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Prenanthes alata
western rattlesnake-root Aster Family
Prenanthes alata Asteraceae
common name
  western rattlesnake-root
accepted scientific name
  Prenanthes alata (Hook.) D. Dietr.
rules for finding collection records
  Nabalus alatus (15)
  Prenanthes alata (143)
  Prenanthes lessingii (1)
  exclude Prenanthes alata sagittata
family name
Image Author: ©2009 Paul Slichter
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is about 1 inch
Number of ray petals: 10 to 15
Leaf: Alternate, Basal
Plant Observed last week of May thru 3rd week of September

How Likely at this Location (12%)
Name Match (100%)
Plant Showiness (45%)
Links to Plant Photos
Wikimedia Commons (14)
Paul Slichter (8)
G.D.Carr (13)
Measurable Photos (5)
Adam Schneider (2)
Cal Photos (2)
base map where plant found
mag select

Native Plant Status
native status map native status map native status map native status map
native Native
native Not Present

grid lines base