Observation 21696: Xeromphalina campanella group

When: 2009-06-04

Collection location: Forest near Elgin St., Pembroke, Ontario, Canada [Click for map]

Who: Paul Derbyshire (Twizzler)

No specimen available

This is an odd one, or rather, two. I found these in Zone 24 close to last year’s Tricholomopsis sighting. At first I thought that might be what these were, though it seemed a bit early for that. But oh, no. These little guys are omplalinoid and have cross-veined gills! They’re also just as orange beneath as above.

Images, in order: thumbnail; specimen 1 habitat (a rotted piece of pine); specimen 1 side view; specimen 1 top view; specimen 2 habitat (a different rotted piece of pine a foot or so from the first one); specimen 2 top view; specimen 2 side view after uprooting; specimen 2 gills.

Species Lists



Proposed Names

56% (1)
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


Add Comment
X. campanella indistinguishable from X. enigmatica without mating studies or DNA
By: Jacob Kalichman (Pulk)
2017-12-14 15:08:49 CST (-0500)

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.

By: Paul Derbyshire (Twizzler)
2009-06-05 12:24:59 CDT (-0400)

X. campanella mostly fits, except for one nagging thing — it’s supposed to grow in dense clusters. I found just two, one each on separate pieces of wood.

Created: 2009-06-04 22:15:22 CDT (-0400)
Last modified: 2017-12-15 00:52:59 CST (-0500)
Viewed: 88 times, last viewed: 2017-12-14 15:20:21 CST (-0500)
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