Patagonia Wildflowers
Wildflower Identification
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slimleaf bur ragweed
Ambrosia tenuifolia
Ambrosia tenuifolia
slimleaf bur ragweed Aster Family
Ambrosia tenuifolia Asteraceae
--show more--
English common names
  •slimleaf bur ragweed
  •false ragweed
Spanish common names
common name
  •ambrósia (Brazil)
accepted scientific name
  •Ambrosia tenuifolia Spreng.
rules for finding collection records
  •Ambrosia tenuifolia (277)
family name
  • Asteraceae
Image Author: ©2011 Angelo A. Schneider, Flora Digital
Image License: Non-commercial with attribution
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors: color
Flower size is about 0.1 inches
Leaf: Alternate, Opposite, Compound
Plant Observed 2nd week of October thru end of May
Native to South America

How Likely at this Location (40%)
Name Match (100%)
Plant Showiness (27%)
Links to Plant Descriptions
Instituto Darwinion (38)
Wikipedia Español
Flora Bonaerense (4)
Links to Plant Photos
iNaturalist (22)
Flora de Santa Catarina (11)
Flora Uruguay (5) (2)
base map where plant found
mag select
grid lines base