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07-01-2026 17:29

Marc Detollenaere Marc Detollenaere

Dear Forum,On a barkless Populus I found some smal

10-11-2021 17:33

Riet van Oosten Riet van Oosten

Add-on topic http://www.ascofrance.com/forum/7059

07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

07-01-2026 10:05

Danny Newman Danny Newman

cf. Chaetospermum on XylariaCosby Campground, Grea

06-01-2026 20:54

Thierry Blondelle Thierry Blondelle

Bonjour à tous et meilleurs voeux pour cette nouv

02-01-2026 17:43

MARICEL PATINO

Hi there, although I couldn't see the fruitbody, I

04-01-2026 17:45

Stephen Martin Mifsud Stephen Martin Mifsud

I was happy to find these orange asmocyetes which

02-01-2026 22:48

éric ROMERO éric ROMERO

Bonjour tous, Je profite de cette nouvelle demand

02-01-2026 19:35

William Slosse William Slosse

Good evening everyone,First of all, my best wishes

03-01-2026 13:08

Niek Schrier

Hi all,We found groups of perithecia on a Lecanora

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?Amphisphaeria
Hans-Otto Baral, 29-08-2010 11:50
Hans-Otto BaralAfter Ascitendus which I saw is quite frequent in the US here something similar with 1-septate dark brown spores, from Massachusetts. It also grew together with Orbilia luteorubella, so in a similar wet habitat, on unidentified deciduous wood.

Don Pfister, the collector, named it "?Amphisphaeria". The photos I made today, therefore nothing is alive anymore (collection date Oct. 1994).

The perithecia have a distinct neck
  • message #12679
Hans-Otto Baral, 29-08-2010 11:52
Hans-Otto Baral
Re:?Amphisphaeria
Ascus apical ring slightly refr., 3.3 x 4.3 µm, IKI-, CR+. Sp. *14-17 x 5-5.3 µm, KOH+CR 15-19.5 x 5-5.5(-6) µm, no germ slit, with thick-walled septum.
  • message #12680