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Ambrosia chamissonis
silver bur ragweed Aster Family
Ambrosia chamissonis Asteraceae
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English common names
  •silver bur ragweed
  •silver beachweed
Spanish common name
  •dicha grande
accepted scientific name
  •Ambrosia chamissonis (Less.) Greene
rules for finding collection records
  •Ambrosia chamissonis (13)
family name
Image Author: ©2010 Jennifer de Graaf
Image License: CC BY-NC
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors: color color
Leaf: Alternate, Opposite, Compound
Plant Observed beginning of September thru first week of May

How Likely at this Location (15%)
Name Match (100%)
Plant Showiness (27%)
Links to Plant Photos
Cal Photos (137)
Paul Slichter (18)
Tony Valois NPS (7)
Wikimedia Commons (6)
SIB-Aysén (1)
base map where plant found

grid lines base