Mycological Progress

, Volume 10, Issue 4, pp 453–479

Species recognition in Pluteus and Volvopluteus (Pluteaceae, Agaricales): morphology, geography and phylogeny

  • Alfredo Justo
  • Andrew M. Minnis
  • Stefano Ghignone
  • Nelson MenolliJr.
  • Marina Capelari
  • Olivia Rodríguez
  • Ekaterina Malysheva
  • Marco Contu
  • Alfredo Vizzini
Original Article

Abstract

The phylogeny of several species-complexes of the genera Pluteus and Volvopluteus (Agaricales, Basidiomycota) was investigated using molecular data (ITS) and the consequences for taxonomy, nomenclature and morphological species recognition in these groups were evaluated. Conflicts between morphological and molecular delimitation were detected in sect. Pluteus, especially for taxa in the cervinus-petasatus clade with clamp-connections or white basidiocarps. Some species of sect. Celluloderma are apparently widely distributed in Europe, North America and Asia, either with (P. aurantiorugosus, P. chrysophlebius, P. fenzlii, P. phlebophorus) or without (P. romellii) molecular differentiation in collections from different continents. A lectotype and a supporting epitype are designated for Pluteus cervinus, the type species of the genus. The name Pluteus chrysophlebius is accepted as the correct name for the species in sect. Celluloderma, also known under the names P. admirabilis and P. chrysophaeus. A lectotype is designated for the latter. Pluteus saupei and Pluteus heteromarginatus, from the USA, P. castri, from Russia and Japan, and Volvopluteus asiaticus, from Japan, are described as new. A complete description and a new name, Pluteus losulus, are given for the African P. cervinus var. ealaensis. The American Volvopluteus michiganensis is described in detail. Taxonomic comments and a morphology-based key to all known species of Volvopluteus are provided.

Keywords

Biodiversity ITS Phylogeny Pluteus Species delimitation Volvopluteus 

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Copyright information

© German Mycological Society and Springer 2010

Authors and Affiliations

  • Alfredo Justo
    • 1
  • Andrew M. Minnis
    • 2
  • Stefano Ghignone
    • 3
  • Nelson MenolliJr.
    • 4
    • 5
  • Marina Capelari
    • 4
  • Olivia Rodríguez
    • 6
  • Ekaterina Malysheva
    • 7
  • Marco Contu
    • 8
  • Alfredo Vizzini
    • 9
  1. 1.Biology DepartmentClark UniversityWorcesterUSA
  2. 2.Systematic Mycology & Microbiology LaboratoryUSDA-ARSBeltsvilleUSA
  3. 3.Instituto per la Protezione delle PianteCNR Sezione di TorinoTorinoItaly
  4. 4.Núcleo de Pesquisa em MicologiaInstituto de BotânicaSão PauloBrazil
  5. 5.Instituto Federal de EducaçãoCiência e Tecnologia de São PauloSão PauloBrazil
  6. 6.Departamento de Botánica y ZoologíaUniversidad de GuadalajaraZapopanMexico
  7. 7.Komarov Botanical InstituteSt. PetersburgRussia
  8. 8.Via Marmilla 12Olbia (OT)Italy
  9. 9.Dipartimento di Biologia VegetaleUniversità di TorinoTorinoItaly

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