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| 1 | 2 |  » Stats |
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18-08-2011, 06:42 AM
|  | Commander of the Wild Empire | | Join Date: Nov 2006 Location: Yorkshire Dales
Posts: 2,589
| | | Scutellinia species for ID
A job for Chris I think.
Found this growing on wet rotting wood at Malham Tarn. Discs were up to 4mm in diameter. 
The marginal hairs seemed to be of two types, long pale ones of up to c.1200µ and shorter darker ones with clear septae. 
Spores were 16.5-19µ x 11-13µ with isolated warts 
The length of the marginal setae (and their pale colour) don't seem quite right for S.scutellata even though the spore size seem about right. Not having access to any of the more useful keys I could do with a bit of help with this one - the specimen is drying at the moment if needed.
__________________ Rob
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18-08-2011, 12:48 PM
|  | Officer of the Wild Empire | | Join Date: May 2009 Location: Derby
Posts: 964
| | | Re: Scutellinia species for ID
Hi Rob
I have worked throught the key in Nordic macromyces (Vol.1) together with B&K and I am unable to get it to another species, so I think you do have S.scutellata (however, I am no expert with Ascomycetes!)
Peter
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The key to understanding fungi is careful observation of macroscopic and microscopic features |
18-08-2011, 03:35 PM
|  | Knight Commander of the Wild Empire | | Join Date: Sep 2006 Location: East Harling, Norfolk
Posts: 8,965
| | | Re: Scutellinia species for ID
Such....beautiful....micrographs *explodes with jealously*  |
18-08-2011, 06:17 PM
|  | Commander of the Wild Empire | | Join Date: Oct 2008 Location: Huddersfield, West Yorkshire
Posts: 3,648
| | | Re: Scutellinia species for ID
hi Rob
it's certainly in the species-complex around Scutellinia scutellata; spore shape could suggest Scutellinia crinita, a species I have never seen so I am reluctant to go further . . . .
Chris
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"You must know it's right - The spore is on the wind tonight"
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19-08-2011, 04:26 AM
| | Commander of the Wild Empire | | Join Date: Nov 2006 Location: Yorkshire Dales
Posts: 2,589
| | | Re: Scutellinia species for ID
Quote:
Originally Posted by Ditiola  Hi Rob
I have worked throught the key in Nordic macromyces (Vol.1) together with B&K and I am unable to get it to another species, so I think you do have S.scutellata (however, I am no expert with Ascomycetes!)
Peter | Thanks Peter - unfortunately I think there are a few more species than are present in Nordic Macromyces 1. MycoKey has a short Key to 29 species based on Schumacher's 1990 monograph but separates a lot of them on small differences in spore size. Without confirmatory descriptions it doesn't really work for me and as I don't have access to the original monograph I end up stuck especially when the one I'm looking at seems to be between a few of them. Quote:
Originally Posted by NickCantle Such....beautiful....micrographs *explodes with jealously* | But sadly still not as good as what you see down the microscope. Quote:
Originally Posted by Chris Yeates hi Rob
it's certainly in the species-complex around Scutellinia scutellata; spore shape could suggest Scutellinia crinita, a species I have never seen so I am reluctant to go further . . . .
Chris | Do you have time to have a look at it? I know you like these things.
__________________ Rob
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