The rheophilic bryophyte vegetation of a montan e stream between 2450-2650 m alt, near San Francisco, in the northwest of Cundinamarca, on the western slope of the Colombian Cordillera Oriental, was studied following the Zurich-Montpellier approach. Recognized were: 1) community of Thamnobryum fasciculatum and Monoelea gottschei. under foresto and 2) community of Brachythecium plumosum and Platyhypnidium aquaticum. outside the forest. The structure, floristic composition and ecological aspects were considered.
