Lyophyllum semitale

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Lyophyllum semitale

Postby Leif Goodwin » Mon Nov 14, 2011 9:23 pm

Not confirmed, but I'm fairly confident of this one:

DSC_0129 Lyophyllum semitale.jpg


The white spores and blackening surface point to a specific group of Lyophyllum species, and the spore size, and smell are consistent. I wish I had more literature as I am dependent on Funga Nordica for this one. Can anyone recommend specialist works for Lyophyllum? Oddly enough this one was found meters away from the site of another rare Lyophyllum collection I made last year, which I have not identified with certainty. (Spores are very different, so they are not the same.)
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Re: Lyophyllum semitale

Postby Roy Betts » Thu Nov 17, 2011 10:47 am

You are probably better off than I, as I haven't Funga Nordica.
I'm guided by the Kew Check List for current names and what is actually out there. There are 10 species in the Check List and quite a lot of confusion with names in older litterature. I'm stuck with using a combination of Moser, Nordic Macromycetes and B&K(FoS). Maybe one of the forthcoming FAN volumes will cover this Genus?
The species I find most often are L. decastes, eustygium, connatum and loricatum in descending frequency (most of my records are for the first two).
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Re: Lyophyllum semitale

Postby Leif Goodwin » Sun Nov 20, 2011 8:52 pm

The oddity is that I do not often find the Lyophyllum species you list, and come across the very rare ones just as often. I suspect the truth is that these 'rare' ones are not really so rare, but identification requires a microscope, and literature, and few people have both. So no doubt a lot of potential records are lost. A similar example is Melanotus horizontalis, which is supposed to be rather rare, but I come across it from time to time, mainly in Winter months.

Oh well, looks like the literature for this genus is a bit thin on the ground.
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