Estudi de la brioflora dels ^Ports de Beseit

Bryophyticjlora of the Ports de Beseit (NE Spain). A catalog of the 186 bryophytic taxa found in the calcareous mountain area of the Ports de Beseit is given, together with a short des- cription of the bryological vegetation, and comments on interesting species such as Acaulon derto- sense, Frullania muscicolu, Brachythecium olympicum, Rhynchostegiella compacta, Tortula solmsii, etc. Chorological and ecological spectra are also given.