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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 (111)
  Ambrosia cumanensis (48)
  Ambrosia psilostachya (3321)
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 3rd week of May thru 1st week of December
Native

How Likely at this Location (78%)
Name Match (100%)
Plant Showiness (27%)
base map where plant found

Riparian
Disturbed
Grassland
Sand
Forest
Brush
Desert
grid lines base