Moss among three divisions: Bryophyta, Marchantiophyta and Anthocerotophyta. The current circumscription of Bryophyta includes only the mosses. The mosses, now division Bryophyta (Bryophyta sensu stricto), are divided into eight classes: Six of the eight classes contain only one or two genera each. Polytrichopsida includes 23 genera, and Bryopsida includes the majority of moss diversity with over 95% of moss species belonging to this class. The Sphagnopsida, the peat-mosses, comprise the two living genera "Ambuchanania" and "Sphagnum", as well as fossil taxa. However, the genus "Sphagnum" is a diverse, widespread, and economically important one. These large mosses form extensive acidic bogs in
Ford Moss Ford Moss Ford Moss is a Site of Special Scientific Interest (SSSI), containing a Scheduled Ancient Monument, located south-west of Berwick-upon-Tweed, Northumberland, England. The site is managed by the Northumberland Wildlife Trust and gained its SSSI status in 1968, and in 2005 it was designated a Special Area of Conservation. Ford Moss is bound to the south by the high Goatscrag Hill and the west by the Blackchester Hill, both of which are sandstone formations. It is one of two SSSIs located on the Ford & Etal estate which were originally two separate estates combined in 1908 when James Joicey,