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Mycologia. 2014 Jul-Aug;106(4):723-34. doi: 10.3852/13-122. Epub 2014 Jun 2.

New species of Cordana and epitypification of the genus.

Author information

1
Unitat de Micologia, IISPV, Universitat Rovira i Virgili, C/ Sant Llorenç 21, 43201 Reus, Tarragona, Spain.
2
Unitat de Micologia, IISPV, Universitat Rovira i Virgili, C/ Sant Llorenç 21, 43201 Reus, Tarragona, Spain josepa.gene@urv.cat.
3
Instituto de Ecología y Sistemática, Ministerio de Ciencia, Tecnología y Medio Ambiente de Cuba (CITMA), La Habana 19, C.P. 11900, Cuba.
4
CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, the Netherlands.
5
Instituto de Investigaciones Fundamentales en Agricultura Tropical "Alejandro de Humboldt" (INIFAT) Calle 1 Esq. 2, Santiago de Las Vegas, C. Habana, C.P. 17200, Cuba.

Abstract

Two interesting fungi belonging to the genus Cordana have been isolated recently in Spain from plant debris. Both are proposed here as new species, described and illustrated. Cordana mercadiana sp. nov. produces 0-1-septate conidia, with a prominent basal scar. Cordana verruculosa sp. nov. differs from the other species of the genus by its unique combination of aseptate, verruculose and small conidia. Both species are compared morphologically with other species of Cordana and their identities supported by the analysis of rDNA sequences. LSU sequence analysis revealed the congeneric relationship of Cordana and Pseudobotrytis; the members of both genera are in a well supported monophyletic lineage that appears to be related to the Coniochaetales but remains incertae sedis within the Sordariomycetes. To establish nomenclatural stability of the genus Cordana, an isolate of C. pauciseptata is designed here as epitype and the two species of Pseudobotrytis are transferred to Cordana. A dichotomous key is provided to identify the currently accepted species of Cordana.

KEYWORDS:

Porosphaerella; Pseudobotrytis; Sordariomycetes; fungal diversity; plant debris; taxonomy

PMID:
24891420
DOI:
10.3852/13-122
[Indexed for MEDLINE]

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