[Yellowcresses: The Genus Rorippa in the Columbia River Gorge of Oregon and Washington]

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress

Rorippa columbiae

Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia yellowcress as seen along the Columbia River shoreline in the Columbia River Gorge...........from September 13 and September 26, 2013.

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia yellowcress as seen along the Columbia River shoreline in the Columbia River Gorge...........from September 13 and September 26, 2013. Columbia yellowcress does not appear to be a prolific flowerer and seed producer. Instead it seems to mainly reproduce via rhizomatous growth.

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Columbia yellowcress as seen along the Columbia River shoreline in the Columbia River Gorge........September 7, 2018.

Habitat of Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Habitat of Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Habitat of Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Habitat views of Columbia yellowcress as seen along the Columbia River shoreline in the Columbia River Gorge...........from September 13 and September 26, 2013.

Columbia River shoreline habitat of Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae) - Columbia River shoreline habitat of Columbia Cress, Columbia Yellowcress, Columbian Yellowcress: Rorippa columbiae (Synonyms: Nasturtium columbiae, Nasturtium sinuatum, Nasturtium sinuatum var. columbiae, Radicula columbiae, Rorippa calycina, Rorippa calycina var. columbiae, Rorippa sinuata var. columbiae)

Additional habitat views for Columbia yellowcress as seen along the Washington side of the Columbia River about 20 miles east.........September 27, 2014.

Paul Slichter