Pennycresses West of the Cascade Mountains of Oregon and Washington

The Genera Noccaea and Thlaspi

Alpine Pennycress, Rock Pennycress: Noccaea fendleri ssp. glauca (Synonyms: Noccaea glauca, Thlaspi alpestre, Thlaspi alpestre var. glaucum, Thlaspi fendleri var. glaucum, Thlaspi montanum var. montanum)

Siskiyou Pennycress: Noccaea fendleri ssp. siskiyouensis (Synonym: Thlaspi montanum var. siskiyouense) -

Fanweed, Field Pennycress, Pennycress, Stinkweed: Thlaspi arvense -