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Bransford, W.D. and Dolphia
Prenanthes altissima L.
Tall rattlesnakeroot, Tall white lettuce
Synonym(s): Nabalus altissimus, Prenanthes altissima var. cinnamomea
USDA Symbol: PRAL3
USDA Native Status: L48 (N), CAN (N)
Tall White Lettuce (Prenanthes altissima) has only 5 main bracts surrounding the flower heads.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Color: Yellow , Green
Bloom Time: Aug , Sep , Oct , Nov
, WV Canada: MB
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2012-08-20
Research By: TWC Staff