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Studies on the genus Thysananthus (Marchantiophyta: Lejeuneaceae)1. Thysananthus discretus Sukkharak et Gradst. sp. nov.

Phiangphak SUKKHARAK & S. Robbert GRADSTEIN

en Cryptogamie, Bryologie 31 (2) - Pages 113-119

Published on 30 April 2010

The liverwort, Thysananthus discretus Sukkharak et Gradst. sp. nov. (Lejeuneaceae) is described from Western Melanesia (New Guinea, Solomon Islands). The new species stands out within Thysananthus on account of the leaves when moist clasping the stem, free underleaf bases with the well-developed auricles, and the strongly rigid stems with 14-18 cells wide ventral merophytes.


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SUKKHARAK P. & GRADSTEIN S. R. 2010. — Studies on the genus Thysananthus (Marchantiophyta: Lejeuneaceae)1. Thysananthus discretus Sukkharak et Gradst. sp. nov.. Cryptogamie, Bryologie 2010 (2): 113-119.