Parvacoccum pini - Forum ASCOFrance

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Parvacoccum pini

Elisabeth Stöckli, 18-06-2022 14:10

Bonjour,

Sur branche morte de Pinus cembra en position aérienne (à '~2000 m).

Apothécies 0.75 - 1.5 mm de diamètre, Ascospores (eau) : 17 - 25 x 2.5 - 3.5 µm, aseptiques, hyalines, lisses. Asci : 112 - 165 x 7.5 - 10 µm, octospores, rétrécies à la base, avec crochets, non amyloïdes, paraphyses filiformes et spiralées à l'extrémité.

Je pense que cette espèce est Parvacoccum pini. Merci beaucoup pour vos commentaires.

Elisabeth

Hans-Otto Baral, 19-06-2022 18:20

Re : Parvacoccum pini

Hallo Elisabeth

I think this is a perfect match. Especially the better description of an Austrian sample on Pinus cembra by Hermann Voglmayr in Haelewaters et al. 2020 fits very well. The type has too narrow asci and spores and was on Pinus monticola.

Zotto

Ueli Graf, 22-06-2022 12:07

Re : Parvacoccum pini

Hallo Elisabeth,

sehr schöner Fund hat du da gemacht, Gratuliere!

Gruss

Ueli

Elisabeth Stöckli, 19-07-2022 14:00

Re : Parvacoccum pini

Danke vielmals Zotto. Scheint nicht so selten zu sein, vorige Woche haben wir sie erneut gefunden.

@Ueli; schau dir die stehenden, noch berindeten Äste von Pinus cembra an, nebst der P. pini gibt es noch eine Coccomyces zu finden.

Elisabeth

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