Scutellinia pennsylvanica? - Forum ASCOFrance

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Scutellinia pennsylvanica?

Chris Johnson, 21-10-2015 12:57

Bonjour
This was found on moorland peaty soil. The nearest I can get with Schumacher is Scutellinia pennsylvanica which is predominantly found on wood although Schumacher notes '... more rarely on soil'.
Apothecia 4-5 mm.
Hairs bi-, tri- and multi-furcate. Marginal hairs mainly 540-610 x 19-24 but a few much longer. Excipular hairs 380-500 x 22-34.
Spores 16.6-19.0 x 12.7-14.9. Me = 17.9 x 13.8 Q = 1.3
Asci 280-350 x 19-22.

I have been without my microscopes all summer and no longer have this specimen (from August).
Any help welcome.
Regards, Chris

Miguel Ángel Ribes, 21-10-2015 13:07

Re : Scutellinia pennsylvanica?

Hi Crhis

The nearest species is S. decipiens, with similar but bigger spores.

Miguel Á. Ribes

Chris Johnson, 21-10-2015 13:16

Re : Scutellinia pennsylvanica?

Thanks Miguel'.

I looked at S. decipiens but decided that the spores were too broad to fit my measurements.

Chris

Chris Yeates, 22-10-2015 03:09

Re : Scutellinia pennsylvanica?

Hi Chris
excellent photographs (as usual ;-)); always worth keeping material of interesting collections . . . .
Chris

PS (I know - stating the obvious)

Chris Johnson, 22-10-2015 08:23

Re : Scutellinia pennsylvanica?

Thanks Chris

Now I have a larger study with more storage room, I'll start keeping some specimens.

Chris

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