in Bulletin of the British Museum (Natural History), Botany Series 16 (2): 160 - 161.
Basionym: xxx.
Synonym: Index Fungorum
Type: Australia, Queensland, Lamington Plateau, 9 km N of O'Reillys in rain-forest on Araucaria cunninghamii, alt. 920 m. 27 November 1983, G. N. Stevens 3730 (MEL 1048085!).
Thallus: Corticolous, green-grey, pendulous or decumbent, up to 20 cm long; branching predominantly dichotomous, curving at the axils; branches width 0.2 - 0.5 mm, narrow, threadlike, subterete to terete, tapering, apices attenuate and filamentous, often hooked; surface smooth, with linear pseudocyphellae; holdfast small, delimited but branches often attached to the substrate along their length; soralia absent. Apothecia uncommon, lateral sessile, disc 0.5 - 1.0 mm diam., plane to convex; margin entire; spores ellipsoid to fusiform, straight or rarely curved, 12 - 16 (- 20) x 4 - 6 µm.
Photobiont:
Chemistry: Usnic acid only.
Ecology: This species is rare in occurrence, being known from only a few locations. It occurs profusely at Jimna State Forest (26°40'S) and at Lamington Plateau (28°15'S) at elevations between 600 - 900 m.
Molecular data: Genbank
Distribution: Database
Note: