Andreaea rothii, or Roth's andreaea moss, is a species of moss in the family Andreaeaceae native to North America and parts of Europe. This plant was described in 1807 by Weber and Mohr.
Andreaea rothii gametophytes sometimes form extensive black to brown cushion-like patches, with individual shoots erect and less than 2 cm tall. The leaves of Andreaea rothii are 1-2 cm wide, and have a strong costa, which is roughly synonymous to a midrib. The leaves can be falcate-secund, curving to one side of ...
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