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Ambrosia acanthicarpa
flat-spine bur ragweed Aster Family
Ambrosia acanthicarpa Asteraceae
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common names
  flat-spine bur ragweed
  annual burrweed
  annual bur-sage
accepted scientific name
  Ambrosia acanthicarpa Hook.
rules for finding collection records
  Ambrosia acanthicarpa (1952)
  Franseria acanthicarpa (54)
family name
  Asteraceae
Image Author: ©2009 Barry Breckling
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors: color color
Leaf: Alternate
Plant Observed 2nd week of May thru end of December

How Likely at this Location (51%)
Name Match (100%)
Plant Showiness (36%)
base map where plant found

Disturbed
Desert
Riparian
Sand
Forest
Grassland
Brush
grid lines base