Taxonomic Revision of the Fern Genus Osmolindsaea (Lindsaeaceae)

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Abstract:

Abstract—

The fern genus Osmolindsaea has recently been recognized as separate from Lindsaea on the basis of molecular data. Here we provide a taxonomic revision of Osmolindsaea based on morphological examination of herbarium specimens and molecular phylogenetic analysis of five plastid loci (trnL-trnF, trnH-psbA, rpoC1, rps4, and rps4-trnS). We recognize seven species in the genus, two of which are here described as new to science ( O. latisquama and O. leptolepida ) and three are transferred to this genus from Lindsaea ( O. himalaica , O. minor , and O. plumula ). A key to the species is provided, as well as descriptions, illustrations, synonymy, and a list of examined specimens for each species.

Keywords: Fern systematics; Lindsaea; Madagascar; molecular phylogeny; new species; pteridophytes

Document Type: Research Article

DOI: http://dx.doi.org/10.1600/036364413X674896

Publication date: December 1, 2013

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