Ann. Bot. Fenn. 24: 92 (1987).

Protolog: Data lacking.

Protolog type data: Typus: Tanzania, Tanga Province, Lushoto District, West Usambara Mts, elfin woodland and Philippia heath on the E side ridge of Kilimandege summit in Balangai West Forest Reserve at 1730 m alt., 28 Feb. 1984, A. Borhidi & M. Hedrén 8414/P (VBI - holotypus, O - isitypus, H - photograph).

Type locality: Tanzania, Tanga Province, Lushoto District, West Usambara Mountains, Balangai West Forest Reserve, E side of Kilimandege summit, elfin woodland and Philippia heath on the east side ridge of Kilimandege summit, 1730 m, 28 February 1984, A. Borhidi & M. Hedrén 8414/P (VBI - holotype; O - isotype).

Type locality coordinates: Data lacking.

Molecular barcode: Data lacking.

Thallus: basal squamules not seen. Podetia up to 10 cm high, pale yellow to pale grey-green, repeatedly branched, the branching mainly trichotomous and tetrachotomous, with open axils. Branches 1-1.5-2.5 mm wide, with a discontinuous corticoid layer covering pale green areolae on a white to pale brown, arachnoid background, blackening towards the base. Podetial squamules very rare, about 1 mm long and wide, finely incised. Scyphi absent. Soredia absent. Apothecia brown. Pycnidia brown to blackish-brown, with purple jelly (Ahti et al. 1987: 92).

Photobiont: Data lacking.

Chemistry: Two chemical races.
Thamnolic acid, barbatic acid (+), usnic acid (Ahti et al. 1987: 92).
Thamnolic acid, barbatic acid (Ahti et al. 1987: 92, specimen Pócs 8443/H).

Ecology: Data lacking.

Distribution type: Data lacking.

Taxonomy: Data lacking.

Note:

Distribution Database: Distributions

Distribution Database: Discover Life

Picture Database: Tropical Lichens

Molecular Database: Genbank

Synonym Database: Index Fungorum

Synonym Database: Mycobank