Sibara viereckii (O.E.Schulz) Rollins Dataset Update on the Brassicaceae Species Checklist Rank SPECIES Published in Rollins, R.C. Rhodora 43: 481. (1941). Classification family Brassicaceae genus Phravenia species Phravenia viereckii Name Homonyms Sibara viereckii (O.E.Schulz) Rollins