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Mot de passe perdu? S'inscrire

15-12-2025 15:54

Johan Boonefaes Johan Boonefaes

Unknown anamorph found on the ground in coastal sa

15-12-2025 15:48

Danny Newman Danny Newman

Melanospora cf. lagenaria on old, rotting, fallen

15-12-2025 07:05

Danny Newman Danny Newman

Pseudosclerococcum golindoi (det: Zotto)near Cosb

15-12-2025 11:49

Danny Newman Danny Newman

ITS sequences from the following two collections B

15-12-2025 07:09

Danny Newman Danny Newman

indet. Rutstroemiaceae sp. on unk. fallen leavesMc

15-12-2025 12:34

Danny Newman Danny Newman

indet. Rhytismataceae on oak leafnear Purchase Roa

09-12-2025 12:06

Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche l'article concernant Hypobryo

13-12-2025 17:26

Buckwheat Pete

Hello everyone,I have a rather interesting ascomyc

13-12-2025 11:58

Mirek Gryc

HiSupposedly this is a species that occurs quite o

12-12-2025 18:39

Mirek Gryc

Hello everyone.Macrofeatures similar to Mollisia b

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Melanospora cf. lagenaria on decaying polypore
Danny Newman, 15-12-2025 15:48
Danny NewmanMelanospora cf. lagenaria on old, rotting, fallen and still attached FBs of conk (possibly Fomes sp.)
near Purchase Road, Appalachian Highlands Science Learning Center, Great Smoky Mountains National Park, Haywood County, North Carolina, USA
https://www.inaturalist.org/observations/305939943

Collected during the 2025 Richard P. Korf Memorial North American Ascomycete Foray (aka "The Korf Foray), held at the Appalachian Highlands Science Learning Center in Purchase Knob, North Carolina.

no sequences available

photo credits: Danny Newman
micrograph credits: Danny Newman


Of what I believe are two distinct ophiostomatoid fungi shown, the larger of them is the target organism, and it is spores from this fungus which are shown in the micrographs and in the measurements below.

Spores:


(10.7) 11.6 - 13.2 (13.7) × (6.4) 7 - 8 (8.4) µm
Q = (1.5) 1.54 - 1.7 (1.9) ; N = 20
Me = 12.3 × 7.5 µm ; Qe = 1.6

Different references give different spore size ranges for M. lagenaria, and if anything our spores seem small by comparison.   Our collection would appear to constitute a range extension for M. lagenaria, if it can indeed be said to be that sp..  Is there another possibility?

Any and all help is greatly appreciated.  Additional micrographs available upon request.
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