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Helianthus nuttallii
Nuttall's sunflower Aster Family
Helianthus nuttallii Asteraceae
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common name
  Nuttall's sunflower
accepted scientific name
  Helianthus nuttallii Torr. & A. Gray
rules for finding collection records
  Helianthus nuttallii (983)
family name
  Asteraceae
Image Author: ©2004 Brent Miller
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is about 2 inches
Number of ray petals: 10 to 21
Leaf: Alternate, Opposite
Plant Observed beginning of June thru 3rd week of October

How Likely at this Location (29%)
Name Match (100%)
Plant Showiness (81%)
Links to Plant Photos
Cal Photos (25)
J. Reveal (4)
East Colorado Wildflowers (4)
Wikimedia Commons (1)
base map where plant found

Riparian
Wetland
Meadow
Disturbed
grid lines base