Physaria geyeri subsp. purpurea (Rollins) O'Kane Dataset Update on the Brassicaceae Species Checklist Rank SUBSPECIES Published in O'Kane, S.L. Novon 17: 380. (2007). Classification family Brassicaceae genus Physaria Name Synonyms Physaria geyeri var. purpurea Rollins Homonyms Physaria geyeri var. purpurea Rollins Physaria geyeri subsp. purpurea (Rollins) O'Kane