Robert W. Freckmann Herbarium


Because of technology changes and personnel changes at UWSP and the Wisconsin State Herbarium, the database of plant species housed at this site was merged with the database from the OLD WisFlora website to create a new Flora of Wisconsin website at Currently we are encouraging all Wisplant viewers to begin using the Flora of Wisconsin website as soon as possible. Wisplants will remain operational through July 13th. After that date, all traffic to Wisplants will be redirected to the Flora of Wisconsin website.

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  Rorippa palustris (L.) Besser image
Photographer: Emmet J. Judziewicz           

Corey Raimond

Corey Raimond
Family Brassicaceae
Rorippa palustris (L.) Besser
bog yellow-cress, common yellow-cress
Rorippa: an Anglo-Saxon word rorippen whose meaning has been lost
palustris: "of marshes"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, annual/biennial, 18"-40" tall forb, larger plants with many branches; taprooted
Flower: yellow, 4-parted, 1/8"-3/8" long, petals about the same length as the sepals; inflorescence a loose cluster (raceme) of stalked flowers; blooms May-Oct.
Fruit:longish, plump pods about 2 times as long as its stalk
Leaf:lower leaves pinnately-divided; middle leaves with distinct wings and lobes toward the base, appearing stalkless
Habitat: generally in wetlands

More Information Natural Communities Herbarium Specimens
All Rorippa list Google- Images or Text

Flora of North America (off site)
(for list of synonyms - see the subspecies)

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