 prairie Alternate N
Symphyotrichum lanceolatum Panicled Aster Asteraceae Aster Herb White 000000178400 many 3 prairie Alternate N
Symphyotrichum lateriflorum Calico Aster Asteraceae Aster Herb White 000000167510 many 3 savanna Alternate N
Symphyotrichum novae-angliae New England Aster Asteraceae Aster Herb Blue, Pink, Violet 000000139500 many 4 prairie Alternate N
Symphyotrichum oblongifolium Aromatic Aster Asteraceae Aster Herb Blue, Violet 000000138700 many 3 prairie Alternate N
Symphyotrichum ontarionis Ontario Aster Asteraceae Aster Herb White 000000049510 many 3 woodland Alternate N
Symphyotrichum oolentangiense Sky Blue Aster Asteraceae Aster Herb Violet, Blue, White2 000000018910 many 3 prairie Alternate N
Symphyotrichum pilosum Frost Aster Asteraceae Aster Herb White 000000028910 many 3 weeds Alternate N
Symphyotrichum praealtum Willow Aster Asteraceae Aster Herb Blue, Violet 000000016930 many 3 prairie Alternate N
Symphyotrichum puniceum puniceum Swamp Aster Asteraceae Aster Herb Violet, Blue, White1 000000296200 3 wetland Alternate N
Symphyotrichum sagittifolium Arrow-Leaved Aster Asteraceae Aster Herb Violet, Blue, White 001001107910 many 3 woodland Alternate N
Symphyotrichum sericeum Silky Aster Asteraceae Aster Herb Violet 000000019700 many 4 prairie Alternate N
Symphyotrichum shortii Short's Aster Asteraceae Aster Herb Violet, Blue, White1 000000019720 many 3 woodland Alternate N
Symphyotrichum turbinellum Turbinate Aster Asteraceae Aster Herb Blue, Violet 000000018910 many 4 savanna Alternate N
Symphytum officinale Common Comfrey Boraginaceae Borage Herb White, Pink, Violet 000035533000 five 3 weeds Alternate, Opposite X
Symplocarpus foetidus Skunk Cabbage Araceae Arum Herb Green, Black, Brown 002662211000 one 3 wetland Basal N
Synthyris bullii
See: Besseya bullii
Kittentails
Taenidia integerrima Yellow Pimpernel Apiaceae Carrot Herb Yellow 000287210000 five 1 savanna N
Tanacetum parthenium Feverfew Asteraceae Aster Herb White 000015632210 many 2 weeds Alternate X
Tanacetum vulgare crispum Common Tansy Asteraceae Aster Herb Yellow 000001594100 1 weeds Alternate X
Taraxacum officinale Dandelion Asteraceae Aster Herb Yellow 001245421000 many 1 weeds Basal X
Tarenaya hassleriana
See: Cleome hassleriana
Spider Flower
Tephrosia virginiana Goat's Rue Fabaceae Bean Herb White, Pink 000147421000 pea 1 prairie Alternate
Tetraneuris herbacea Lakeside Daisy Asteraceae Aster Herb Yellow 000238320000 five 3 prairie Basal N
Teucrium canadense American Germander Lamiaceae Mint Herb White, Violet3 000003862100 2 savanna Opposite N
Thalia dealbata Powdery Thalia Marantaceae Arrowroot Water, Herb Violet 000123634110 four 2 wetland Basal N
Thalictrum dasycarpum Purple Meadow Rue Ranunculaceae Buttercup Herb White, Yellow 000017741000 3 savanna Alternate N
Thalictrum dioicum Early Meadow Rue Ranunculaceae Buttercup Herb Yellow, Green 000294110000 3 woodland Alternate N
Thalictrum revolutum Waxy Meadow Rue Ranunculaceae Buttercup Herb White 000139421000 four, five 3 prairie Alternate N
Thalictrum thalictroides
See: Anemonella thalictroides
Rue Anemone
Thaspium barbinode Hairy-Jointed Meadow Parsnip Apiaceae Carrot Herb Yellow 000275321100 five 2 prairie Alternate, Basal N
Thaspium trifoliatum trifoliatum Purple Meadow Parsnip Apiaceae Carrot Herb Red, Brown 000374211000 five 2 savanna Basal N
Thlaspi arvense Field Pennycress Brassicaceae Mustard Herb White 000148420000 four 1 weeds X
