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Helianthus X laetiflorus
cheerful sunflower Aster Family
Helianthus × laetiflorus Asteraceae
common names
  cheerful sunflower
  mountain sunflower
accepted scientific name
  Helianthus × laetiflorus Pers. (pro sp.)
rules for finding collection records
  Helianthus × laetiflorus (280)
  Helianthus laetiflorus (174)
  Helianthus scaberrimus (14)
family name
Image Author: ©2012 Alan Cressler
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 2. to 3.5 inches
Number of ray petals: 10 to 21
Leaf: Alternate
Plant Observed 3rd week of July thru 2nd week of October

How Likely at this Location (19%)
Name Match (100%)
Plant Showiness (90%)
base map where plant found
mag select

grid lines base