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29-06-2016 18:06

Elisabeth Stöckli

Bonjour,Trouvé sur branches mortes cortiquées de

14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

17-11-2025 21:46

Philippe PELLICIER

Bonjour,Récolté sur bois pourrissant de feuillu

20-11-2025 14:14

Mick Peerdeman

Found on the leaves of 'Juglans regia' in the Neth

20-11-2025 13:07

Mick Peerdeman

In January i found these black markings on the dea

20-11-2025 12:38

Mick Peerdeman

Dear all,Last week i stumbled upon a leaf of ilex

19-11-2025 23:21

carl van den broeck carl van den broeck

Dear guestIn Waardamme, Belgium, I found dozens of

19-11-2025 20:51

Andreas Millinger Andreas Millinger

Good evening,found this species on a felled trunk

19-11-2025 13:04

Bruno Coué Bruno Coué

Bonjour,je  sollicite votre avis pour la récote

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

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Erysiphales - Spore Sizes for 5 Species
Peter Thompson, 10-09-2012 20:27
Hello Everyone,

I would be very grateful to receive details about the spore sizes for the following five species:

Erysiphe alphitoides / Microsphaera alphitoides
Erysiphe aquilegiae var. ranunculi
Erysiphe heraclei
Erysiphe ulmariae
Erysiphe sordida / Golovinomyces sordidus

I have checked the available information in the Braun 1987 Erysiphales drawings, but they do not contain spore data. 

Thanking you in advance,
Peter.
Chris Yeates, 11-09-2012 21:53
Chris Yeates
Re : Erysiphales - Spore Sizes for 5 Species
Hello Peter

here you go:

regards
Chris
Peter Thompson, 12-09-2012 19:49
Re : Erysiphales - Spore Sizes for 5 Species
Hello Chris,

Thank you for the spore sizes. I will now be able to complete the drawings and microscopic data section for the powdery mildews.

My progress has been good, and I am still hoping to have everything ready next month.

Best wishes,
Peter.