⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50245996, with some changes.
This name is a synonym of Lithophragma tenellum var. thompsonii .
The record derives from Tropicos which reports it as a synonym (record 50245996
) with original publication details: Leafl. W. Bot. 4(3): 38-39 38 1944.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:141754-2
.