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14-07-2025 11:20

Une hélotiale sur Sphagnum palustre
Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

16-07-2025 17:34

Sphaerulina cornicola versus Septoria cornina
Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

15-07-2025 13:27

literature request
Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Troposporella fumosum => Troposporella monilipes
Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Hypoxylon cf ticinense
Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Jackrogersella minutella VS Hypoxylon cohaerens var. microsporum
Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

14-07-2025 15:52

Olla aff. millepunctata (croziers +) on Rubus idaeus
Gernot Friebes

Hi,I wanted to share this collection on Rubus idae

14-07-2025 13:37

Rutstroemia ulmariae(?) on Saxifraga rotundifolia
Gernot Friebes

Hi,do you think this collection could be R. ulmari

25-02-2023 18:36

Nectria
Elisabeth Stöckli

Bonsoir, Trouvé sur un tronc de Salix recouvert

12-07-2025 16:45

Sur écorce de Hêtre
Thierry Blondelle Thierry Blondelle

Bonjour à tous,J'avais d'abord pensé à des stro

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Xylaria globosa, a " red" Xylaria..?
Esquivel-Rios Eduardo, 14-10-2012 21:34


 A Xylaria globosa (Spreng. ex Fr.) Mont. is a only Xylaria species with red-orange colorations in the ascostroma. This specimen found in the Cordillera Central, 500 mts. altitude, has these characteristics. The orange-red coloration develops only in thin sterile cilindrical stromata arising between fertile globose black stromata , they have few peritecias. The ascospores are 18-24 x 6-8 microns.
In http://mushroaming.com/Amazing_Amazon  is referred as X. glabrosa, but i cant found any references to this specie.

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FELIPE SAN MARTÍN, 17-10-2012 21:38
FELIPE SAN MARTÃN
Re : Xylaria globosa, a " red" Xylaria..?
¿Xylaria schweinitzii Berk. & M.A. Curtis?
Esquivel-Rios Eduardo, 18-10-2012 03:20
Re : Xylaria globosa, a " red" Xylaria..?
Gracias. La  X. schweinitzii reportada en Panama es totalmente esferica y no se mencionan la coloracion roja de estas estructuras, ver: http://www.flickr.com/photos/myxomop/5416371742/
FELIPE SAN MARTÍN, 18-10-2012 17:18
FELIPE SAN MARTÃN
Re : Xylaria globosa, a " red" Xylaria..?
En mi xperiencia, las especies del complejo Xylaria polymorfa (X. polymorpha, X. curta, X. complanata, X. Schweinitzii, X. scruposa, etc), presentag gutulas de colores vivos (rojos o amarillos) solo en el estado de anamorfo, cuando maduran ya no exudan gotas coloreadas. Por cierto, no se trata de un pigmento estromatal, si así fuera éste persistiría en el ectostroma de los ejemplares maduros, se trata de exudados acuosos coloreados mientras anamorfo.
Saludo.
Thomas Læssøe, 22-10-2012 17:20
Re : Xylaria globosa, a " red" Xylaria..?
hello

In my experience X. polymorpha s.st. and  X. obovata (syn schweinitzii) never produce red droplets when emerging but my concept of X. globosa does (= anisopleura). But this complex still needs a lot of attention using other methods :-)
The red drop producing taxon is extremely common in Ecuador and presumably over most of the Neotropics

cheers

Thomas
FELIPE SAN MARTÍN, 23-10-2012 03:30
FELIPE SAN MARTÃN
Re : Xylaria globosa, a " red" Xylaria..?
I fully agree with Thomas.