LICHALP

Caloplaca pusilla (A. Massal.) Zahlbr.

Syn.: Callopisma pusillum (A. Massal.) Trevis., Caloplaca murorum auct. var. pulvinata (A. Massal.) Jatta, Caloplaca murorum auct. f. pulvinata (A. Massal.) Ozenda & Clauzade, Caloplaca saxicola (Hoffm.) Nordin subsp. pulvinata (A. Massal.) Clauzade & Cl. Roux, Gasparrinia pusilla (A. Massal.) Tornab., Physcia murorum auct. var. pulvinata A. Massal., Physcia murorum auct. var. pulvinata A. Massal. f. euphora A. Massal., Physcia pusilla A. Massal., Physcia pusilla A. Massal. var. turgida A. Masssal., Placodium pusillum (A. Massal.) Anzi, Calogaya pusilla (A. Massal.) Arup, Frödén & Søchting

Lichenised.

Substrate: calciferous rocks

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)

Note: a common and widespread, coniophilous and ornithocoprophilous species growing mainly on walls and horizontal surfaces of calcareous rocks, frequently confused with C. saxicola. See also note on C. saxicola.