in Kärnefelt et al., Bryologist 96, 3: 403 (1993).
Basionym: Cetraria islandica δ delisei Bory ex Schaer., xxx: 16 (1850).
Synonym: Index Fungorum
Protolog: Data lacking.
Photobiont: Green alga.
Chemistry: Cortex C, K, KC, PD. Medulla and pseudocyphellae C+ pale reddish, K, KC+ reddish, PD; gyrophoric and hiascic acids.
Ecology: Mainly in wet depressions of bogs or fens, especially in the north, occasionally also on rather exposed rock outcrorps or alpine heaths.
Molecular data: Genbank
Distribution: Common in arctic and alpine regions, scattered or rare in most provinces further south and in lowlands. In Europe also known from Scotland, the Alps and the Carpathians. It has a circumpolar arctic-alpine distribution, but occurs also in Patagonia and New Zealand. Database
Note:
Type locality: Canada, Newfoundland & Labrador ("Terreneuve"), 1828, Despréaux (UPS - lectotype). Lectotypification in Kärnefelt (1979: 68).
Barcode: Available. Data lacking.
Coordinates: Data lacking.