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05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

19-02-2026 17:49

Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

28-02-2026 11:05

Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

03-03-2026 20:34

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningThese small, amphora-shaped perithecia

28-02-2026 11:54

Alain GARDIENNET Alain GARDIENNET

Hi forum,Is anyone aware if the 1936 edition of Si

02-03-2026 22:07

Jorge Hernanz

Buenas noches!Entre musgos, bajo Pinus halepensis

01-03-2026 18:02

Francois Guay Francois Guay

I found this mystery Helotiales on an incubated le

28-02-2026 14:43

Alain GARDIENNET Alain GARDIENNET

A new refrence desired :Svanidze, T.V. (1984) Novy

01-03-2026 18:46

Robin Isaksson Robin Isaksson

Hi! This species i se from time to time in the

26-02-2026 22:06

Malcolm  Greaves Malcolm Greaves

Can someone explain the features that split Geoscy

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Lachnum aff patulum ?
Miguel Ángel Ribes, 15-08-2008 01:46
Miguel Ãngel RibesThe last one today

On the bark of a live "Viñatigo" (Persea indica), in a laurisilva forest. No more than 2 mm diameter, inside yellow-grenish and white hairs. Asci 8 spores, biseriated, amiloid, with croziers. Paraphysis filiform, not enlarged at the apex and longer than asci. Cilindrical and not septated spores. Hairs filiform, not enlarged at the apex, septated and with granular surface.

Sporal measure (1000x, in water, fresh material)
5.6 [7.6 ; 8.9] 11 x 1.8 [2.1 ; 2.3] 2.7
Q = 2.4 [3.4 ; 4.1] 5.2 ; N = 17 ; C = 95%
Me = 8.28 x 2.22 ; Qe = 3.77

Thank you
  • message #5289
Miguel Ángel Ribes, 15-08-2008 01:48
Miguel Ãngel Ribes
Re:Lachnum aff patulum ?
Mono and biseriated asci in IKI, amiloid
  • message #5290
Miguel Ángel Ribes, 15-08-2008 01:48
Miguel Ãngel Ribes
Re:Lachnum aff patulum ?
Asci and croziers in IKI
  • message #5291
Miguel Ángel Ribes, 15-08-2008 01:49
Miguel Ãngel Ribes
Re:Lachnum aff patulum ?
Asci and paraphysis in IKI
  • message #5292
Miguel Ángel Ribes, 15-08-2008 01:50
Miguel Ãngel Ribes
Re:Lachnum aff patulum ?
Hairs in red-congo + phloxina B alcoholic
  • message #5293
Miguel Ángel Ribes, 15-08-2008 01:51
Miguel Ãngel Ribes
Re:Lachnum aff patulum ?
Hairs in water
  • message #5294
Hans-Otto Baral, 15-08-2008 15:35
Hans-Otto Baral
Re:Lachnum aff patulum ?
Its Proliferodiscus pulveraceus. Wonderful how you photographed the croziers! This species may sometimes also be without croziers. A good character is the reaction in KOH of the ectal excipulum (also base of hairs): turning violet!

The variable arrangement of the spores inside the asci is only seen in dead asci. In living asci they are always biseriate.

Are your finds all from Macaronesia? Which island?

Zotto
Miguel Ángel Ribes, 16-08-2008 12:54
Miguel Ãngel Ribes
Re:Lachnum aff patulum ?
Yes, all of them are from Macaronesia, from Tenerife: Stictis and Proliferodiscus pulveraceus from "laurisilva" forest, and Propolis aff viridis from eucaliptus forest.

Thank you for "Proliferodiscus pulveraceus", I had never thought in this species.