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Hypotrachyna parasinuosa Sipman & Palice
Nomenclature
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Family: ParmeliaceaeGenus: Hypotrachyna
SUMMARY
Mycobank MB 517786
Thallus foliose, corticolous, ca. 5 cm wide, loosely adnate, not coriaceous, dichotomously to subdichotomously lobate, ciliate. Lobes sublinear to subirregular, mostly separate, 2–3 mm wide, plane to slightly convex, with subtruncate apices. Upper surface greenish yellow with usually a black marginal rim, slightly shiny, epruinose, emaculate, sorediate, lacking isidia, pustules, dactyls or lobules. Soralia apical or subapical, more or less capitate or spreading over the surface, pale yellow but becoming blackened with age, with granular soredia ca. 60 µm in diam. Medulla white. Lower surface black, paler and brown at the lobe tips. Rhizines absent. Marginal cilia present, black, somewhat dendroid, 1–2 mm long, near the base about 0.2 mm thick, 1–3 times furcately branched. Apothecia and pycnidia not seen. Secondary chemistry: upper cortex K–, C–, KC+ yellow, P–, UV–; medulla K+ yellow turning red, C–, KC–, P+ orange-red, UV–; upper cortex with usnic acid (minor), medulla with salazinic acid (major), consalazinic acid (minor), norstictic acid (trace) and protocetraric acid (trace) (HPLC by J. A. Elix).