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Abstract Detail

Conservation Biology

Murin, Paige [1], Ballou, Steven [1], Mandel, Jennifer [2].

Analysis of Morphological and Genotypic Variation Among Populations of Lactuca hirsuta var. sanguinea.

Lactuca hirsuta var. sanguinea Muhl. ex Nutt., commonly known as wild, hairy lettuce, is considered endangered with the only recent documentations being within the state of Massachusetts. The largest known populations have been found growing on Nantucket island. During the summer of 2018, five populations were discovered on Nantucket and morphological measurements were collected along with seeds and leaf tissue from a little over 100 individuals. These data were then used to construct a principle components analysis (PCA) of the morphological variation among individuals, and chloroplast primers as well as nuclear primers were used to distinguish genetic variation among individuals. This data can inform local conservation management groups of rare or uncommon allelic variation within the populations so that money and effort can be allocated more efficiently towards protecting the variation of the species on the island. The populations harboring this variation can be isolated and subsequently protected from human interaction, predation, or any other potential harm.

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1 - University of Memphis, 3720 Alumni Ave, Memphis, Tennessee, 38152, United States
2 - University of Memphis, Biological Sciences Department, Ellington Hall, 3700 Walker Ave, Memphis, TN, 38152, United States

population genetics
Principle Components Analysis

Presentation Type: Poster
Session: P, Conservation Biology Posters
Location: Arizona Ballroom/Starr Pass
Date: Monday, July 29th, 2019
Time: 5:30 PM This poster will be presented at 6:15 pm. The Poster Session runs from 5:30 pm to 7:00 pm. Posters with odd poster numbers are presented at 5:30 pm, and posters with even poster numbers are presented at 6:15 pm.
Number: PCB002
Abstract ID:144
Candidate for Awards:None

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