⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-29101202, with some changes.
This name is a synonym of Lithophragma parviflorum (Hook.) Nutt..
The record derives from Tropicos which reports it as a synonym (record 29101202) with original publication details: Fl. Bor.-Amer. 1(5): 239-240, pl. 78, f. A 239 1832.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:323886-2.