Fissidens (Fissidentaceae, Bryopsida) from Papua New Guinea located in the herbarium of the Australian National Botanical Gardens (CBG)

Collections of Fissidens made by the late Dr. Heinar Streimann in Papua New Guinea were found to include 40 species and 4 varieties. Three of these species―F. pseudautoicus, F. pseudojavanicus, and F. streimannii,―new to science, are described and illustrated, as are F. vanzanteni, F. hollianus var. asperisetus, F. flexifolius, F. asplenioides, and F. gedehensis. Additions to the Fissidens flora of New Guinea number 16 species and 3 varieties―F. angustifolius, F. bogoriensis, F. dietrichiae, F. capitulatus, F. hollianus var. asperisetus, F. incongnitus, F. kurzii, F. lagenarius, F. lautokensis, F. linearis var. linearis, F. pseudoceylonensis, F. punctulatus, F. rupicola, F. virens, F. oblongifolius var. hyophilus, F. pallidus, F. curvato-involutus, and F. teysmannianus. Key to the subgenera and sections, and species are provided.