Descurainia preauxiana var. preauxiana (Webb) Webb ex O.E.Schulz Dataset Update on the Brassicaceae Species Checklist Rank VARIETY Published in Webb, P.B. ex Schulz, O.E. NA Classification family Brassicaceae genus Descurainia Name Synonyms Sisymbrium preauxianum Webb Homonyms Descurainia preauxiana var. preauxiana (Webb) Webb ex O.E.Schulz