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Prenanthes altissima
tall white lettuce Aster Family
Prenanthes altissima Asteraceae
common names
  tall white lettuce
  tall rattlesnakeroot
accepted scientific name
  Prenanthes altissima L.
rules for finding collection records
  Nabalus altissimus (258)
  Prenanthes altissima (1555)
family name
Image Author: ©2010 Louis-M. Landry
Image License: Author's permission
Image Source Image Source
Category: Wildflowers
Flowers: Five petals, Six petals
Petal colors: color color color
Flower size is .5 to .75 inches
Number of ray petals: 5 to 6
Leaf: Alternate
Plant Observed beginning of July thru 1st week of November

How Likely at this Location (43%)
Name Match (100%)
Plant Showiness (45%)
base map where plant found
mag select

grid lines base