Alyssum calycinum Haens. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Alyssum species Alyssum alyssoides Name Homonyms Alyssum calycinum L. Alyssum calycinum Haens. ex Nyman Alyssum calycinum Pall. ex DC. Alyssum calycinum Haens. Alyssum calycinum Pall.