''Bryum turbinatum'', also known as topshape thread-moss or pear-fruited bryum, is a species of moss found in continental Europe and the US. The species became extinct across the
British Isles in the 1940s according to the Species Recovery Trust and in 2001 according to the
IUCN
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
, and it has not reestablished since.
''Splachnobryum kieneri'' is listed by the USDA as a synonym.
USDA Plants Database
/ref>
It grows on the edges of ditches and ponds, on calcareous, gravelly ground.
References
turbinatum
{{Bryophyte-stub