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
Moss Garden their most painterly and abstract". Moss Garden "Moss Garden" is an instrumental piece written by David Bowie and Brian Eno in 1977 for the album ""Heroes"". It was the second of three instrumentals on side two of the original vinyl album that segued into one another, following "Sense of Doubt" and preceding "Neuköln". The track features Bowie plucking a koto, a traditional Japanese string instrument, the sound of which has been likened to "a banjo half asleep". In contrast to the foreboding "Sense of Doubt" that precedes it, "Moss Garden" is a tranquil, ethereal piece, described by biographer David Buckley