Observation 63555: Entoloma lignicolum Largent

We observed/collected this fungus on a massive, decaying log of Douglas-fir (Pseudotsuga menziesii) on the southern slope of Observatory Hill, Victoria, BC – Canada: 2004-Dec-12 (drawing), 2007-Jan-28, and 2007-Nov-29 (photos). In November 2007, Entoloma lignicolum produced numerous fruiting bodies, but in the following years it disappeared and was replaced by Xeromphalina campanella.

Entoloma lignicolum Largent was described from a single collection in Humboldt Co., CA (Mycotaxon 34: 129. 1989) as a new species in the Section Polita. “Entoloma lignicolum is unique in western North America because of pale buff to uniform tan pileus which is 20-45 mm broad, the obscurely striate stipe which is 3-5 mm broad at the apex, and habitat on wood” (Largent, D. 1994. Entolomatoid fungi of the western United States and Alaska. Mad River Press, Eureka, CA, p. 320). When discovered on the type locality, E. lignicola was gregarious on a decaying log, but it occurred there only for one season. T. Baroni suggested that Entoloma lignicolum should belong to the genus Rhodocybe (Largent, l.c.). Holec & Noordeloos, on the other hand, believe that it belongs into the genus Entoloma (Mycotaxon 112: 283–28. 2010). D. Largent et al. (Mycologia 612: 10 2011) transferred this species into the genus Entocybe, as Entocybe lignicola (Largent) Largent, T.J. Baroni & V. Hofstetter.

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Created: 2011-02-17 02:46:06 CST (-0500)
Last modified: 2013-10-14 22:06:01 CDT (-0400)
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