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Photographer: Emmet J. Judziewicz
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Family Asteraceae
Conyza canadensis (L.) Cronquist var. canadensis
Canadian horseweed, fleabane, hogweed
Conyza: derived from the Greek word for flea konops, and used by Pliny as a name for some kind of a fleabane
canadensis: of or referring to Canada
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| Status: | Native |
| Plant: | erect, annual, 3"-60" tall forb, mostly unbranched to the inflorescence; stems often slightly hairy |
| Flower: | head 3/16" wide with 25-40 white to pinkish disk flowers; inflorescence of many small heads in a long, large open cluster; blooms July-Oct. |
| Fruit: | dry seed on fluffy pappus |
| Leaf: | many alternate, slightly hairy, linear leaves, the lower leaves usually toothed, getting progressively smaller toward the top |
| Habitat: | disturbed sites |
| (Glossary) |
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 Cronquist var. canadensis&phog=Botanical Illustration&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Botanical Illustration&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Botanical Illustration&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Emmet J. Judziewicz&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Merel R. Black&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Merel R. Black&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Merel R. Black&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Christopher Noll&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Christopher Noll&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Robert Bierman&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Robert W. Freckmann&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Steve C. Garske&spcode=CONCANvCAN)
 Cronquist var. canadensis&phog=Steve C. Garske&spcode=CONCANvCAN)
