]> Eponymy: Rosa pisocarpa A.Gray subsp. ahartii Ertter & W. H. Lewis, Madroño 55(2): 171 (-174; fig. 1). 15 Dec 2008. [collector note: Collected in California: GH, NY] Botany Ahart, Lowell Ahart, Lowell L. Ahart 1938