[as 'diploschistidina'], in Lumbsch et al., Phytotaxa 18: 104 (2011).
Synonyms: Index Fungorum
Protolog: Species lichenicola, hospes Diploschistes muscorum; sicut Rhizocarpon malenconianum sed thallo crasso flavo et acidum rhizocarpicum continente differt.
Type locality: USA, Oregon, Gilliam County, Fourmile Allotment of Bureau of Land Management, SW of Fourmile Road, with Pseudoroegneria spicata, Poa secunda, and Festuca octoflora, on Diploschistes muscorum on silty soil, summit of low ridge, 258 m, 5.2009, McCune et al. 29990 (OSC - holotype; UPS, US - isotypes).
Type locality coordinates: 45°37'N, 120°03'W.
Type: - U.S.A. Oregon: Gilliam County, Fourmile Allotment of Bureau of Land Management, SW of Fourmile Road, 45°37'N, 120°03'W, 258 m, with Pseudoroegneria spicata, Poa secunda, and Festuca octoflora, on Diploschistes muscorum on silty soil, summit of low ridge, May 2009, McCune et al. 29990 (holotype OSC, isotypes UPS, US).