Polyporus brumalis in Roger Phillips

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Polyporus brumalis in Roger Phillips

Postby Steve Clements » Mon Jan 18, 2016 10:45 am

Hi,
I’m Steve and I survey around Sheffield and the Peak District. We’re doing a long-term National Trust Volunteer survey of the Longshaw Estate in the Peak Park.
Here is what we are happy to name as Polyporus brumalis - Winter Polypore, found on Thursday. We checked it carefully as two separate finds had some red colour at the stem base - this is probably not significant. We separated it from P. ciliatus (Fringed Polypore) basically on the number of pores/mm, as well as it's summer-fruiting habit. P. ciliatus has about 6 pores/mm, P. brumalis has about 2/mm. In Phillips (2006) he has changed the name from P. ciliatus to P. brumalis, but still has the number of pores as 4-6/mm.
Wonder how many people this has confused?
Steve
1 Field.JPG
Field photo

2 Field.JPG
Field photo

3 Pores.JPG
Pores with mm scale

4 Spores.jpg
Spores agree with Phillips
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Re: Polyporus brumalis in Roger Phillips

Postby Mal Greaves » Mon Jan 18, 2016 11:48 am

Just goes to show you cannot rely on any one book even some of the best.
Mal
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Re: Polyporus brumalis in Roger Phillips

Postby Steve Clements » Tue Jan 19, 2016 6:09 pm

Phillips is still a fantastic resource and "he who never made a mistake never made anything!".
The Buczacki Collins book gets a bit of stick but I use it all the time because it's got so much in it - same as Peter Thompson's Ascos in Colour. We'd be stuck without them.
Cheers,
Steve
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Re: Polyporus brumalis in Roger Phillips

Postby Mal Greaves » Wed Jan 20, 2016 2:03 pm

I have yet to hear a mycologist say "this is the perfect book". I use Phillips all the time along with Peters Asco and FOS and Collins and Ellis and Ellis and Robichi for Mycena and all Geoffrey Kibbys series and ...........
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Re: Polyporus brumalis in Roger Phillips

Postby Leif Goodwin » Sun Jan 31, 2016 10:20 am

I was not sure what you meant, but you are right, the same photos are used, but relate to different species in the two books! Presumably Phillips considered it a mis-ID in the first book. Apparently a lot of the specimens have been examined by mycologists hence the book is probably one of the most reliable general guides out there. I have only found P ciliatus once:

http://www.leifgoodwin.co.uk/Fungi/Polyporus%20ciliatus.html

The snake skin pattern on the stem is quite distinctive, as is the pale cap colour, and felty cap surface. I think ciliatus refers to the ciliate or finely hairy cap margin which can be seen in some photos. P brumalis is fairly common in beech woods in my experience. It lacks the felty cap surface and ciliate cap margin.
Fungi and Nature Photography: http://www.leifgoodwin.co.uk/Fungi/Fungi.html
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