The identities of Meteorium undulifolium and M. balansaeanum (Meteoriaceae, Bryopsida).

The article offers information on the characteristics of two Meteorium species, Meteorium balansaenum and Meteorium undulifolium. It states that the two species are totally different from other kinds of Meteorium in morphology. Meteorium undulifolium is a rare species and only been reported from Panama, while Meteorium balansaenum is little known species and only known from its type of locality. Information on the physical characteristics of the two plants is also offered.