Abbreviations: n=native i=introduced
A=aquatic/wetland F=forest G=cool-season grasslands O=successional/disturbed
sites P=native tallgrass prairie
BW=Baldwin Woods RT=Robinson Tract TC=Tri-County
area WP=Welda Prairie
V=Voucher specimen R=Reliable report
Families: Aa-Az B-Cn Co-E F-G H-L M-O Pa-Pok Pol-Pz R-T U-Z
| Family | Genus/Species | Common Name | Origin | Habitat | BW | RT | TC | WP |
| Haloragaceae | Myriophyllum heterophyllum | Water milfoil | V | |||||
| Hippocastanaceae | Aesculus glabra var. arguta | Western buckeye | n | F | V | R | ||
| Hydrocharitaceae | Najas guadalupensis ssp. guadalupensis | Common naiad | V | |||||
| Hydrophyllaceae | Ellisia nyctelea | Waterpod | n | A,F | V | V | ||
| Hydrophyllum virginianum | Virginia waterleaf | n | F | V | ||||
| Iridaceae | Iris x germanica | Blue flag iris | i | O | V | |||
| Sisyrinchium campestre | White-eyed grass | n | P | V | V | V | ||
| Juglandaceae | Carya cordiformis | Bitternut hickory | n | F | V | V | ||
| Carya laciniosa | Kingnut hickory | n | F | V | V | |||
| Carya ovata | Shagbark hickory | n | F | V | R | V | ||
| Carya tomentosa | Mockernut hickory | n | F | R | ||||
| Juglans nigra | Black walnut | n | F | V | V | V | V | |
| Juncaceae | Juncus interior | Inland rush | n | A,G | V | V | V | |
| Juncus marginatus | Shore rush | n | A | V | V | |||
| Juncus nodatus | Stout rush | V | ||||||
| Juncus tenuis | Path rush | n | A,O | V | V | |||
| Juncus torreyi | Torrey's rush | n | A | V | V | |||
| Lamiaceae | Agastache nepetoides | Catnip gianthyssop | n | F | V | R | V | V |
| Hedeoma hispidum | Rough false pennyroyal | n | G,O,P | V | ||||
| Hedeoma pulegioides | American false pennyroyal | n | P | V | ||||
| Lamium amplexicaule | Henbit | i | O | R | R | V | V | |
| Lamium purpureum | Deadnettle | i | O | V | ||||
| Leonurus marrubiastrum | Hoarhound motherwort | i | O | V | ||||
| Lycopus americanus | American bugleweed | n | A | R | V | |||
| Lycopus virginicus | Virginia bugleweed | n | A | R | ||||
| Marrubium vulgare | Common horehound | V | ||||||
| Monarda citriodora ssp. citriodora var. citriodora | Lemon beebalm | V | ||||||
| Monarda fistulosa var. fistulosa | Wild beebalm | n | F | V | R | V | ||
| Nepeta cataria | Catnip | i | O | R | V | |||
| Physostegia angustifolia | False dragonhead | V | ||||||
| Prunella vulgaris var. lanceolata | Self-heal | n | F | V | V | V | V | |
| Pycnanthemum tenuifolium | Slender mountainmint | n | P | V | R | V | V | |
| Salvia azurea | Pitcher's sage | n | P | R | V | |||
| Salvia azurea var. grandiflora | Blue sage | V | ||||||
| Salvia reflexa | Lanceleaf sage | n | P | R | ||||
| Scutellaria parvula var. australis | Southern small skullcap | n | P | V | ||||
| Scutellaria parvula var. leonardii | Leonard's small skullcap | n | P | V | ||||
| Scutellaria parvula var. missouriensis | Small skullcap | V | ||||||
| Stachys tenuifolia | Slenderleaf betony | n | A,F | V | ||||
| Teucrium canadense var. canadense | Canada germander | n | G,O | V | R | V | ||
| Trichostema brachiatum | False pennyroyal | V | ||||||
| Lemnaceae | Lemna minor | Common duckweed | n | A | V | |||
| Spirodela polyrrhiza | Giant duckweed | n | A | V | ||||
| Liliaceae | Allium canadense var. canadense | Common Canada onion | n | O,P | V | V | V | |
| Allium canadense var. lavendulare | Lavender Canada onion | n | P | V | R | R | V | |
| Allium vineale | Wild garlic | i | G,O | V | V | |||
| Asparagus officinalis | Asparagus | i | O | V | R | V | V | |
| Camassia angusta | Wild hyacinth | V | ||||||
| Camassia scilloides | Eastern camass | n | P | R | ||||
| Erythronium albidum | White fawnlily | n | F | V | V | |||
| Erythronium mesochoreum | Prairie fawnlily | n | F,P | V | V | V | V | |
| Hemerocallis fulva | Daylily | i | F | V | V | |||
| Hypoxis hirsuta | Yellow stargrass | n | P | R | V | V | ||
| Lilium canadense ssp. michiganense | Michigan lily | n | F | R | V | |||
| Melanthium virginicum | Virginia bunchflower | n | P | R | ||||
| Nothoscordum bivalve | False garlic | V | ||||||
| Polygonatum biflorum | Solomon's seal | n | F | V | V | V | ||
| Linaceae | Linum sulcatum var. sulcatum | Grooved flax | n | G,P | V | V | ||
| Loasaceae | Mentzelia oligosperma | Stickleaf mentzelia | n | O | R | |||
| Lythraceae | Ammannia coccinea | Purple toothcup | n | A | V | V | ||
| Cuphea viscosissima | Blue waxweed | n | A,F | R | V | |||
| Lythrum alatum var. alatum | Winged loosestrife | n | A | R | V | V | V | |
| Lythrum salicaria | Purple loosestrife | i | A | V | ||||
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