Thlaspi perfoliatum Perfoliate Pennycress Brassicaceae Mustard Herb White 002921000000 four 1 weeds Basal X
Tomanthera auriculata Ear-Leaved False Foxglove Orobanchaceae Figwort Herb Pink, Violet 000000089200 five 3 prairie Opposite N
Torilis arvensis Common Hedge Parsley Apiaceae Carrot Herb White, Pink 000059410000 five 2 weeds Alternate X
Tracaulon arifolium Hastate-Leaved Tearthumb Polygonaceae Knotweed Vine White 000001377100 wetland N
Tracaulon sagittatum Arrow-Leaved Tearthumb Polygonaceae Knotweed Vine White, Pink 000001485100 wetland Alternate N
Tradescantia bracteata Prairie Spiderwort Commelinaceae Dayflower Herb Pink, Blue, Violet 000079200000 three 3 prairie Alternate N
Tradescantia ohiensis Ohio Spiderwort Commelinaceae Dayflower Herb Blue, Violet 001256311000 three 3 prairie Alternate N
Tradescantia subaspera Zigzag Spiderwort Commelinaceae Dayflower Herb Blue, Violet 000145522100 three 3 woodland Alternate N
Tradescantia virginiana Virginia Spiderwort Commelinaceae Dayflower Herb Blue, Violet 000475110000 three 4 savanna N
Tragopogon dubius Western Goat's Beard Asteraceae Aster Herb Yellow 000028631000 many 4 weeds Alternate, Basal X
Tragopogon pratensis Yellow Goat's Beard Asteraceae Aster Herb Yellow 000017542100 many 2 weeds Alternate, Basal X
Tribulus terrestris Puncture Vine Zygophyllaceae Caltrop Herb Green, Yellow 000112464200 five 1 weeds X
Trientalis borealis Starflower Primulaceae Primrose Herb White, Pink3, Blue3 000077420000 many 3 woodland N
Trifolium arvense Rabbit-Foot Clover Fabaceae Bean Herb White, Pink 000123742100 2 weeds Alternate X
Trifolium campestre Low Hop Clover Fabaceae Bean Herb Yellow 001354421000 2 weeds Alternate X
Trifolium hybridum Alsike Clover Fabaceae Bean Herb White, Pink 000015741000 2 weeds Alternate X
Trifolium pratense Red Clover Fabaceae Bean Herb Pink 000025642100 2 weeds Alternate X
Trifolium repens White Clover Fabaceae Bean Herb White 000125741000 2 weeds Alternate X
Trillium erectum Red Trillium Melanthiaceae Lily Herb Red, Brown, White1, Yellow1 000392110000 three 5 woodland Whorled N
Trillium flexipes White Trillium Melanthiaceae Lily Herb White 000592100000 three 4 woodland Whorled N
Trillium grandiflorum Large-Flowered Trillium Melanthiaceae Lily Herb White, Pink1 000492100000 three 4 woodland Whorled N
Trillium nivale Snow Trillium Melanthiaceae Lily Herb White 006930000000 three 4 woodland Whorled N
Trillium recurvatum recurvatum Prairie Trillium Melanthiaceae Lily Herb Brown 001981000000 three 4 woodland Whorled N
Trillium recurvatum shayii Shay's Trillium Melanthiaceae Lily Herb Yellow 001981000000 three 4 woodland Whorled N
Trillium sessile Sessile Trillium Melanthiaceae Lily Herb Brown 002921000000 three 5 woodland Whorled N
Triodanis perfoliata Venus' Looking Glass Campanulaceae Bellflower Herb Violet, Blue5 000476200000 five 3 prairie Alternate, Opposite N
Triosteum aurantiacum aurantiacum Early Horse Gentian Caprifoliaceae Honeysuckle Herb Brown, Red 000055333000 five 1 woodland Opposite N
Triosteum aurantiacum illinoense Illinois Horse Gentian Caprifoliaceae Honeysuckle Herb Brown, Red 000055333000 five 1 woodland Opposite N
Triosteum perfoliatum Late Horse Gentian Caprifoliaceae Honeysuckle Herb Brown, Red 000066312200 five 1 woodland Opposite N
Turritis glabra Tower Mustard Brassicaceae Mustard Herb White, Yellow 000127730000 four 1 prairie Basal N
Typha angustifolia Narrow-Leaved Cattail Typhaceae Bur-Reed Cattail Brown 000014842100 3 wetland, grasses N
