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27-11-2025 15:41

Thomas Læssøe

Spores brownish, typically 4-celled; 26.8 x 2.4;

27-11-2025 12:01

Thomas Læssøe

https://svampe.databasen.org/observations/10496727

27-11-2025 11:46

Thomas Læssøe

https://svampe.databasen.org/observations/10493918

27-11-2025 11:31

Thomas Læssøe

Collectors notes: Immersed ascomata, erumpent thro

23-09-2025 13:31

Thomas Læssøe

https://svampe.databasen.org/observations/10534623

25-11-2025 14:24

Thomas Læssøe

https://svampe.databasen.org/observations/10490522

26-11-2025 18:13

Jason Karakehian Jason Karakehian

The entire run of Mycotaxon is now available throu

21-11-2025 15:22

Vasileios Kaounas Vasileios Kaounas

Found in moss, forest with Pinus halepensis. Dime

24-11-2025 18:17

ruiz Jose

Hola en madera, quizás de alnus. Esporas(12.1) 12

25-11-2025 11:03

Mick Peerdeman

Hi all,One of my earliest microscopy attempts, so

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leptosphaerioid on Carex acutiformis with huge spores - Denmark
Thomas Læssøe, 28-07-2023 14:01
https://svampe.databasen.org/observations/10360942

spores ca. 65 x 10 µm, curved fusiform, with a broad sllme coat, 1-septate, hyaline. Asci 8-spored. Pseudothecia black, completely immersed in host tissue. I have been unable to find a match with such big 2-celled spores.
Till Lohmeyer, 28-07-2023 21:08
Re : leptosphaerioid on Carex acutiformis with huge spores - Denmark
Hallo, Thomas

reminds me of Wettsteinina niesslii (= Leptosphaeria gigaspora Niessl) as described (renamed)  by E. Müller 1950. The host of the type collection was Carex acutiformis, the spores have a slimy coat and - roughly - the size of the ones in your collection (52-65 x 7-9).

Regards - Till
Thomas Læssøe, 29-07-2023 08:40
Re : leptosphaerioid on Carex acutiformis with huge spores - Denmark
thanks, Till!