Super spores - but what's the fungus!?

Please try to include photos to show all parts of the fungus, eg top, stem, and gills.
Note any smells, and associated trees or plants (eg oak, birch). A spore print can be very useful.
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NickWood
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Super spores - but what's the fungus!?

Post by NickWood » Tue Oct 09, 2018 11:25 am

Another frustrating fungus - very distinctive, especially the spores, but help needed with the ID.
Cap caramel, waxy when dry, 4.5-7cm, upturned in mature fruit-body.
Gills brown, free to emarginate, fairly widely spaced.
Stem of sample white, 65 x 8mm, slight darkening when bruised, white hairs at base.
No distinctive smell or taste.
Spore print brown; spores wonderful! Elongated lemon-shaped, 10-15 x 6-9um; EDF image with non-EDF inset.
Habitat: Small group found on side of grassy path in deciduous woodland (mainly oak and birch).
Maybe a Cortinarius? I don't really don't know!
Hoping you help... Nick
Attachments
04 Fungus 1.JPG
04 Fungus 2.JPG
04 Fungus 3.JPG
04 Fungus 4.jpg

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adampembs
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Re: Super spores - but what's the fungus!?

Post by adampembs » Tue Oct 09, 2018 11:43 am

Have you looked at Hebeloma?
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NickWood
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Re: Super spores - but what's the fungus!?

Post by NickWood » Tue Oct 09, 2018 12:57 pm

adampembs wrote:
Tue Oct 09, 2018 11:43 am
Have you looked at Hebeloma?
Many thanks, Adam, for the suggestion - certainly looks promising! Based on habitat, and the size and features of the spores, Hebeloma sacchariolens, which is described by Phillips as a complex, seems a possibility. Nice visuals at http://www.ambmuggia.it/forum/aapages/a ... iolens.htm

All the best... Nick

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Re: Super spores - but what's the fungus!?

Post by adampembs » Tue Oct 09, 2018 1:31 pm

Emailed you.
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mollisia
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Re: Super spores - but what's the fungus!?

Post by mollisia » Tue Oct 09, 2018 1:47 pm

Hello,

yes, definitely a Hebeloma.
The strongly dextrinoid spores and the likewise strongly loosening perispore suggest one of the sacchariolens-group, though the smell is said to be indistinct.
For determination you need thorough measurements of the cheilocystidia, the number of gills that reach the stipe, ecology - and the new monograph (Fungi Europaei vol. 14)

best regards,
Andreas

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Re: Super spores - but what's the fungus!?

Post by NickWood » Thu Oct 11, 2018 3:03 pm

Are these cystidia? If they are, they might be best described as cylindrical.
The poor fungus cap has been under a lid for four days now, but I would describe the smell, surprisingly, as sweet.
Perhaps this, along with the other features, helps to put the fungus in H. sect. Sacchariolentia (or the iRecord group, Hebeloma sacchariolens agg.).
Many thanks for the article and all your help... Nick
Attachments
04 Sweet Poisonpie 5.jpg
04 Sweet Poisonpie 6.jpg

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