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This green-grey, rarely recorded species of shaded calcareous rocks and outcrops has a distinctive, white arachnoid prothallus. It is known to occupy a zone shaded during the summer by taller grasses and other vegetation (sometimes alongside rivers). The thallus is covered in pale-green soralia. Discs are pale red-brown to dark grey-brown; spores, 12-18ųm long, three-septate, fusiform-ellipsoid. No lichen substances present. In Ireland, the species occurs in the north and in County Mayo.
Original text submitted by Vince J. Giavarini
|Simms, M. J., (2016). Bacidia fuscoviridis (Anzi) Lettau. [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=18227 Accessed on 2017-03-29.