Global InformationErysimum asperum information
| Erysimum asperum | |
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| In bloom | |
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| Watercolor by Margaret Neilson Armstrong | |
Conservation status
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 Secure (NatureServe)[1] | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Erysimum |
| Species: | E. asperum
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| Binomial name | |
| Erysimum asperum (Nutt.) DC.
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| Synonyms[2] | |
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List
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Erysimum asperum, the western wallflower (a name it shares with Erysimum capitatum), is a species of flowering plant in the family Brassicaceae.[2][3][4] It is native to west-central Canada, the west-central United States, and northern Mexico; in grasslands generally east of the Continental Divide and west of the Mississippi.[2][5] It is a member of the Erysimum asperum-E. capitatum species complex.[5]
- ^ NatureServe (2023). "Erysimum asperum". Arlington, Virginia. Retrieved 5 December 2023.
- ^ a b c "Erysimum asperum (Nutt.) DC". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 20 April 2022.
- ^ "Erysimum asperum (Western Wallflower)". MinnesotaWildflowers.info. Minnesota Wildflowers. 2022. Retrieved 20 April 2022.
- ^ "Erysimum asperum American cress". The Royal Horticultural Society. 2022. Retrieved 20 April 2022.
Other common names; false wallflower, orange mustard, western wallflower, garlic mustard [2]. Synonyms; Cheiranthus asperus
- ^ a b Turner, B. L. (2006). "Taxonomy and nomenclature of the Erysimum asperum-E. capitatum complex (Brassicaceae)". Phytologia. 88: 279–287. doi:10.5962/bhl.part.10454.