Sp. Musc. Frond.,166. 1801 ,
North America, Europe, Asia, Pacific Islands (New Zealand), Australia.
Species 12 (4 in the flora).
Buxbaumia plants are unlikely to be seen unless sporophytes are present. No other genus in North America is likely to be confused with it, as the characteristic obliquely oriented sporangium on erect rough seta makes it distinctive. Sporophytes appear in fall, capsules mature in spring.
|1||Upper face of capsule, when mature, with a shiny ridge bounding the margin of the face||> 2|
|1||Upper face of capsule, when mature, not or weakly bounded by a marginal ridge, but gradually merging with lower face||> 3|
|2||Capsule glossy, dark chestnut red-brown when mature, broadly ovoid, face nearly perpendicular to seta.||Buxbaumia aphylla|
|2||Capsule dull brown to greenish brown when mature, narrowly ovoid, face strongly oblique to seta.||Buxbaumia piperi|
|3||Capsule narrowly ovoid to cylindric; exterior membrane of upper face intact when mature, not opalescent, generally dull.||Buxbaumia minakatae|
|3||Capsule ovoid; exterior membrane of upper face of capsule splitting irregularly longitudinally and curling outward or inward, opalescent.||Buxbaumia viridis|