Pizzo Arera
Pizzo Arera is a mountain of the Bergamasque Prealps of northern Italy. Its peak is above sea level. Geography. It is part of the ridge that divides Val Seriana from Val Brembana. The town of Roncobello is nearby. Fossils can be found on some ridges. It is the largest in a group of four mountains that surround Zambla Alta. The residents of the area around the mountain are often bilingual, speaking Italian and Bergamasque. SOIUSA classification. According to the SOIUSA ("International Standardized Mountain Subdivision of the Alps") the mountain can be classified in the following way: Geology. Arera  is composed mainly of Mesozoic sedimentary rocks, most of them limestones. Flora. Alpine regions have a high rate of endemism and a high diversity of plant species. This taxonomic diversity can be attributed to geographical isolation, glaciation, microhabitat differentiation. "Galium montis-arerae", the Pizzo Arera bedstraw, is a rare plant species in the Rubiaceae. It is named after the mountain, locus classicus where it was first described.