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Conyza canadensis
horseweed Aster Family
Conyza canadensis Asteraceae
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common names
  horseweed
  Canadian Fleabane
accepted scientific name
  Conyza canadensis (L.) Cronquist
rules for finding collection records
  Conyza canadensis (8874)
  Erigeron canadensis (1257)
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 2nd week of May thru 3rd week of November

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

Disturbed
Riparian
Forest
Grassland
Sand
Native Plant Status
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native Native
native Not Present

grid lines base