Typha latifolia Common Cattail Typhaceae Bur-Reed Cattail Brown 000013752100 3 wetland, grasses N
Urtica dioica gracilis
See: Urtica gracilis
Slender Nettle
Urtica gracilis Slender Nettle Urticaceae Nettle Herb Green 000014752100 savanna Opposite N
Uvularia grandiflora Large-Flowered Bellwort Colchicaceae Lily Herb Yellow 000493211000 six 3 woodland Alternate N
Vaccinium angustifolium Lowbush Blueberry Ericaceae Heath Shrub White, Pink 000044641000 five 1 savanna Alternate N
Vaccinium pallidum Hillside Blueberry Ericaceae Heath Shrub White, Pink 000374321000 five 1 savanna Alternate N
Valeriana officinalis Garden Valerian Valerianaceae Valerian Herb White, Pink 000016821000 five 3 weeds Opposite, Basal X
Valeriana pauciflora Large-Flowered Valerian Valerianaceae Valerian Herb White, Pink 000195100000 five 3 woodland Opposite, Basal N
Valerianella radiata Beaked Corn Salad Valerianaceae Valerian Herb White 002971000000 five 2 weeds Opposite N
Valerianella umbilicata Northern Corn Salad Valerianaceae Valerian Herb White 000973000000 five 2 woodland Basal N
Verbascum blattaria Moth Mullein Scrophulariaceae Figwort Herb Yellow, White 000026632100 five 3 weeds Alternate, Basal X
Verbascum thapsus Great Mullein Scrophulariaceae Figwort Herb Yellow 000002763100 five 3 weeds Alternate, Basal X
Verbena bonariensis Purpletop Vervain Verbenaceae Vervain Herb Violet 000123433300 five 3 weeds Opposite X
Verbena bracteata Prostrate Vervain Verbenaceae Vervain Herb Blue, Violet 000015652000 five 3 weeds Opposite N
Verbena hastata Blue Vervain Verbenaceae Vervain Herb Blue, Violet 000001873100 five 3 wetland Opposite N
Verbena simplex Narrow-Leaved Vervain Verbenaceae Vervain Herb Violet 000049421000 five 3 prairie Opposite N
Verbena stricta Hoary Vervain Verbenaceae Vervain Herb Blue, Violet 000003952000 five 3 prairie Opposite N
Verbena urticifolia White Vervain Verbenaceae Vervain Herb White 000001873100 five 2 savanna Opposite N
Verbesina alternifolia Wingstem Asteraceae Aster Herb Yellow 000010167400 many 3 savanna Alternate N
Verbesina helianthoides Yellow Crownbeard Asteraceae Aster Herb Yellow 000039321000 many 4 prairie Alternate N
Vernonia arkansana Great Ironweed Asteraceae Aster Herb Pink, Violet 000000675200 many 3 prairie Alternate ?
Vernonia baldwinii Baldwin's Ironweed Asteraceae Aster Herb Blue, Pink, Violet 000001963100 many 3 prairie Alternate N
Vernonia fasciculata Smooth Ironweed Asteraceae Aster Herb Blue, Pink, Violet 000000395200 many 3 prairie Alternate N
Vernonia gigantea Tall Ironweed Asteraceae Aster Herb Blue, Pink, Violet 000000278310 many 3 savanna Alternate N
Vernonia missurica Missouri Ironweed Asteraceae Aster Herb Blue, Pink, Violet 000000296100 many 3 prairie Alternate N
Veronica anagallis-aquatica Water Speedwell Plantaginaceae Plantain Herb Violet 000244432100 four 2 wetland Opposite N
Veronica arvensis Corn Speedwell Plantaginaceae Plantain Herb Blue 001475200000 four 2 weeds Opposite X
Veronica hederaefolia Ivy-Leaved Speedwell Plantaginaceae Plantain Herb Violet 001962000000 four 2 weeds Alternate, Opposite X
Veronica persica Bird's Eye Speedwell Plantaginaceae Plantain Herb Blue 024532111100 four 2 weeds Alternate, Opposite X
Veronica polita Wayside Speedwell Plantaginaceae Plantain Herb Blue, Violet 125721100010 four 2 weeds Opposite X
Veronica scutellata Marsh Speedwell Plantaginaceae Plantain Herb Blue, White 000014861000 four 2 wetland Opposite N
Veronica serpyllifolia Thyme-Leaved Speedwell Plantaginaceae Plantain Herb White, Blue2 000037720000 four 2 weeds Opposite X
