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Zannichellia palustris L.
Horned pondweed, Horned poolmat, Horned-pondweed
Synonym(s): Zannichellia major, Zannichellia palustris var. major, Zannichellia palustris var. stenophylla
USDA Symbol: ZAPA
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Time: Mar , Apr , May , Jun , Jul , Aug
, WY Canada: NB
Growing ConditionsAquatic: 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: 2007-01-01
Research By: TWC Staff