New and remarkable records of bryophytes from Venezuela, Brazil, Costa Rica and Ecuador  are reported. Diphyscium chiapense and Hedwigia ciliata var. leucophaea are new to South America.  New to Venezuela are Grimmia reflexidens, Metzgeria claviflora, Pilopogon peruvianus and  Racomitrium subsecundum; Grimmia navicularis and G. trichophylla are firstly reported for Brazil;  Aphanolejeunea microscopica var. africana, A. minuta, A. sintenisii, Cololejeunea bischleriana,  Metalejeunea cucullata, and Hyophila nymaniana represent new records for Costa Rica, and new  to Ecuador are Diphyscium longifolium, Erpodium beccarii, Macrocolura sagittistipula, and (for  continental Ecuador) Marchantia berteroana. Further new records to the states of that countries  and rarely collected species are listed. All specimens are deposited in the private herbaria of the  authors, duplicates in different herbaria as indicated.