Observation 14221: Xeromphalina campanella group

When: 2008-11-14

Collection location: Larch Mountain, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Notes:
Found on a large 5-foot diameter rotting log which had been cut, fungi growing from cut surface. Log was covered with lichens, mushrooms, mosses; yet butt-end was just starting to decay, which suggests the log may be Western Red cedar.

Fungus is dark reddish-brown, with a curious depression in the center of the cap, which flares outward and downward; gills golden to buff-tan, somewhat cantherellus-like; stipe dark brown to nearly black, tough, wirely, about 2mm at substrate attachment, flaring to perhaps 4mm where descendant gills being appearing, and perhaps 6mm at widest point which would include a portion of the hollow top of the cap (see photos).

Images

29141
29142

Proposed Names

57% (1)
Eye3
Recognized by sight
28% (1)
Recognized by sight
64% (2)
Eye3
Used references: Aurora’s Mushrooms Demystified, observations of X. campanella on Mushroom Observer. This appears to be a rather old specimen.
84% (1)
Eyes3
Used references: Aldrovandi et al, 2015: “The Xeromphalina campanella/kauffmanii complex: species delineation and biogeographical patterns of speciation” – https://www.ncbi.nlm.nih.gov/pubmed/26297781

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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X. campanella indistinguishable from X. enigmatica without mating studies or DNA
By: Jacob Kalichman (Pulk)
2017-12-14 20:07:08 GMT (+0000)

Xeromphalina campanella can be distinguished from X. enigmatica only by mating studies or DNA sequencing. They’re effectively identical in macroscopic features, microscopic features, chemical features, geographic location, and substrate preference.

Created: 2008-11-15 19:29:04 GMT (+0000)
Last modified: 2017-12-15 05:52:06 GMT (+0000)
Viewed: 52 times, last viewed: 2017-12-14 20:13:43 GMT (+0000)
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