Alyssum umbellatum Desv. Dataset Update on the Brassicaceae Species Checklist Rank SPECIES Published in Desvaux, N.A. J. Bot. Agric. 3: 173, 184. (1815). Classification family Brassicaceae genus Alyssum species Alyssum umbellatum Name Synonyms Alyssum brachystachyum M.Bieb. Alyssum campestre var. subumbellatum Rech.f. Alyssum xiphocarpum P.Candargy Homonyms Alyssum umbellatum Desv.