@article{Frahm1999,
  author    = {Jan-Peter Frahm},
  title     = {A type catalogue of Campylopodioideae and Paraleucobryoideae (Musci, Dicranaceae) : part 2, Campylopus},
  journal   = {Tropical bryology},
  number    = {16},
  pages     = {17 -- 102},
  year      = {1999},
}