The altitudina l distribution of selected species of epiphyllous Lejeuneaceae shows 6 groups (table 1 and 2): I (only lower than 500 m) Cololejeunea setiloba; II (1-1600m) Aphanolejeunea costaricensis, A. moralesiae, Cololejeunea cardiocarpa, C. guadelupensis, C. linopteroides, C. obliqua, C. papillifera, C. standleyi, Colura verdoornii, Cyclolejeunea chitonia, C. peruviana, Diplasiolejeunea brunnea, Microlejeunea epiphylla, Rectolejeunea berteroana, R. cf. emarginuliflora, Stictolejeunea squamata; III (1-3000m) Aphanolejeunea angustissima, Colura tortifolia, Diplasiolejeunea cavifolia, D. pellucida, Drepanolejeunea inchoata, Dr. lichenicola, Lejeunea laetevirens, Odontolejeunea lunulata; IV (only 500-1600m) Aphanolejeunea cingens, A. longifolia, A. pustulosa, Cyclolejeunea accedens, C. convexistipa, Diplasiolejeunea grolleana, D. unidentata, Harpalejeunea uncinata, Lejeunea filipes, Odontolejeunea decemdentata; V (500-3000m) Anoplolejeunea conferta, Aphanolejeunea crenata, A. ephemeroides, Colura tenuicornis, Diplasiolejeunea alata, Drepanolejeunea infundibulata, Dr. mosenii, Lejeunea flava, Omphalanthus filiformis; VI (only above 1600-3000m) Aphanolejeunea camillii, Cololejeunea fefeana, Diplasiolejeunea costaricensis sp.nov., D. involuta
