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General:
Common Name: The Brown Lichens. Describes the colour of the upper surface in this genus.
Small to medium stratified foliose lichens (in BC), corticate above and below, nonsorediate, isidiate or not, nonpseudocyphellate, lobes closely appressed (in BC), short to elongate, averaging to 1–3 (–5) mm wide, thin. Upper surface brown, K-, HNO3+ blue-green, dull to shiny. Lower surface black (in BC), shiny, bearing short, simple rhizines. Medulla white. Photobiont green.
Apothecia unknown in B.C. material.
Over rock, or rarely over mosses on rock.
Notes: Neofuscelia is primarily a temperate genus consisting of approximately 60 species worldwide. Ten species occur in North America and three in B.C. Neofuscelia was formerly treated within Parmelia.
Species description:
Upper surface medium brown to dark brown; lobe tips not at all pale checkered/maculate to at most weakly checkered; isidia averaging to less than 0.2 mm wide, never pale checkered; medulla KC- or KC+ pale yellow or reddish (but never dingy orange) AND
Isidia often partly heaped in branching/coralloid masses, these occasionally darker than upper surface; widespread; medulla K-, PD-
Reactions:
Cortex HNO3+ dark blue-green; medulla KC- or KC+ reddish.
Contents:
Divaricatic acid (and stenosporic acid, gyrophoric acid and two unknown substances).
Source: Lichens of British Columbia |
