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Zetti Mario

When I first saw this white mould on an Agaricus s

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On a barkless poplar branch, we found hairy discs

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Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

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Bonjour à toutes et tous,Pour cette récolte de 2

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Dear Forum,On decorticated wood of Castanea,I foun

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Herpotrichia-like from Juniperus alpina
Alex Akulov, 16-08-2016 20:55
Alex AkulovDear friends,
could you help me with identification of Herpotrichia-like fungus from dead Juniperus twigs?

Grateful before,
Alex
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Eugene Popov, 17-08-2016 01:10
Eugene Popov
Re : Herpotrichia-like from Juniperus alpina
Hi Alex,

Spores and asci seems to be very similar to those of Melaspileella proximella (Nyl.) Ertz & Diederich (= Banhegyia setispora L. Zeller & Tóth). What about ascomata?
Alex Akulov, 17-08-2016 10:42
Alex Akulov
Re : Herpotrichia-like from Juniperus alpina
Hi, Eugene

Congratulations on a successful return from Vietnam !


You're absolutely right! I cannot help wondering your erudition.


Pseudothecia surface, black, slightly flattened, with soft walls, about 200 microns in diameter. Both macro- and microstructures are consistent to Melaspileella proximella. However, I did not see the setae on the ascospores.


Given the rarity of this species, I think it would be right to send a duplicate of sample to Damien Ertz and Paul Diederich.


Friendly,
Alex

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  • message #44404
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Eugene Popov, 17-08-2016 15:31
Eugene Popov
Re : Herpotrichia-like from Juniperus alpina
Setae are absent on overmature brownish spores and often difficult to find in herbarium material after a few years since collecting.