Caloplaca limonia Teloschistaceae
Flavoplaca limonia (Caloplaca limonia)

Growth type crustose
Chemical results: K+ red

Widespread and very common on walls, mortar and calcareous rocks.

The dull or brighter yellow thallus is frequently slightly white-pruinose and forms an areolate crust. Areoles become covered by relatively large, pale yellow blastidia. Apothecia can be frequent, the margin sometimes with blastidia or isidia. Spores polarilucular, (9-)11-15 x (3-)5-8(-9) Ám, septa slightly less than half the spore length in width.

Previously included in the Flavoplaca citrina aggregate.


Caloplaca limonia

Caloplaca limonia

Caloplaca limonia
Caloplaca limonia
Godlingston Hill and Shapwick, Dorset. October 2012, March 2014

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