Brodo. I & Ahti T. (96-12-10)
Terricolous; growing sun-exposed or partially shaded; substrate non-calciferous.
Branches caespitose. Primary Thallus: Evanescent. Secondary Thallus: Present, of indeterminate growth; stipe 40-100 mm high, 2-8 mm wide, lime green, homogeneously coloured, corticate, with longitudinally split or perforated (repeatedly) wall, 200-400 µm thick. Upper Surface: Smooth, byssoid (fibrous).
Only known as sterile, asexually reproducing form.
Psoromic acid and usnic acid, of the following substance class(es): ß-orcinol depsidones.
Spot Tests: Upper surface:
K (negative), C , + deep yellow, or + orange, PD + yellow (at tips of branches).
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