tiny black pyrenomycete on Platanus

29-12-2025 17:01

Hyphomycete on Rubus fruticosus agg.

Gernot Friebes

Hi,I'm looking for help with this hyphomycete with

29-12-2025 08:30

Ascomycete among bryophytes.

Josep Torres

Hello.A tiny ascomycete sprouting under Juniperus

29-12-2025 10:15

Propolis sp. on Pinus sylvestris

Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

29-12-2025 09:38

Phaeohelotium on deciduous wood?

Oskari Virtanen

Hi,could anyone help me identify this, I suspect P

24-12-2025 18:12

Orbilia

Ethan Crenson

Hello all, A friend found this Orbilia growing on

28-12-2025 12:08

Karstenia? anamoph?

Margot en Geert Vullings

This possible Karstenia was found on the bark of d

21-12-2025 21:32

Anamorf on decaying leaves of Euonymus japonicus 'Microphyllus'

Pol Debaenst

Hello, Garden, Burgweg 19, Veurne, BelgiumOn 10/1

26-12-2025 21:19

Pithyella chalaudii Priou.; als Bryoprasit auf einem weiteren Wirt gefunden.

Arnold Büschlen

Pithyella chalaudii Priou. Ist als Bryoparasit in

21-12-2025 09:32

Spherical Pyrenomycete

Josep Torres

Hello.A tiny ascomycete found embedded in wood in

18-12-2025 21:17

Two collections of yellowish discs on bare ground

Pol Debaenst

The identification took me to Byssonectria deformi

« < 1 2 3 4 5 > »

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!

Accès membres

Forum AscoFrance