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Issue: Vol. 635 No. 1: 22 Jan. 2024
Type: Article
Published: 2024-01-22
DOI: 10.11646/phytotaxa.635.1.2
Page range: 43-58
Abstract views: 119
PDF downloaded: 8

Diversity of Hypnea (Rhodophyta) in South Florida, with description of H. spiniformis sp. nov.

Department of Biological Sciences, Florida International University. 11200 SW 8th Street OE-167 Miami, Florida 33199 USA. Institute of the Environment, Florida International University. 11200 SW 8th Street Miami, Florida 33199 USA. Biodiversity Conservation Center, Environmental Research Institute, Av. Miguel Estéfano 3687, 04301-902, São Paulo, Brazil.
Center for Marine Science, University of North Carolina at Wilmington, 5600 Marvin K. Moss Lane, Wilmington, NC 28409, USA.
Department of Biological Sciences, Florida International University. 11200 SW 8th Street OE-167 Miami, Florida 33199 USA.
Department of Biological Sciences, Florida International University. 11200 SW 8th Street OE-167 Miami, Florida 33199 USA. Institute of the Environment, Florida International University. 11200 SW 8th Street Miami, Florida 33199 USA.
Department of Botany, Institute of Biosciences, University of São Paulo. Rua do Matão 277, Cidade Universitária, São Paulo, SP, 05508-090. Brazil.
Department of Biological Sciences, Florida International University. 11200 SW 8th Street OE-167 Miami, Florida 33199 USA. Institute of the Environment, Florida International University. 11200 SW 8th Street Miami, Florida 33199 USA.
Biodiversity Conservation Center, Environmental Research Institute, Av. Miguel Estéfano 3687, 04301-902, São Paulo, Brazil.
Department of Biological Sciences, Florida International University. 11200 SW 8th Street OE-167 Miami, Florida 33199 USA. Institute of the Environment, Florida International University. 11200 SW 8th Street Miami, Florida 33199 USA.
CoI-5P rbc l systematics taxonomy Algae

Abstract

The genus Hypnea is well known to be rich in cryptic species, with many new species being recognized recently based on molecular data. Therefore, we used mitochondrial (COI-5P) and plastid (rbcL) molecular markers, in addition to aspects of morphology, to investigate the diversity of Hypnea on the coast of South Florida. Molecular divergences and phylogenetic inferences indicated that four species were present: H. caraibica and H. cryptica, both new occurrences on the Florida coast; H. musciformis, already previously reported and H. spiniformis sp. nov. described in this work. Our data reinforce the importance of studies with an integrative taxonomy approach to delimit species and correctly identify them.

 

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