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Look for this crustose, siliceous rock-inhabiting lichen on rocks by the seashore where it is generally rare. In A. recedens the discs obscure the view of the dark blue-grey thallus, which is warted and cracked with a silky sheen. The discs (to 1mm diam.) are crowded, three-six per areole and black when wetted. Thallus reactions = (K-, Pd-). In Ireland: County Kerry.
Original text submitted by Vince J. Giavarini
|Simms, M. J., (2016). Aspicilia recedens (Taylor) Arnold. [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=18202 Accessed on 2016-05-04.