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19-07-2018 00:11

Thorben Hülsewig

Hi there,yesterday i found on ground this ascomyce

21-07-2018 11:02

Valencia Lopez Francisco Javier

Hola a todos/asTengo estas Escutellinia recolectad

20-07-2018 07:04

Blasco Rafael Blasco Rafael

Hola puede ser la Orbilia que priopongo ??sonre ma

20-07-2018 22:52

Viktorie Halasu Viktorie Halasu

Hello forum,here's another Peziza close to exogela

13-07-2018 17:59

Viktorie Halasu Viktorie Halasu

Hello forum,we found this small Peziza (5-12 mm di

09-07-2018 20:27

Andgelo Mombert

Bonsoir à tous, Sur tige morte de Adenostyles sp

17-07-2018 21:24


Voici un asco blanc récolté dans un fossé tourb

13-07-2018 19:59

Andgelo Mombert

Bonsoir,Sous Picea, Alnus, Sorbus, vers 1500 m d'a

18-07-2018 18:33

Guillaume Eyssartier

Bonjour à tous, je vous envoie cet étrange asco

19-07-2018 13:29

Savic Dragisa

I think this is Peziza tenacella, the ornamentatio

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Densely Grouped Conidiophores on Phragmites
Peter Thompson, 21-11-2017 11:59
Hello Everyone,

I have found a hyphomycete which grows densely clustered along the small ridges of a dead leaf of Phragmites australis.

The conidiophores are mid-brownish, knobbly, with scars along them and measuring between 68 - 130 x 5 um. They are smooth, regularly septate and thick walled.

The conidia are pale 1- 3-septate, with the largest being 16 - 18.5 x 7.25 - 8 um. Their bases are flattened, where previously attached to the conidiophores.

The closest species which I can find in the literature is Dendryphiella infuscans, but this species does not seem to grow in dense tufts, like mine.

I have attached a photo of the fruit bodies and also a microphoto, showing more detail of their structure. 

I wonder if anyone has any ideas as to what they might be?

Thank You,
With Best Wishes,
  • message #51255
  • message #51255
Chris Yeates, 21-11-2017 17:15
Chris Yeates
Re : Densely Grouped Conidiophores on Phragmites
It looks very like a species of Cladosporium, a very common and rather complex genus. See:
Peter Thompson, 21-11-2017 17:46
Re : Densely Grouped Conidiophores on Phragmites
Hello Chris,

Thanks. I will have a look through this paper.

I did consider the genus Cladosporium, but was not sure that they would grow so densely grouped as my sample.

With Best Wishes,

Herrera Emerson, 21-11-2017 18:01
Herrera Emerson
Re : Densely Grouped Conidiophores on Phragmites
Buen día, por el momento pense en Cladosporium pero esta produce esporas de una celula. Son irregulares pero no es Cladosporium.
Chris Yeates, 21-11-2017 18:16
Chris Yeates
Re : Densely Grouped Conidiophores on Phragmites
Does "esta produce esporas de una celula" mean "produces spores with a single cell"? Because Cladosporium conidia can have several septa - compare with: