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Abstract Detail


Systematics Section

Neubig, Kurt [1], Talley, Sharon [2], Abbott, J. Richard [3], Germain-Aubrey, Charlotte [4], Whitten, W. Mark [5].

Phylogenetics and population genetics of the Mikania micrantha complex(Asteraceae).

Using DNA sequences from nrITS, various plastid loci, and 16 microsatelite loci, this project aims to help elucidate the phylogenetic relationships and population genetics of the invasive species Mikania micrantha recently discovered in south Florida. The goals are to help delimit species within this species complex (which includes the native M. scandens), to develop the molecular tools to identify exotic material and, potentially, to locate the point of origin of exotic material in Florida. Preliminary phylogenetic results show that taxonomic delimitation in this species complex is very poor and that M. micrantha is not a monophyletic species. Nonetheless, there exists strong and distinct biogeographic signal among haplotypes, not only in this species, but also its closest relatives. Mikania micrantha is a significant invasive plant in Asia and it could also pose a significant threat to the flora of south Florida because of its aggressive growth rate; therefore, it is important to adequately understand the taxonomic circumscription for accurate identification and subsequent control.

Broader Impacts:


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1 - University of Florida, Department of Biology, Po Box 118526, Gainesville, FL, 32611, USA
2 - USDA-APHIS-PPQ, Center for Plant Health Science and Technology, 2301 Research Blvd., Suite 108, Fort Collins, CO, 80526, USA
3 - University of Florida, Florida Museum of Natural History, PO Box 117800, Gainesville, FL, 32611, USA
4 - University Of Florida, Florida Museum Of Natural History, Soltis Lab., Dickinson Hall . Museum Road, Gainesville, FL, 32611, USA
5 - University Of Florida, Florida Museum Of Natural History, PO BOX 117800, Gainesville, FL, 32611-7800, USA

Keywords:
Asteraceae
invasive plant
Mikania micrantha.

Presentation Type: Poster:Posters for Sections
Session: P
Location: Khorassan Ballroom/Chase Park Plaza
Date: Monday, July 11th, 2011
Time: 5:30 PM
Number: PSY039
Abstract ID:65


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