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Abstract Detail


Tessler, Michael [1], Struwe, Lena [1].

Hymenodon (Orthodontiaceae): exploring evolution and disjunction in a tropical moss genus.

A revision of the moss genus Hymenodon (Orthodontiaceae: Bryophyta) is presented based on morphological and molecular data. Currently six species are recognized along with two subspecific taxa; the majority of the taxa reside in Australasia (Malesia, southeastern Australia, Tasmania, New Zealand, and New Caledonia), while two species are found only in the Neotropics (one in southeastern Brazil and one in the Caribbean). Like many genera in the Orthodontiaceae, all Hymenodon species preferentially grow on tree-fern root mantles. The current species concepts are tested using detailed morphological analyses, and evolutionary patterns are evaluated using phylogenetic analyses that incorporate both morphological and molecular techniques. Additionally, taxonomic history, synonyms, and both a dichotomous and online multi-entry key to the species are provided, as well as detailed species descriptions, distribution information, and ecological information.

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1 - Rutgers University, Department of Ecology, Evolution, & Natural Resources, 237 Foran Hall, 59 Dudley Road, New Brunswick, NJ, 08901, USA

Keywords:
phylogeny
Biogeography
tropical disjunct
Bryophyta.

Presentation Type: Array
Session: TBA
Location: 554A/Convention Center
Date: Monday, August 2nd, 2010
Time: 2:00 PM
Number: 001
Abstract ID:251


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