Orthotrichum vittii, a new epiphytic moss from Spain

A new species, Orthotrichum vittii F. Lara, Garilleti, & Mazimpaka (Orthotr ichaceae, Bryopsida) is described The new taxon, close to Orthotrichum diap hanum Brid. and O. macrocephalum F. Lora, Garilleti, & Mazimpaka, is charac terized by leaf apices with short hyaline awns, leaf areolation firm and no t bulging, capsules emergent and strongly ribbed, stomata cryptoporous, exo stome with eight pairs of teeth that are recurved when dry, endostome with 16 thin segments that are incurved and frequently appendiculate, and prosto me occasionally present. It is distributed throughout Spain, especially in the eastern halt; and is a xerophytic epiphyte with marked preferences for mountainous-continental Juniperus thurifera forests.