common burdock
Aster Family
Arctium minus
Asteraceae
--more--
common names
common burdock
lesser burrdock
burweed
louse-bur
button-bur
cuckoo-button
wild rhubarb
accepted scientific name
Arctium minus
Bernh.
rules for finding collection records
Arctium minus (2516)
exclude Arctium minus nemorosum
family name
Asteraceae
| Image Author: ©2010 Barry Breckling
Image License: CC BY-NC-SA
Image Source
Image Source
Category: Wildflowers
Flowers: No obvious petals, Many petals
Petal colors: 
Flower size is .6 to 1. inches
Leaf: Basal
Plant Observed 2nd week of May thru 3rd week of October
Not Native, Invasive in CO, WY
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