Illinois Natural History Survey - University of Illinois



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Scientific Name Synonyms Common Names Family Lifeform Origin Photo
Abelmoschus esculentusHibiscus esculentusOkra Malvaceae Forb Africa
Acmispon americanus var. americanusLotus purshianus
Hosackia americana
Deer vetch Fabaceae Forb North America
Actaea cordifoliaCimicifuga racemosa var. cordifolia
Cimicifuga rubifolia
Heart-leaved black cohosh
Appalachian bugbane
Ranunculaceae Forb Native
Aesculus hippocastanumHorse-chestnut Sapindaceae Tree Europe
Agrimonia parvifloraSwamp agrimony
Harvestlice
Rosaceae Forb Native
Agrostis hyemalisWinter bent grass
Hair grass
Poaceae Grasslike Native
Alcea roseaAlthaea roseaHollyhock Malvaceae Forb Europe
Ambrosia trifidaAmbrosia trifida texana
Ambrosia trifida var. texana
Horseweed
Giant ragweed
Great ragweed
Asteraceae Forb
Ambrosia x helenaeHybrid ragweed
Helen ragweed
Asteraceae
Amphicarpaea bracteataAmphicarpaea bracteata var. bracteata
Amphicarpa bracteata
Hog peanut
American hog-peanut
Upland hog peanut
Fabaceae Vine Native
Amphicarpaea bracteata var. comosaAmphicarpa bracteata comosa
Amphicarpa bracteata var. comosa
Amphicarpa comosa
Amphicarpa pitcheri
Lowland hog peanut
Hog peanut
Fabaceae Vine Native
Andropogon halliiHall's bluestem
Sand bluestem
Poaceae Grasslike Native
Antennaria howellii ssp. neodioica Antennaria howellii
Antennaria neglecta attenuata
Antennaria howellii ssp. neodioica
Pussy-toes
Howell's pussytoes
Small pussytoes
Asteraceae Forb Native
Anthoxanthum hirtumHierochloe hirta ssp. hirta
Hierochloe odorata
Vanilla grass
Hairy sweetgrass
Sweet grass
Poaceae Grasslike Native
Apocynum x floribundumApocynum x mediumHybrid dogbane
Intermediate dogbane
Apocynaceae Forb Native
Arabis hirsutaArabis hirsuta glabrata
Arabis pycnocarpa
Arabis hirsuta var. glabrata
Arabis hirsuta pycnocarpa
Arabis hirsuta var. pycnocarpa
Arabis hirsuta adpressipilis
Hairy eared rockcress
Hairy rock cress
HAIRY ROCK CRESS
Rock cress
Brassicaceae Forb Native
Aralia spinosaDevil's walking stick
Hercules' club
Araliaceae Tree
Shrub
Native
Armoracia rusticanaArmoracia lapathifolia
Cochlearia armoracia
Rorippa armoracia
Nasturtium armoracia
Radicula armoracia
Horseradish Brassicaceae Forb Europe
Artemisia vulgarisCommon mugwort
Hierba de san juan
Asteraceae Forb Europe
Arthraxon hispidus Hairy jointgrass
Small carpgrass
Poaceae

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