The Moss Flora of Çankırı Alpsarı Pond, with a moss record (Pterygoneurum crossidioides W. Frey, Herrnst. & Kürschner) from the Country

The Moss Flora of Çankırı Alpsarı pond (Çankırı, Turkey) was studied. It was found that 332 moss specimen occurred in 73 taxa belonging to 31 genera and 15 families. In The richest 5 families by taxa number were Pottiaceae (26), Brachytheciaceae (10), Grimmiaceae (7), Orthotrichaceae (6), Bryaceae (5) respectively. The richest species by taxa number were; Tortula (8), Orthotrichum (7), Syntrichia (7), Grimmia (6), and Bryum (5). While acrocarpous taxa (54) represented 75% of the whole flora, the ratio of pleurocarpous (18) was 25%. Funaria hygrometrica (Hedw.), Grimmia alpestris (F.Weber & D.Mohr) Schleich., Bryum pallens (Sw. ex anon.) were identified first time from Çankırı province; Ceratodon conicus (Hampe) Lindb., Weissia longifolia (Mitt.), Bryum intermedium (Brid.) Blandow, Grimmia crinita Brid, and Tomentypnum nitens (Hedw.) Loeske. were identified first time from A2 grid square; and Pterygoneurum subsessile (Brid.) Jur. record was given for the second time in Turkey. In addition, P. crossidioides (W. Frey, Herrnstr. & Is Kurschner) was reported for the first time in Turkey. The species which is rarely distributed in arid regions has been reported worldwide in Israel and Hungary.