''Ptychostomum 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
The British Isles are an archipelago in the Atlantic Ocean, North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner Hebrides, Inner and Outer Hebr ...
in the 1940s according to the Species Recovery Trust and in 2001 according to the
IUCN
The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...
, 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,
References
Bryaceae
{{bryidae-stub