Illinois Natural History Survey - University of Illinois



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Scientific Name Synonyms Common Names Family Lifeform Origin Photo
Acalypha gracilensAcalypha gracilens var. gracilensSlender three-seeded mercury Euphorbiaceae Forb Native
Acalypha monococcaAcalypha gracilens var. monococca
Acalypha virginica var. monococca
Acalypha gracilens monococca
Slender three-seeded mercury Euphorbiaceae Forb Native
Acer barbatumAcer floridanumSouthern sugar maple Sapindaceae or Aceraceae Tree Native
Acer pseudoplatanusSycamore maple Sapindaceae or Aceraceae Tree Europe
Acer rubrumAcer rubrum var. tomentosum
Acer rubrum tomentosum
Acer rubrum var. rubrum
Red maple
Swamp maple
Sapindaceae or Aceraceae Tree Native
Acer rubrum var. drummondiiAcer rubrum drummondii
Acer rubrum var drummondii
Swamp red maple
Drummond's red maple
Sapindaceae or Aceraceae Tree Native
Acer rubrum var. trilobumAcer rubrum trilobumRed maple
Silver maple
Sapindaceae or Aceraceae Tree Native
Acer saccharumAcer saccharum schneckii
Acer saccharum var. saccharum
Sugar maple
Schneck's sugar maple
Sapindaceae or Aceraceae Tree Native
Acorus americanusAcorus calamusSeveral-vein sweetflag
Sweet flag
Flag root
Acoraceae Forb Native
Acorus calamusSweet flag
Single-vein sweetflag
Flag root
Acoraceae
Aesculus flavaAesculus octandra marsh.
Aesculus octandra
Sweet buckeye
Yellow buckeye
Sapindaceae Tree
Shrub
Native
Agalinis besseyanaAgalinis tenuifolia macrophylla
Gerardia tenuifolia var. parviflora
Slender false foxglove Orobanchaceae Forb Native
Agalinis tenuifoliaGerardia tenuifolia
Agalinis tenuifolia var. tenuifolia
Slender false foxglove Orobanchaceae Forb Native
Agrimonia parvifloraSwamp agrimony
Harvestlice
Rosaceae Forb Native
Agrimonia pubescensAgrimonia microcarpaSoft agrimony
Small-fruited agrimony
Soft grooveburr
Rosaceae Forb Native
Aira caryophyllaeaSlender hairgrass
Silver hair grass
Poaceae Grasslike Europe
Aletris farinosaStar grass
Colic root
Nartheciaceae Forb Native
Alisma subcordatumAlisma plantago aquatica parviflorum
Alisma plantago-aquatica var. parviflorum
Alisma subcordatum
Alisma plantago-aquatica var parviflorum
Small-flowered water plantain
Common water plantain
Alismataceae Forb Native
Allium fistulosumSpring onion
Welch onion
Amaryllidaceae Forb Asia
Alnus incana ssp. rugosaAlnus incana rugosa
Alnus rugosa var. americana
Alnus incana
Alnus rugosa var. rugosa
Alnus incana var. americana
Alnus rugosa
Alnus americana
Alnus incana var. incana
Alnus incana var. rugosa
Betula rugosa
Speckled alder Betulaceae Shrub Native

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