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16-01-2026 00:45

Ethan Crenson

Hi all, On decorticated hardwood from a New York

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

13-01-2026 07:28

Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

15-01-2026 15:55

Lothar Krieglsteiner Lothar Krieglsteiner

this one is especially interesting for me because

15-01-2026 10:35

Johan Boonefaes Johan Boonefaes

Last week I found this fungus, possibly a hyphomyc

13-01-2026 08:43

Danny Newman Danny Newman

Tricladium varicosporioides on indet. decorticate

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

13-01-2026 09:10

Danny Newman Danny Newman

Dasyscyphella chrysotexta on indet. decorticate ha

13-01-2026 10:13

Danny Newman Danny Newman

Cordieritidaceae sp. on indet. wood w/ Hypoxylon s

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Hypoderma ?
Ethan Crenson, 03-10-2019 07:25
I found these growing on wood in Vermont in the Northeastern US. Apothecia are tiny .5-2mm, with a mouth-like look when dry, opening by a slit when hydrated. They reminded me of other things in the Rhytismatales... maybe they are Hypoderma?
Asci measure about 104 x 7.5µm, IKI-. Spores (there were not many free ones) around 18-19 x 3-5µm, fusiform and 1-septate. Paraphyses are vermiform and curved at the ends.
Does this look familiar to anyone?
Thanks
Ethan
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Josep Torres, 03-10-2019 14:36
Josep Torres
Re : Hypoderma ?
Hola Ethan, tus hongos parecen corresponder a una Hysteriaceae, dentro de estas con estas esporas quizás Psiloglonium sp.
Saludos cordiales
Jason Karakehian, 04-10-2019 13:27
Jason Karakehian
Re : Hypoderma ?
Hi Ethan, I think that you are right about Rhytismatales. I think that is Angelina rufescens. Do you have our paper on it in Mycologia? I'll send you a copy. Thanks to Adrian Carter for pointing out your excellent posting to me. Good photos of apothecia and sections, etc. Kind regards - Jason