in Bulletin of the British Museum (Natural History), Botany Series 16 (2): 185 - 188.
Basionym: xxx.
Synonym: Index Fungorum
Type: xxx.
Thallus: Corticolous, green to pale green, caespitose, erect l - 2 (- 3) cm high; branching subdichotomous or irregular; branch width 1 - 3 mm, branches hollow, terete, inflated and perforate; perforations round to elongate, medullary hyphae continuous, loosely woven across central cavity or compressed against the inner cortex wall either loosely or densely; surface matt to shiny, smooth, rarely pseudocyphellate; holdfast delimited; soralia absent. Apothecia common, terminal on main branches and on short subapical lateral branches, often spurred; disc 2 - 5 mm diam., always concave initially, innate at branch apices, becoming plane at maturity; margin entire, thin often indistinct; spores broadly ellipsoid, straight or curved, 12 - 16 x 4 - 5 (- 6) µm.
Photobiont:
Chemistry: Divaricatic acid, ± nordivaricatic acid, ± sekikaic acid, and usnic acid.
Ecology: The distribution of this species extends along the warm to cool temperate section of the eastern and south-eastern Australian coastal belt and into the cool/cold temperate region of Tasmania. The most northern occurrence of this taxon is in the mountains at elevations of 1000 m in the area 28° - 30° S latitude. It grows on Acacia in open forest communities growing on metamorphic rock.
Molecular data: Genbank
Distribution: Database
Note: