Wildflower Identification Website
Search for wildflowers by location, color, shape and time
Click here for Instructions
Erigeron canadensis
Erigeron canadensis
horseweed Aster Family
Erigeron canadensis Asteraceae
common names
  Canadian Fleabane
accepted scientific name
  Erigeron canadensis L.
rules for finding collection records
  Conyza canadensis (98)
  Erigeron canadensis (14)
  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 (22%)
Name Match (100%)
Plant Showiness (27%)
where plant found
mag select

grid lines base


Accepted Scientific Name

Erigeron canadensis   L.   (TSN: 37113, Index: 643)

Scientific Names used to access collection records

To remove a rule, make the line blank.
To enter two rules in a box put a comma between them.

Common Names

To remove a name, make the line blank. To add multiple names on one line put a comma between them. Do not capitalize the words in common names unless they are a person or place. (Bad: Pink Rose) (Good: Pink's rose)

Family Names