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Bessette etal in North American Boletes does give some addition information,(pages 269-270 under Comments for Tylopilus pseudoscaber). They claim Wolf, Breitenbach and Kranzlin “…have placed Tylopilus pseudoscaber and Tylopilus porphyrosporus in synonomy.” Bessette seems to be favoring T.pseudoscaber.
Wolfe did not accept the name used by Index Fungorum (listed it as a synonym).
Current name: Porphyrellus porphyrosporus (Fr. & Hök) E.-J. Gilbert 1931
Ernst Both lists both as separate species and does NOT give a clear reason why.
Both, E. E. 1993. The Boletes of North America: A Compendium. Buffalo Museum of Science, Buffalo, NY. 436p.
Wolfe, Carl B. 1979. Austroboletus and Tylopilus Subgenus Porphyrellus With Emphasis on North American Taxa: Bibliotheca Mycologica Band 69. J. Cramer, Vaduz, Germany. 148p.
Created: 2006-05-21 00:17:55 PDT (-0700)
Last modified: 2011-06-23 14:55:38 PDT (-0700)
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