Rupertia rigida (Parish) J.W. Grimes Rupertia rigida (Parish) J.W. Grimes in Mem. New York Bot. Gard. 61: 54. 1990 sec. Téllez-Valdés 2009≡Psoralea rigida Parish in Bull. Torrey Bot. Club 19(3): 91-92. 1892 syn. sec. Téllez-Valdés 2009