Illinois Natural History Survey - University of Illinois



Showing records 1 - 6 out of 6 matching records
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Scientific Name Synonyms Common Names Family Lifeform Origin Photo
Ambrosia x helenaeHybrid ragweed
Helen ragweed
Asteraceae
Ambrosia artemisiifoliaAmbrosia artemisiifolia elatior
Ambrosia artemisiifolia var. paniculata
Annual ragweed
Roman wormwood
Common ragweed
Asteraceae Forb Native
Ambrosia bidentataLanceleaf ragweed
Southern ragweed
Asteraceae Forb Native
Ambrosia psilostachyaAmbrosia psilostachya var. coronopifoliaWestern ragweed
Perennial ragweed
Asteraceae Forb North America
Ambrosia tomentosaFranseria discolor nutt.False ragweed
Wollyleaf bursage
Asteraceae Forb North America
Ambrosia trifidaAmbrosia trifida texana
Ambrosia trifida var. texana
Horseweed
Giant ragweed
Great ragweed
Asteraceae Forb

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