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08-12-2015 15:56

Blasco Rafael Blasco Rafael

Hola, no se si solo con los datos que tengo se pod

12-12-2015 14:14

Björn Wergen Björn Wergen

Hi there,I have found an interesting hyphomycetous

10-12-2015 14:25

Michel RIMBAUD

Bonjour,Récolté sur une tige de Phragmite cassé

12-12-2015 09:20

Chris Johnson

Good morning While looking at a dung fungus yeste

11-12-2015 16:46

Christian Lechat Christian Lechat

Hi to all,Please, could someone provide me with th

11-12-2015 01:45

Malcolm  Greaves Malcolm Greaves

This "Lasiobolus" was on rabbit dung. Pale cream 0

23-11-2015 10:20

Castillo Joseba Castillo Joseba

Parasitando un Scleroderma polyrhizum No me parec

11-09-2015 08:22

Savic Dragisa

On wet dead pedicel of Petasites hybridus.0,5-0,7

11-12-2015 01:44

Malcolm  Greaves Malcolm Greaves

This "Lasiobolus" was on rabbit dung. Pale cream 1

10-12-2015 21:33

Miguel Ãngel Ribes Miguel Ángel Ribes

Good nightAt the same place and day than yesterday

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Neonectria sur Fagus (SE Europe)
Stoykov Dimitar, 26-11-2015 16:22
Stoykov DimitarHallo, Dear Friends,

This autumn I came up with an interesting find on bark of beec, which is qutie similar morpholocically to the data about North American - Neonectria faginata in the sence of Rossman et al. (2006) , but has differences on the basis of other than North American distribution and Fagus  grandifoilia.
Ascomata wall KOH (+). Asci about 71-76 x 11-12 micrometers. Spores 10.5-13.6 x 4.5-6.5 micrometers, slightly constricted at the septa.

Kind regards, Dimitar
Christian Lechat, 26-11-2015 17:05
Christian Lechat
Re : Neonectria sur Fagus (SE Europe)
Hi Dimitar,
Neonectria faginata is known only from USA.
All characteristics that you provide fit well with N. coccinea.

 Neo. faginata is easily identified because it is known only on species of Fagus in
North America and produces macroconidia morethan 80µm long when 5-septate.
N. faginata
: Ascospores ellipsoidal to fusiform with narrowly rounded ends,
straight or slightly curved, hyaline, finely spinulose,
1-septate, (8.5–)10.3–12.3(–14.3)×(4.1–)4.4–6.2
(–8.0)µm.
N. coccinea
is distinguishable based on host specificity occurring only on Fagus in Europe. Ascospores ellipsoidal to fusiform with narrowly rounded ends, straight or slightly curved, hyaline, finely spinulose, 1 septate, (9.1–)11.8–14.6(–19.3)×(3.7–)4.9–6.3(–7.6)µm

Regards,
Christian
Stoykov Dimitar, 27-11-2015 09:50
Stoykov Dimitar
Re : Neonectria sur Fagus (SE Europe)
Hi Christian,

Thank you so much for the comments on morphology of both species and detailed descriptions!


Best wishes,

Dimitar