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Taxon Pages
Hypotrachyna indica Divakar, Lumbsch, Upreti & A. Crespo
Nomenclature
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Family: ParmeliaceaeGenus: Hypotrachyna
SUMMARY
Mycobank MB 518238
Thallus corticolous, adnate, small, to 5 cm across. Lobes short, sublinear, dichotomously branched with truncate apices, 0.5–2 mm wide. Upper surface greenish grey, dull, strongly white-maculate, sometimes reticulate near lobe apices, pustulate, without soredia and isidia; upper cortex fragile and flaking, with blackened, eroded areas. Pustules subterminal, erupting apically, not forming soredia but may shed corticated granules from open pustule margins. Medulla white. Lower surface black with narrow brown margins, rhizinate, rhizines richly dichotomously branched, to 1.5 mm long. Apothecia and pycnidia not seen. Secondary chemistry: Cortex K+ yellow; medulla K–, C–, KC+ orange, P–; containing atranorin, barbatic acid, 4-O-demethylbarbatic acid, obtusatic acid and norobtusatic acid (trace).