Sandbergia perplexa (L.F. Hend.) Al-Shehbaz var. perplexa
Idaho: Idaho County: [locality and coordinates withheld; status in Idaho: S3 (Rare; IDNHP)],
Loose, degraded basalt gravel derived from Imnaha series basalt. Associated taxa: Physaria oregana, Amelanchier alnifolia, Cirsium hookerianum, Castilleja hispida, Cercocarpus ledophyllus.
Curtis R. Bjork 4239, May 22, 1999
WS, Accession: 352792