Veronicastrum virginicum Culver's Root Plantaginaceae Plantain Herb White 000001952000 3 prairie Whorled N
Viburnum acerifolium Maple-Leaved Viburnum Adoxaceae Elderberry Shrub White 000137332100 five 3 woodland Opposite N
Vicia dasycarpa Smooth Vetch Fabaceae Bean Herb Pink, Violet, Blue 001455311000 pea 1 weeds Alternate X
Vicia sativa Common Vetch Fabaceae Bean Herb Violet, Pink 002663110000 pea 1 weeds Alternate X
Vicia villosa Hairy Vetch Fabaceae Bean Herb Pink, Violet, Blue 001455311000 pea 1 weeds Alternate X
Vicia villosa glabrescens
See: Vicia dasycarpa
Smooth Vetch
Vinca minor Lesser Periwinkle Apocynaceae Milkweed Herb Blue 002762110000 five 3 weeds Opposite X
Viola bicolor Field Pansy Violaceae Violet Herb Blue, Violet2 009730000000 five 4 prairie Alternate, Basal N
Viola canadensis Canada Violet Violaceae Violet Herb White 000148411000 five 4 woodland Basal N
Viola conspersa Dog Violet Violaceae Violet Herb Blue, Violet 000193210000 five 4 woodland Alternate N
Viola cucullata Marsh Violet Violaceae Violet Herb Blue, Violet 000185321000 five 4 wetland Basal N
Viola fimbriatula Sand Violet Violaceae Violet Herb Blue, Violet 000192312100 five 4 savanna Basal N
Viola lanceolata Lance-Leaved Violet Violaceae Violet Herb White 001264132100 five 4 wetland Basal N
Viola missouriensis Missouri Violet Violaceae Violet Herb Blue, Violet 001592110000 five 4 woodland N
Viola palmata dilatata Cleft Violet Violaceae Violet Herb Blue, Violet 002962100000 five 4 woodland Basal N
Viola palmata palmata Three-Lobed Violet Violaceae Violet Herb Blue, Violet 002962100000 five 4 woodland Basal N
Viola pedata Birdfoot Violet Violaceae Violet Herb Blue, Violet 002682001000 five 4 prairie N
Viola pedatifida Prairie Violet Violaceae Violet Herb Blue, Violet 000295000000 five 4 prairie Basal N
Viola pubescens eriocarpa Common Yellow Violet Violaceae Violet Herb Yellow 000394210000 five 4 woodland Basal N
Viola pubescens pubescens Hairy Yellow Violet Violaceae Violet Herb Yellow 000394210000 five 4 woodland Basal N
Viola sagittata Arrow-Leaved Violet Violaceae Violet Herb Blue, Violet 001492111000 five 4 prairie Basal N
Viola sororia albiflora White Wood Violet Violaceae Violet Herb White 001592110000 five 4 savanna N
Viola sororia missouriensis
See: Viola missouriensis
Missouri Violet
Viola sororia priceana Confederate Violet Violaceae Violet Herb Blue, Violet 001592110000 five 4 savanna N
Viola sororia sororia Common Blue Violet Violaceae Violet Herb Blue 001592110000 five 4 savanna N
Viola striata Striped White Violet Violaceae Violet Herb White, Yellow2 000971000000 five 4 woodland Alternate N
Viola tricolor Johnny Jump-Up Violaceae Violet Herb Yellow, Blue, Pink, Violet 001443213100 five 4 weeds Alternate X
Wolffia brasiliensis Brazilian Watermeal Araceae Arum Water 000115255100 wetland N
Wulfenia bullii
See: Besseya bullii
Kittentails
Xanthium strumarium Common Cocklebur Asteraceae Aster Herb White, Green, Brown 000001267300 many 1 weeds Alternate N
Yucca flaccida
See: Yucca smalliana
Yucca
Yucca smalliana Yucca Asparagaceae Lily Herb White 101128511101 six 2 weeds Basal X
Zannichellia palustris Horned Pondweed Potamogetonaceae Pondweed Water Green 000124442200 wetland Opposite N
Zizia aptera Heartleaf Golden Alexanders Apiaceae Carrot Herb Yellow 000148520000 five 1 prairie Alternate, Basal N
Zizia aurea Golden Alexanders Apiaceae Carrot Herb Yellow 000176320000 five 1 prairie N