Andersson, M. S. & Gradstein, S. R. (2005): Impact of managemet intensity on non vascular epiphyte diversity in cacao plantations in Western Ecuador. Biodiv. Conserv. 14: 1101-1120.

Bischler, H., Gradstein, S. R., Jovet-Ast, S., Long, D. G. & Salazar Allen, N. (2005): Marchantiidae. Flora Neotropica Monogr. 97: 1-262.

Bock, C. & Hauck, M. (2005): Graphis tetralocularis, a new lichen with four-celled ascospores from tropical Africa. Lichenologist 37: 105-108.

Croat T. B. & Acebey A. (2005): New species of Araceae from Bolivia and the tropical Andes. Novon 15: 80-103.

Dulamsuren, Ch., Hauck, M. & Mühlenberg, M. (2005): Vegetation at the taiga forest-steppe borderline in the western Khentey Mountains, northern Mongolia. Ann. Bot. Fennici 42: 411-426.

Dulamsuren, C., Hauck, M. & Mühlenberg, M. (2005): Ground vegetation in the Mongolian taiga forest-steppe ecotone does not offer evidence for the human origin of grasslands. Applied Vegetation Science 8: 149-154.

Dulamsuren, C., Welk, E., Jäger, E. J., Hauck, M. & Mühlenberg, M. (2005): Range-habitat relationships of vascular plant species at the taiga forest-steppe borderline in the western Khentey Mountains, northern Mongolia. Flora 200: 376-397.

Feldberg, K. & J. Heinrichs (2005): Some new synonyms of Herbertus sendtneri Nees) Lindb. (Jungermanniidae: Herbertaceae) from the Neotropics. Cryptogamie, Bryol. 26: 411-416.

Feldberg, K. & J. Heinrichs (2005): On the identity of Herbertus borealis (Jungermanniopsida: Herbertaceae), with notes on the possible origin of H. sendtneri. J. Bryol. 27: 343-350.

Goward, T. & Spribille, T. (2005): Lichenological evidence for the recognition of inland rainforests in western North America. J. Biogeogr. 32: 1209-1219.

Gradstein, S. R. (2005): Orbituary: Riclef Grolle (1934-2004). J. Bryol. 27: 169-171.

Gradstein, S. R. (2005): Species Hepaticarum, Franz Stephani (1842-1827): an Introduction. In: F. Stephani, Species Hepaticarum Vol. 1, reprinted edition, p. i-vi. Dehra Dun, India.

Gradstein, S.R. (2005): Der Göttinger Botanische Garten und die Pflanzensystematik einst und jetzt. Jahrbuch Akad. Wiss. Göttingen 2005 (acc).

Gradstein, S. R. (2005): Review of: R. Grolle & K. Meister, The Liverworts in Baltic and Bitterfeld Amber. Herzogia (acc.).

Gradstein, S. R. & Heinrichs, J. (2005): Bryophylogeny 2004 - Second international symposium on the molecular systematics of bryopyhtes. Taxon 54: 291-292.

Gradstein, S. R. & Holz, I. (2005): Diversidad de las briofitas en los paramos de Costa Rica. Pp. 361-374 in: M. Kappelle & S. P. Horn (eds.), Paramos de Costa Rica. InBio, Costa Rica.

Gradstein, S. R., Schäfer-Verwimp, A. & Pinheiro da Costa, D. (2005): The liverworts (Marchantiophyta) of the state of Goiás, Brazil. Revista de Biologia Neotropical 2.

Gradstein, S. R., Tan, B. C., Zhu, R.-L., King, C., Drübert, C. & Pitopang, R. (2005): Catalogue of the Bryophytes of Sulawesi, Indonesia. J. Hattori Bot. Lab. 98: 213-257.

Greuter, W., Aghababian, M. & Wagenitz, G. (2005): Vaillant on Compositae - systematic concepts and nomenclatural impact. Taxon 54: 149-174.

Greuter, W., Aghababian, M. & Wagenitz, G. (2005):(1670-1675) Proposals to conserve the names Bellidiastrum, Berkheya, Euryops, Notobasis, Picnomon and Urospermum (Compositae) against six generic names of Vaillant. Taxon 54: 196-198.

Grolle, R. & Reiner-Drehwald, M. E. (2005): Pictolejeunea levis, a new species of Lejeuneaceae (Jungermanniopsida) from Cuba. J. Bryol. 27: 281-283.

Groth, H. & Heinrichs, J. (2005): Maximum likelihood analyses of chloroplast gene rbcL sequences indicate relationships of Syzygiella (Jungermanniopsida) with Lophoziaceae rather than Plagiochilaceae. Cryptogamie, Bryol. 26: 49-57.

