LICHALP

Ricasolia virens (With.) H.H. Blom & Tønsberg

Syn.: Lichen herbaceus Huds., Lichen laetevirens Lightf., Lichen virens With., Lobaria herbacea (Huds.) DC., Lobaria laetevirens (Lightf.) Zahlbr., Lobaria virens (With.) J.R. Laundon, Ricasolia herbacea De Not. nom.illeg., Sticta herbacea Ach. nom.illeg.

Lichenised.

Substrate: bark, rocks

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a mild-temperate to humid subtropical species found on old deciduous trees, more rarely on mossy rocks in old, natural, warm-humid forests; very rare, and strongly declining in the Alps.