in Ahti, Parnmen & Mongkolsuk, Sauteria 15: 17 (2008).

Protolog: Thallus primarius evanescens,squamulis parvis. Podetia 2-3 cm alta, 0.2-0.6 mm crassa, rufescenti-cinerea, apice albescentia, basi aliquantum melanotica, dense aggregata, dichotome inaequaliter ramosa, axes principales non distincti, ramulis ultimis subulatis vel raro scyphoideis, perforatis. Superficies discontinue corticata, esorediata, toto scabrida vel minute microsquamulosa, parce squamulis majoribus. Conidiomata frequentia, terminalia, breviter cylindrica. Apothecia non visa.

Protolog type data: Type: Thailand. Phitsanulok Province: Phu Hin Rong Kla National Park, Lan Hin Pum, alt. 1000 m, on soil in lower montane oak forest, 16°59'14"N, 100°59'50"E, 1.V.2005, S. Parnmen 251 (RAMK, holotype; H, isotype). Chemistry: K- (to brownish-yellow), PD+ red; contains fumarprotocetrraric acid (major), protocetraric acid (minor) and confumarprotocetraric (minor) (TLC).

Type locality: Thailand, Phitsanulok Province, Phu Hin Rong Kla National Park, Lan Hin Pum, on soil in lower montane oak forest, 1000 m, 1.5.2005, S. Parnmen 251 (RAMK - holotype; H - isotype).

Type locality coordinates: 16°59'14"N, 100°59'50"E.

Molecular barcode: Data lacking.

Thallus: Primary thallus evanescent, consisting of very small, whitish squamules 1-2 mm wide. ... (Ahti et al. 2008: 17).