Citation: Nc. Arens et Ar. Smith, CYATHEA PLANADAE, A REMARKABLE NEW CREEPING TREE FERN FROM COLOMBIA, SOUTH-AMERICA, American fern journal, 88(2), 1998, pp. 49-59
Citation: Nc. Arens et Ps. Baracaldo, DISTRIBUTION OF TREE FERNS (CYATHEACEAE) ACROSS THE SUCCESSIONAL MOSAIC IN AN ANDEAN CLOUD FOREST, NARINO, COLOMBIA, American fern journal, 88(2), 1998, pp. 60-71
Citation: Nc. Arens, RESPONSES OF LEAF ANATOMY TO LIGHT ENVIRONMENT IN THE TREE FERN CYATHEA-CARACASANA (CYATHEACEAE) AND ITS APPLICATION TO SOME ANCIENT SEED FERNS, Palaios, 12(1), 1997, pp. 84-94