Cyathicula coronata on Urtica dioica - 303628165

20-03-2026 12:53

Eutypa spec. (?)

Stefan Blaser

Hello everybody, In the field, from distance, my

20-10-2017 09:23

Hymenoscyphus ¿calycinoides?

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

20-03-2026 16:16

Pseudomassaria-like on Cornus alba

Edvin Johannesen

These 0.5 mm diam. acervuli were breaking through

19-03-2026 19:34

Xylariaceae? on Carpinus betulus wood

Filip Fuljer

Hello everyone,a few days ago I collected this str

19-03-2026 18:25

Myriosclerotinia curreyana?

William Slosse

Good evening everyone, On 18/03/26 I found a few

17-03-2026 10:09

Lasiobelonium corticale ?

François Freléchoux

Bonjour, Voici la description rapide d'un petit d

19-03-2026 15:58

"Lasiosphaerioid"

Stefan Blaser

Hello everybody, I hope for some hints... Macro:

19-03-2026 17:50

Massarina on Corylus

Enrique Rubio

Hi to everybodyThese thiny, blackish pseudothecia

18-03-2026 13:09

Orbilia on Celtis occidentalis

Khomenko Igor

I recently examined Celtis occidentalis branches

17-03-2026 19:41

Pyréno sur branche morte de chêne

Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

« < 1 2 3 4 5 > »

Cyathicula coronata on Urtica dioica - 303628165

Danny Newman, 12-01-2026 05:24

Cyathicula coronata on Urtica dioica
Cataloochee Divide Trail, Great Smoky Mountains National Park, Haywood County, North Carolina, USA
https://www.inaturalist.org/observations/303628165

photo credits: Connor Dooley & Fenner Martin Morse
micrographs: Patrick Verdier

sequence available at iNaturalist link

Spores:

(19.8) 20.3 - 22.2 (22.5) × (3.5) 3.8 - 4.9 (5) µm
Q = (4) 4.4 - 5.7 (6) ; N = 20
Me = 21.3 × 4.2 µm ; Qe = 5.1

Zotto has remarked on iNaturalist that this taxon has been repeatedly misidentified as Hymenoscyphys scutula in GenBank, if not other genetic databases.

Hans-Otto Baral, 12-01-2026 08:35

Re : Cyathicula coronata on Urtica dioica - 303628165

I add my ITS-analysis showing the problem. The lack of marginal teeth is remarkable and could point to a different species, but the available sequences, which are predominantly from outside Europe, all appear to lack morphological data. Possibly behind these deviations exist several species.

I forgot that I have a folder "coronata aff. no teeth", with 5 European collections without teeth, but with the microscopy (mostly in living state) very similar to collections with prominent teeth.

Accès membres

Forum AscoFrance