The Physaria species which occur in Utah are revised. This study is based on the treatment of this genus by Rollins (1939) and Mulligen (1967). Keys, descriptions, distribution maps, herbarium specimen citations, and discussions of the taxonomy of the genus are presented.
Waite, Sheldon B.
"A taxonomic revision of Physaria (Cruciferae) in Utah,"
Great Basin Naturalist: Vol. 33
, Article 5.
Available at: http://scholarsarchive.byu.edu/gbn/vol33/iss1/5