El descubrimiento de Bromeliophila helenae Gradst. (Marchantiophyta, Lejeuneaceae) en el norte de los Andes de Colombia

The discovery of Bromeliophila helenae Gradst. (Marchantiophyta, Lejeuneaceae) in the northern Andes of Colombia. We report the discovery in Colombia of the rare liverwort Bromeliophila helenae Gradst., a species previously known from only two localities, one in the Guayana Highland of Venezuela and the other in the Lesser Antilles (Dominica). The oilbodies of the genus Bromeliophila are described for the first time.We also provide a description of the habitat of B. helenae and a comparison with the sister species B. natans (Steph.) R. M. Schust. founded in the Brazilian restinga.