Op. Bot. 42: 86 (1977).

Basionym: Alectoria glabra Motyka, (1960).

6: 448 (1960). TYPE: USA, Washington, Olympic Peninsula, Clallam Co., Hurricane Ridge, 5 800 ft, 1950 Brown & Muenscher 129 (US holotype). Thallus pendent, to 15 cm, brown, sometimes oliveaceous brown, occasionally with blackened fragmentation areas, shiny. Branching regular, without distinct main branches, even, angles between branches obtuse and rounded, 0.2- 0.4 mm diam. Soralia frequent, usually ?ssural, often regularly oval, white. Pseudocyphellae rare, inconspicuous. Apothecia and condiomata unknown in the Nordic countries. Chemistry: Cortex and medulla PD—. Soralia PD+ red; fumarprotocetraric acid. Habitat: Corticolous, especially on conifers but also on Betula in humid spruce forests. Distribution: Not uncommon in central Norway, rare in Finland, but insuf?ciently known. Europe, Asia, North America (mainly western). -->