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Rorippa palustris ssp. occidentalis

Rorippa palustris (L.) Besser ssp. occidentalis (S. Watson) Abrams

Bog Yellowcress, Western Bog Yellow Cress, Western Bog Yellowcress

Brassicaceae (Mustard family)

Synonym(s): Rorippa islandica var. occidentalis, Rorippa palustris var. clavata, Rorippa palustris var. occidentalis

USDA Symbol: ROPAO

USDA Native Status: L48 (N), AK (N)

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Plant Characteristics

Duration: Annual , Perennial , Biennial
Habit: Herb
Fruit Type: Silicle , Silique
Size Notes: Up to about 4 feet tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep

Distribution

USA: AK , AZ , CA , ID , MT , NM , NV , OR , TX , WA
Native Habitat: Marshlands, pastures, prairies, meadows, swales, flats, sand bars, wet grounds, stream banks, moist depressions, ditches, estuaries, waste grounds, roadsides, sloughs, shores of lakes and ponds, bogs, thickets, grasslands.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Rorippa palustris ssp. occidentalis in USDA Plants
FNA: Find Rorippa palustris ssp. occidentalis in the Flora of North America (if available)
Google: Search Google for Rorippa palustris ssp. occidentalis

Metadata

Record Modified: 2020-10-27
Research By: CBR

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