LICHALP

Porpidinia tumidula (Sm.) Timdal

Syn.: Biatorina mammillaris Jatta nom.illeg., Biatorina tumidula (Sm.) A.L. Sm., Lecidea mammillaris Dufour nom.illeg., Lecidea mezenteriformis (Tourr. ex Vill.) Vain., Lichen mammillaris Gouan nom.illeg., Lichen tumidulus Sm., Thalloidima mammillare A. Massal. nom.illeg., Thalloidima mezenteriforme (Tourr. ex Vill.) Arnold, Thalloidima submammillare Flagey, Thalloidima tumidulum (Sm.) Szatala, Toninia hercegovinica Zahlbr., Toninia mezenteriformis (Tourr. ex Vill.) Schuler, Toninia submammillaris (Flagey) Zahlbr., Toninia tumidula (Sm.) Zahlbr.

Lichenised.

Substrate: calciferous rocks, calciferous soil

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: on weathered calciferous rocks, most often in fine crevices and on steeply inclined surfaces, with optimum in the submediterranean belt.