The study
of type collections of Physcomitrium martianovii Broth. ex Abramov
reveals that it is a synonym of Entosthodon hungaricus (Boros) Loeske. However,
the type of Physcomitrium martianovii var. majus is Physcomitrium
pyriforme (Hedw.) Brid. A description and illustrations of the type
material are provided.