Rorippa palustris subsp. hispida (Desv.) Jonsell
Family: Brassicaceae
hispid marsh-cress,  more...
[Brachiolobos hispidus Desv.,  more]
Rorippa palustris subsp. hispida image
from USDA Plants website  
Etymology: Rorippa: an Anglo-Saxon word rorippen whose meaning has been lost
Plants: annual/biennial forb
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