tiny black pyrenomycete on Platanus

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Baited fungus, help with ID.

Spooren Marco

Collected from loamy soil, at waterside (completel

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En Rosmarinus

Blasco Rafael

Hola, me pueden ayudar con esta muestra.Recogida s

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Bonjour,Une anamorphe rose stipitée, très nombre

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Bonjour, Une récolte du mois d'août 2025 en tou

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Asco brun sur renouée du Japon (Reynoutria japonica) (d'Albert Grobelny)

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Bonjour à toutes et tous,Pourriez-vous aider Albe

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Starform

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I found this unknown star form by the microscopy o

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Hello, I found and collected this propoloid ascom

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Hello.A Pyrenomycete sprouting sparsely but very d

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Lamprospora ? laquelle ?

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Bonjour,J'aimerais savoir si d'autres personnes au

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White dots on pine

Lepista Zacarias

Hi everybody,A week ago in my fiels trip I noticed

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tiny black pyrenomycete on Platanus

Ethan Crenson, 17-11-2017 06:43

From the Bronx, NYC on Platanus × acerifolia. On decorticated branches. Very small, .2-.4mm, subglobose, roughened black superficial perithecia. The spores are light brown, obovoid, rounded at the ends (sometimes acute at one end), 3-5 septate, usually quite constricted at the middle septum, somewhat constricted at the others, 25-31 by 7.5-11µm. The spores appear hyaline when immature and possibly enclosed in a gelatinous sheath. Asci bitunicate, 145-175 by 20-26µm, IKI-. Any suggestions? Thanks in advance!

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