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Abstract Detail

Bryological and Lichenological Section/ABLS

Carter, Ben [1], Larraín, Juan [2], Shaw, Blanka [3], Shaw, Jonathan [4], von Konrat, Matt [2].

Diversification across continents and within islands in a southern hemisphere liverwort clade.

Frullania subgenus Microfrullania is a leafy liverwort clade with representatives in southern South America, Oceania and the Malay Archipelago. We used molecular sequence data from more than 250 individuals to test species circumscriptions, determine evolutionary relationships and investigate biogeographic patterns within and among species. Several new species were discovered and the dense sampling allowed a fine-scaled interpretation of the importance of dispersal and isolation across individual islands, archipelagos and among continents. Despite a mostly Gondwanan distribution, we found evidence for multiple trans-Pacific dispersal events as well as examples of more localized diversification.

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1 - Duke University, Dept. of Biology, Box 90338, Durham, NC, 27708, USA
2 - The Field Museum, Science and Education, 1400 South Lake Shore Drive, Chicago, IL, 60605, USA
3 - Box 90338, Durham, NC, 27708, USA
4 - 130 Science Drive, Box 90338, Durham, NC, 27708, USA

island biogeography
Species delimitation
molecular phylogeny

Presentation Type: Oral Paper:Papers for Sections
Session: 16
Location: Salon 11/The Shaw Conference Centre
Date: Monday, July 27th, 2015
Time: 3:45 PM
Number: 16009
Abstract ID:762
Candidate for Awards:None

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