McCune, B./ P. K. Divakar/ D. K. Upreti 2012: Hypogymnia in the Himalayas of India and Nepal. - Lichenologist 44(5): 595-609. [RLL List # 228 / Rec.# 34097]
Abstract: Morphological and chemical studies of Hypogymnia from the Himalayas revealed one new species, three species new to the region, and a previously unrecognized synonym. Hypogymnia crystallina, distinguished by its rimmed holes in the lobe axils, a pruinose disc, POL+ epihymenium, and distinctive chemistry (zeorin, hypoprotocetraric acid, usnic acid and atranorin) is described as new. Hypogymnia pseudohypotrypa (Asah.) A. Singh is synonymized with H. thomsoniana and a second location is reported for the recently described H. sikkimensis. Hypogymnia bitteri, H. mundata, and H. subarticulata are reported as new to India. A total of 17 species of the genus Hypogymnia are accepted for the Himalayan region of India and Nepal, with one additional species from southern India. A key is given to the species known from this region.
Notes: New species: Hypogymnia crystallina McCune, Divakar & Upreti
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