@article{Frahm2002,
  author    = {Jan-Peter Frahm},
  title     = {The taxonomic status of Bryum arachnoideum C. M{\"u}ll. and B. lanatum (P. Beauv.) Brid.},
  journal   = {Tropical bryology},
  number    = {21},
  pages     = {53 -- 56},
  year      = {2002},
}