[The Mustard Family in the Columbia River Gorge of Oregon and Washington]

Wallflowers of the Columbia River Gorge of Oregon and Washington

The Genus Erysimum

Pale Wallflower: Erysimum occidentale

Pale Wallflower: Erysimum occidentale

Cascade Wallflower, Sand-dwelling Wallflower: Erysimum arenicola (Synonyms: Erysimum arenicola var. arenicola, Erysimum arenicola var. torulosum, Erysimum perenne var. tephrinum, Erysimum torulosum) - ? From an observation from McCord Creek.

Douglas' Wallflower, Prairie Rocket, Rough Wallflower, Sanddune Wallflower, Western Wallflower Erysimum capitatum var. capitatum (Synonyms: Erysimum arkansanum, Erysimum asperum, Erysimum asperum var. arkansanum, Erysimum asperum var. capitatum, Erysimum capitatum ssp. capitatum, Erysimum capitatum var. stellatum, Erysimum capitatum var. washoense, Erysimum elatum, Erysimum moniliforme, Erysimum wheeleri) -

Wormseed Mustard, Treacle Mustard: Erysimum cheiranthoides (Synonym: Cheirinia cheiranthoides) -

Pale Wallflower, Pale Wall Flower, Western Wallflower Erysimum occidentale (Synonyms: Cheiranthus occidentalis, Cheirinia occidentalis) -

Bushy Wallflower, Repand Wallflower, Spreading Wallflower: Erysimum repandum (Synonym: Cheirinia repanda) -


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