Hypogymnia in the Himalayas of India and Nepal

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 chemis...

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Bibliographic Details
Published in:The Lichenologist (London) 2012-09, Vol.44 (5), p.595-609
Main Authors: McCUNE, B., DIVAKAR, P. K., UPRETI, D. K.
Format: Article
Language:English
Subjects:
Acids
chemical composition
Hypogymnia
Hypogymnia bitteri
lichens
new species
taxonomic keys
usnic acid
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Summary: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.
ISSN:0024-2829
1096-1135
1096-1135
DOI:10.1017/S0024282912000321