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12-01-2026 05:24

Danny Newman Danny Newman

Cyathicula coronata on Urtica dioicaCataloochee Di

11-01-2026 20:35

Josep Torres Josep Torres

Hello.A very tiny pyrenomycete sprouting sparsely

15-12-2025 11:49

Danny Newman Danny Newman

ITS sequences from the following two collections B

09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

10-01-2026 01:18

Danny Newman Danny Newman

cf. Neovaginatispora fuckelii on indet. shrub Pre

07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

09-01-2026 10:08

Blasco Rafael Blasco Rafael

Hola, en el mismo habitat que la anteriorRetamaDia

08-01-2026 21:22

Blasco Rafael Blasco Rafael

Hola, He recogido esta muestra de Orbilia sobre Re

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Advice on croziers in Hymenoscyphus fraxineus
Glew David, 28-07-2019 12:19
Thank you for accepting me to the site.

I am a newbie to fungal microscopy and am trying to learn the difference between Hymenoscyphus fraxineus and H. albidinus in the UK.

I know that identification of croziers confirms Hymenoscyphus fraxineus, but would  appreciate any advice to check I'm looking at the right thing! This is my first attempt and the sample was poor, but I'll try again. Thank you. David
  • message #58700
Hans-Otto Baral, 28-07-2019 20:42
Hans-Otto Baral
Re : Advice on croziers in Hymenoscyphus fraxineus
Hi Devid!

welcome here in the forum. Your figure is clear enough to see the cozier. especially your third poic shows it clearly. The ascus base thereby is on the right.

H. albidus will be difficult to find. Best is to take old herbarium material collected before the invasion.

good luck anyway!
Zotto
Glew David, 28-07-2019 20:56
Re : Advice on croziers in Hymenoscyphus fraxineus
Zotto

Thank you very much - it's very helpful to know that I'm searching for the right appearance!.

Best wishes

David