Publication: Fl. N. Amer. 1: 584. 1840.
Origin: Native
Herbarium search: CPNWH
Notes: FNA8: "Lithophragma parviflorum is easily identified throughout its range, although morphological variation is apparent when comparing specimens from different habitats and elevations in western North America. Some authors treat L. trifoliatum as a variety of L. parviflorum."
Last updated 5/25/2020 by David Giblin.