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Paez, Claudia Alejandra [1], Kraisitudomsook, Nattapol [2], Smith, Jason [3], Loyd, Andrew [4], Lindner, Daniel [5], Smith, Matthew [1].

Who am I? Revising the taxonomic placement of Laetiporus persicinus within the Laetiporaceae.

Laetiporus persicinus is a brown rot decay fungus that is widespread with oak trees in the southeastern United States. In this study, we elucidate the phylogenetic relationships of L. persicinus based on Maximum Likelihood and Bayesian inference analyses of a four locus dataset (18S, 28S, RPB2 and TEF1). Our analysis indicates that Laetiporus persicinus does not belong to Laetiporus sensu stricto and we found a strongly supported relationship between L. persicinus and the African species Kusaghiporia usambarensis. Laetiporus persicinus shares many morphological features with K. usambarensis, including centrally stipitate basidiomata, a brown to pinkish pileus surface and a pore layer that bruises when touched. However, K. usambarensis and L. persicinus differ in basidiospore size and shape as well as their geographic distributions.  Based on a combination of morphological, ecological and molecular data we suggest that Laetiporus persicinus should be treated in the genus Kusaghiporia.

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1 - University of Florida, Plant Pathology, 2550 Hull Road, Gainesville, FL, 32607, USA
2 - University of Florida, Plant Pathology, 2550 Hull Road, Fifield Hall 2523, Gainesville, Florida, 32608, United States
3 - University of Florida, School of Forest Resources & Conservation, 136 Newins-Ziegler Hall, Gainesville, Florida, 32611, USA
4 - Bartlett Tree Experts, 13768 Hamilton Rd, Charlotte, NC, 28278, USA
5 - U.S.D.A Forest Service, Madison, Wi, 53726, USA


Presentation Type: Poster
Session: MYP1, Mycology Posters I
Location: /
Date: Monday, July 19th, 2021
Time: 5:00 PM(EDT)
Number: MYP1014
Abstract ID:941
Candidate for Awards:None

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