This is a special issue on bryology of Nova Hedwigia, dedicated to its former Editor-in-Chief, Prof. Dr. Wolfgang Frey. It contains 12 contributions, see table of contents for more details.
Editorial: Taxonomy and biogeography of bryophytes. A special issue in honour of Prof. Dr. Wolfgang Frey 1-3
Engel, John; Jiménez Fernández, Juan A; Kirschner, Roland
Taxonomic identity of Chionoloma bombayense (Pottiaceae, Bryophyta) 5-15
Alonso, Marta; Jiménez, Juan A.; Cano, María J.
Fossombronia hahnii (Marchantiophyta, Fossombroniaceae), a new species from Central Chile 17-26
Müller, Frank
Lophocolea fragrans subsp. cocosana subsp. nov. and L. tenerrima (Marchantiophyta: Lophocoleaceae) new to Central America 27-34
Dauphin, Gregorio; Gradstein, S. Robbert; Morales, Maria I.; Sánchez, Joaquín
Liverworts (Marchantiophyta) of Polylepis pauta forests from Ecuador with description of Leptoscyphus leoniae sp. nov. and Plagiochila pautaphila sp. nov. 35-48
Gradstein, S. Robbert; León-Yánez, Susana
On Metzgeria saccata Mitt. (Marchantiophyta: Metzgeriaceae) with description of a new species from South America 49-58
Gradstein, S. Robbert; Benítez, Ángel
A new and interesting species of Lejeunea Lib. (Marchantiophyta, Lejeuneaceae) from Brazil 59-64
Bastos, Cid José Passos; Gradstein, S. Robbert; Vilas Bôas-Bastos, Silvana B.; Schäfer-Verwimp, Alfons
Prionolejeunea clementinae, a new species of Lejeuneaceae (Marchantiophyta) from Panama 65-71
Ilkiu-Borges, Anna Luiza; Dauphin, Gregorio; Salazar Allen, Noris
Didymodon tibeticus (Bryophyta, Pottiaceae), a new species from Tibet, China 73-80
Kou, Jin; Feng, Chao; Shao, Xiao-Ming
On resurrection of Marsupella parvitexta Steph. (Gymnomitriaceae, Marchantiophyta) as a semi cryptic species of the genus Gymnomitrion 81-101
Mamontov, Yuriy S.; Konstantinova, Nadezhda A.; Vilnet, Anna A.; Potemkin, Alexey D.; Sofronova, Elena V.; Gamova, Natalia S.
Hepatics from Rovno amber (Ukraine), 7. Frullania zerovii, sp. nov. 103-113
Mamontov, Yuriy S.; Ignatov, Michael S.; Perkovsky, Evgeny E.
A revision of the genus Frullania (Marchantiophyta: Frullaniaceae) in Thailand 115-207
Sukkharak, Phiangphak
Frullania as a hotspot for hypocrealean ascomycetes: ten new species from Southeastern North America 209-256
Döbbeler, Peter; Davison, Paul G.
Book reviews 257-259
Kirschner, Roland