Friday, 25 December 2020

Some Christmas Day Lichens on the Sea Wall in the Erith area (Grid Reference TQ5079)

Lichens present include:

[i] Caloplaca oasis viz. the clustered orange apothecia visible below the Caloplaca saxicola ...
[ii] Caloplaca saxicola...
[iii]Candelariella aurella viz. the lemon/yellow apothecia below the Caloplaca oasis...
[iv] (probable) Lecidella stigmatea viz. the black apothecia without a seeming thallus. It is apparently unwise to identify black apothecia without microscopy... 
[v] Phaeophyscia nigricans (we are told but not really visible to us)...
and [vi] Phaeophyscia orbicularis (just about visible, lower-right of the picture)...


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