International audienc

No abstract

International audienc

No abstract

Orthotrichum pamiricum Plášek & Sawicki is described as a new species from the western foothills of the Pamir Mountains of the Tajik-Afghan border in Central Asia. It is placed in Orthotrichum Hedw. subg. Pulchella (Schimp.) Vitt. The species is characterized by obtuse leaf apices, cryptoporous stomata, an exostome composed of 8 pairs of the teeth that are recurved when dry, and an endostome with 16 thin and incurved segments. Molecular data indicating the phylogenetic placement of O. pamiricum are also presented.