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Ramalina scoparia Vainio
Family: Ramalinaceae
[Fistulariella scoparia (Vain.) Bowler & Rundel]
Ramalina scoparia image
Lucy Taylor  
Thompson, J., 1984. American Arctic Lichens: The Macrolichens.
Thallus branched, tufted, short, 15-25 mm tall, flattened; dichotomously branched, the branches to 1.5 mm broad, the apices acute, the cortex smooth, shining, with no pseudocyphellae, maculiform soralia toward the ends of the lobes; the cortex with abundant yellow granules, 20-30 µ thick; medulla partly hollow, partly very lax. Apothecia unknown, black pycnidia common.

Reactions: K — , KC+ , P— .

Contents: Usnic acid, sekikaic acid aggregates (Bowler & Rundell 1977), and possibly also ramalinolic acid (Krog 1968).

This species grows on rocks near the sea. It is amphi-Beringian occurring in Siberia and Alaska.