Silva-Filho u.a.
Sydowia Vol. 72 E-Book/S 163-170
Rhodocybe fusipes (Entolomataceae), a new species...
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In: Sydowia 72, (2020): 163-170, ISSN 0082-0598, DOI 10.12905/0380.sydowia72-2020-0163, Published online on July 06, 2020

Rhodocybe fusipes (Entolomataceae), a new species from Amazonian ‘terra-firme’ forest of Brazil

Alexandre G. S. Silva-Filho1,*, Timothy J. Baroni2,Dirce L. Komura3, Jean-Marc Moncalvo4,
Iuri G. Baseia1,5 & Felipe Wartchow1,6
1 Programa de Po´s-Graduac¸ão em Sistema´tica e Evoluc¸ão, Universidade Federal do Rio Grande do Norte, Natal,
Rio Grande do Norte, Brazil
2 Department of Biological Sciences, State University of New York–College at Cortland, Cortland, New York, USA
3 Instituto Nacional de Pesquisas da Amazônia (INPA), Departamento de Biodiversidade (CBio),
Manaus, Amazonas, Brazil
4 Department of Natural History, Royal Ontario Museum & Department of Ecology and Evolutionary Biology,
University of Toronto, Toronto, Canada
5 Departamento de Botânica e Zoologia, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
6 Programa de Po´s-Graduac¸ão em Sistema´tica e Evoluc¸ão, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil
* e-mail: silvafilhoags@gmail.com

Silva-Filho A.G.S., Baroni T.J., Komura D.L., Moncalvo J.-M., Baseia I.G. & Wartchow F. (2020) Rhodocybe fusipes (Entolomataceae),
a new species from Amazonian ‘terra-firme’ Forest of Brazil. – Sydowia 72: 163–170.
Rhodocybe fusipes (Entolomataceae) is described as a new taxon belonging to sect. Rufrobrunnea. The specimens were found
in the Amazon rain forest of Brazil, growing on soil, among litterfall. This new species is morphologically characterized by its
clitocyboid habit, reddish orange pileus, close lamellae, contrasting white, fusiform stipe with radicant base, globose to short ellipsoid
basidiospores, absence of cystidia and by a cutis-like pileipellis. Molecular data (nrITS) support the recognition of this
new species.

Keywords: Agaricales, Basidiomycota, rDNA ITS, molecular phylogeny, Neotropical fungi, taxonomy. 1 new species.
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