Observation 14186: Tricholoma (Fr.) Staude
When: 2008-11-14
No herbarium specimen

Notes: Not much clue what this striking and rather beautiful (to me) mushroom is. Cap when fresh and damp is yellowish-green, with green fibrils; I have it drying now, and the dry fungus is nearly brown with little or no hint of green or yellow to it; stipe is large and long for the cap, and I originally thought this might be a Phaeocollybia but with a long white stalk. Which just means I really don’t know what it is, so I collected it and have it drying now.

Proposed Names

48% (2)
Recognized by sight
73% (3)
Recognized by sight: Several species with these greenish yellow caps and black stripes..
15% (2)
Used references: Aurora’s Mushrooms Demystified, p. 180. Thought this had white gills, but additional photos prove yellow to greenish-yellow gills, making it: T. sejunctum.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I was thinking
By: Irene Andersson (irenea)
2008-11-16 20:59:02 GMT (+0000)

more like davisiae or subsejunctum, both growing with conifers and discolouring pinkish (especially davisiae) and yellow (partly on stem and on gills at the cap margin). Both species lose the yellow colours after a time in sunlight and become fibrillose greyish.

It is not Tricholoma sejunctum, which grows with hardwoods like beech, oak and hazel (at least in Europe), and has another cap structure (not the black stripes).

I find these species very difficult to sort out, especially when they change so much in colour from young to old, and I don’t think they are completely investigated yet..

In Aurora
By: Daniel B. Wheeler (Tuberale)
2008-11-16 18:26:10 GMT (+0000)

most closely matches T. leucophyllum (white gills) which this had. Problem is T. leucophyllum is reported from aspen, and there was no aspen within 80 miles than I know of. No poplars of any kind in this immediate area, completely conifer stand, mostly Douglas-fir and Western hemlock, with scattered Western red cedar. So … perhaps something new to me. (I like finding those.)

Created: 2008-11-15 08:13:25 GMT (+0000)
Last modified: 2008-11-15 08:13:25 GMT (+0000)
Viewed: 64 times, last viewed: 2016-10-21 12:23:39 BST (+0100)