Cheiranthus ×marshallii Stark Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Erysimum species Erysimum marshallii Name Homonyms Cheiranthus ×marshallii Stark ex T.Moore Cheiranthus ×marshallii Stark Cheiranthus ×marshallii Henfr.