LICHALP

Caloplaca lacteoides Nav.-Ros. & Hladun

Lichenised.

Substrate: calciferous rocks

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a species of the C. crenulatella-lactea-group with an endolithic thallus, finally sessile apothecia which are less than 0.5 mm in diam. and of a egg-yolk yellow colour, narrowly ellipsoid ascospores longer than 16 µm, with a thin (less than 3 µm) septum; usually on calcareous pebbles and low outcrops in Aspicilia contorta-communities, but also on concrete; mainly Mediterranean, with some records from the Western Alps only.