[Wallflowers: The Genus Erysimum East of the Cascade Mountains of Oregon and Washington]

Treacle Mustard, Wormseed Mustard

Erysimum cheiranthoides

Synonyms: Cheiranthus cheiranthoides, Cheirnia cheiranthoides

Treacle Mustard, Wormseed Mustard: Erysimum cheiranthoides (Cheiranthus cheiranthoides, Cheirnia cheiranthoides) - Inflorescence of Treacle Mustard, Wormseed Mustard: Erysimum cheiranthoides (Cheiranthus cheiranthoides, Cheirnia cheiranthoides) - Treacle Mustard, Wormseed Mustard: Erysimum cheiranthoides (Cheiranthus cheiranthoides, Cheirnia cheiranthoides)

Wormseed mustard blooming in a drying swale along the Stubblefield Trail about three-quarters of a mile northwest of Stubblefield Lake, Turnbull National Wildlife Refuge.......July 4, 2018.
Paul Slichter