Nettle stems

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Fay Newbery
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Joined: Fri Feb 08, 2019 12:46 pm

Nettle stems

Post by Fay Newbery » Thu Apr 23, 2020 2:24 pm

I'm still working away at my nettle stems and they just keep giving!
I've found some perithecia with very stout, conical necks. The epidermis has already fallen away but they are still buried in the nettle stem. The actual perithecia are circular but very flattened.
Asci are long and narrow, totally parallel-sided with a small 'foot'. Spores are as long as the ascus, hyaline and so narrow that I'm not sure that I can confirm that they are non-septate. The spores tend to curve once free from the asci. 8 spores per ascus.
20200423_151456.jpg
I have no idea for this one. Ophioceras leptosporum came closest in a search for Urtica on FGBI but this has a longer, slim neck and shorter asci that broaden in the middle of their length.
Can anyone suggest where I go next?

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