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western ragweed
Ambrosia psilostachya
western ragweed Aster Family
Ambrosia psilostachya Asteraceae
--more--
common names
  western ragweed
  Cuman ragweed
  perennial ragweed
accepted scientific name
  Ambrosia psilostachya DC.
rules for finding collection records
  Ambrosia coronopifolia (117)
  Ambrosia cumanensis (52)
  Ambrosia psilostachya (4926)
family name
  Asteraceae
Image Author: ©2012 Richard Spellenberg
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors: color color
Leaf: Alternate, Opposite
Plant Observed 2nd week of April thru 1st week of December

How Likely at this Location (82%)
Name Match (100%)
Plant Showiness (27%)
base map where plant found
mag select

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

grid lines base