@article{StechFrahm2000,
  author    = {Michael Stech and Jan-Peter Frahm},
  title     = {The systematic position of Gradsteinia andicola Ochyra (Donrichardsiaceae, Bryopsida) : evidence from nrDNA internal transcribed spacer sequences},
  journal   = {Tropical bryology},
  number    = {18},
  pages     = {75 -- 85},
  year      = {2000},
}