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horseweed
Conyza canadensis
horseweed Aster Family
Conyza canadensis Asteraceae
--more--
common names
  horseweed
  Canadian Fleabane
accepted scientific name
  Conyza canadensis (L.) Cronquist
rules for finding collection records
  Conyza canadensis (101)
  Erigeron canadensis (5)
  Erigeron pusillus (0)
family name
  Asteraceae
Image Author: ©2009 H. Zell
Image License: CC BY-SA
Image Source Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is about 0.1 inches
Number of ray petals: 20 to 45
Leaf: Alternate
Plant Observed All Year
Naturalized in Hawaii. Native to North America.

How Likely at this Location (30%)
Name Match (100%)
Plant Showiness (27%)
where plant found
mag select
grid lines base