Orthotrichum rivulare Turn. (Orthotrichaceae, Bryopsida), a hygrophytic species new to the bryophyte flora of Turkey and Southwest-Asia
Erdağ Adnan, ; Kürschner, Harald
Orthotrichum rivulare, a hygrophytic species, known previously from North America and Europe, is reported from western Turkey. It belongs to subgenus Rivularium (Schimp.) Vitt and shows the following differential features: ovate-lanceolate, obtuse leaves, irregularly dentate leaf apex, and plicate, smooth calyptra. A short description and drawings of the species are provided. In addition, a key to the hitherto known 27 Orthotrichum specimens from Turkey is presented.