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Cladonia uncialis subsp. uncialis (L.) Weber ex F.H. Wigg. (redirected from: Cenomyce uncialis)
Family: Cladoniaceae
[Cenomyce uncialis (L.) Ach.,  more]
Cladonia uncialis subsp. uncialis image
Thompson, J., 1984. American Arctic Lichens: The Macrolichens.
Primary thallus not known. Podetia in tufts or mats, 30-60 mm tall, 1-4 mm diameter, cupless; sympodially branched with the upper branches whorled, the branchlets short, dichotomous or in whorls, spinescent, the axils usually perforate; surface smooth, straw-colored to yellowish, inner cartilaginous layer continuous, 40-50 μ thick, the outer cortex 30-60 μ thick. Apothecia not known.

Reactions: K— , C— , KC+ yellowish, P-.

Contents: usnic and hypothamnolic acids.

This species grows on soils rich in humus. It appears to prefer open stands of spruce. It is an amphi-Beringian species known from Japan and Alaska.