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Small green discs on Ammophila
Marc Detollenaere,
24-03-2023 22:04
Dear Forum,On dead leaves of Ammophila arenaria I found some very small yellow-green discs (100-125µ) with a strong amyloid reaction on IKI. Asci measured 30x12µ and the hyaline spores were 1-septate and contained several small guttules. The paraphyses were multiple septate and capitate.
Any ideas?
Many thanks
Marc
Hans-Otto Baral,
24-03-2023 22:25
Re : Small green discs on Ammophila
Some Lecanorales, perhaps it is lichenized?
Zdenek Palice,
24-03-2023 22:58
Re : Small green discs on Ammophila
Yes it looks to be lichenized.
Likely a species of the genus Lecania (Ramalinaceae, Lecanorales)
Zdenek
Likely a species of the genus Lecania (Ramalinaceae, Lecanorales)
Zdenek
Marc Detollenaere,
25-03-2023 00:05
Re : Small green discs on Ammophila
Thank you for your reply.I'll try to find a key of Lecania and related genera.
Anthony Carter,
02-04-2023 11:02
Re : Small green discs on Ammophila
I found this on Ammophila in 2017 at Ainsdale, near Liverpool. I consulted my lichen expert at The Liverpool Museum who promoted Lecania cyrtella.
Another colleague has found it in Argyll Scotland also on Ammophila.
Anthony Carter
Another colleague has found it in Argyll Scotland also on Ammophila.
Anthony Carter
Marc Detollenaere,
03-04-2023 21:49
Re : Small green discs on Ammophila
Thank you very much Anthony
Anthony Carter,
04-04-2023 13:40
Re : Small green discs on Ammophila
A bit more information to support the identification.
My notes and pics were sent to Brian Coppins, Senior Lichenologist at Edinburg Royal Botanic Gardens. His response was -
My notes and pics were sent to Brian Coppins, Senior Lichenologist at Edinburg Royal Botanic Gardens. His response was -
Yes, I'd be happy to call this Lecania cyrtella. There are several otherwise mainly corticolous lichens that can find their way onto grasses, esp. Bacidina species. They need a keen eye to spot and happenchance of being in the right place at the right time and in decent weather conditions to be able to 'screen' such a habitat. Also, being aware that such a habitat niche can exist!