Leavenworthia crassa Rollins Dataset Update on the Brassicaceae Species Checklist Rank SPECIES Published in Rollins, R.C. Contr. Gray Herb. 192: 62. (1963). Classification family Brassicaceae genus Leavenworthia species Leavenworthia crassa Name Synonyms Leavenworthia crassa var. crassa Rollins Leavenworthia crassa var. elongata Rollins Homonyms Leavenworthia crassa Rollins