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Helianthus occidentalis
western sunflower Aster Family
Helianthus occidentalis Asteraceae
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common names
  western sunflower
  fewleaf sunflower
accepted scientific name
  Helianthus occidentalis Riddell
rules for finding collection records
  Helianthus occidentalis (975)
family name
  Asteraceae
Image Author: ©2008 Darel Hess, Bioimages
Image License: CC BY-NC-SA
Image Source Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 1.5 to 2.5 inches
Number of ray petals: 8 to 22
Leaf: Opposite, Basal
Plant Observed last week of June thru 3rd week of October

How Likely at this Location (30%)
Name Match (100%)
Plant Showiness (72%)
base map where plant found
mag select

Grassland
Sand
Disturbed
Forest
Native Plant Status
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native Native
native Not Present

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