Hauck, M. (2005): Epiphytic lichen diversity on dead and dying conifers under different levels of atmospheric pollution. Environ. Pollut. 105: 111-119.

Hauck, M., Hofmann, E. & Schmull, M. (2005): Site factors determining epiphytic lichen distribution in a dieback-affected spruce-fir forest on Whiteface Mountain, New York: microclimate Ann. Bot. Fennici 42 (in press).

Hauck, M. & Paul, A. (2005): Manganese as a site factor for epiphytic lichens. Lichenologist 37: 409-423.

Hauck, M. & Spribille, T. (2005): The significance of precipitation and substrate chemistry for epiphytic lichen diversity in spruce-fir forests of the Salish Mountains, northwestern Montana. Flora 200: 547-562.

Heinrichs, J. (ed.) (2005): Bryophyta Exsiccata Generis Plagiochilae, Fascicle 6: 251-300. University of Göttingen Herbarium.

Heinrichs, J., Gradstein, S. R., Wilson, R. & Schneider, H. (2005): Towards a natural classification of liverworts (Marchantiophyta) based on the chloroplast gene rbcL. Cryptogamie, Bryol. 26: 131-150.

Heinrichs, J., M. Lindner, S. R. Gradstein, H. Groth, V. Buchbender, A. Solga, E. Fischer (2005): Origin and subdivision of Plagiochila (Jungermanniidae: Plagiochilaceae) in tropical Africa based on evidence from nuclear and chloroplast DNA sequences and morphology. Taxon 54: 317-333.

Heinrichs, J., M. Lindner, H. Groth & C. Renker (2005): Distribution and synonymy of Plagiochila punctata (Taylor) Taylor, with hypotheses on the evolutionary history of Plagiochila sect. Arrectae (Plagiochilaceae, Hepaticae). Plant Syst. & Evol. 250: 105-117.

Heinrichs, J., Wilson, R., Feldberg, K., Hentschel, J., Schäfer-Verwimp, A., León-Yánez, S. & Yandún, S. (2005): The systematic position of Plagiochila (Jamesoniella) dependula (Jungermanniopsida) inferred from nrITS sequences and morphology, with notes on its differentiation from Plagiochila fuscolutea. J. Bryol. 27: 319-327.

Herzog, S.K., M. Kessler & K. Bach (2005):The elevational gradient in Andean bird species richness at the local scale: a foothill peak and a high-elevation plateau. Ecography 28: 209-222.

Holz, I. & Gradstein, S. R. (2005): Phytogeography of the bryophyte floras of oak forests and páramo of the Cordillera de Talamanca, Costa Rica. J. Biogeogr. 32: 1591-1609.

Holz, I. & Gradstein, S. R. (2005): Cryptogamic epiphytes in primary and recovering upper montane oak forests of Costa Rica - species richness, community composition and ecology. Pl. Ecol. 178: 89-109.

Ilkiu-Borges, A. L. (2005): A taxonomic revision of Echinocolea (Lejeuneaceae, Hepaticae). Nova Hedwigia 80: 45-71.

Ilkiu-Borges, A. L. & Schäfer-Verwimp, A. (2005): On Prionolejeunea grollei, a new species from the West Indies (Lejeuneaceae, Hepaticae). Cryptogamie, Bryol. 26: 29-35.

Jácome, J. & Kessler, M. (2005): Effects of simulated climate change on biomass allocation patterns of seedlings of two Andean Lepidium species (Brassicaceae) with different elevational distibutions. Ecotropica 11: 73-77.

Janssen, T & Schneider, H. (2005): Exploring the evolution of humus collecting leaves in drynarioid ferns (Polypodiaceae, Polypodiidae) based on phylogenetic evidence. Pl. Syst. Evol. 252: 175-197.

Jørgensen, P.M., Macía, M.J., Fuentes, A., Beck, S.G., Kessler, M., Paniagua, N., Seidel, R., Maldonado, C., Araujo-Murakami, A., Cayola, L., Consiglio, T., Killeen, T.J., Cabrera, W.H., Bascopé, F., De la Quintana, D., Miranda, T., Canqui, F. & Cardona- Peña, V. (2005): Lista anotada de las plantas vasculares registradas en la tregión de Madidi. Ecología en Bolivia 40: 70-169.

Kessler, M., Keßler, P. J. A., Gradstein, S. R., Bach, K., Schmull, M. & Pitopang, R. (2005): Tree diversity in primary forests and different land use systems in Central Sulawesi, Indonesia. Biodivers. Conserv. 14: 547-560.

Kessler, M. & Smith, A.R. (2005): Megalastrum (Dryopteridaceae – Pteridophyta) in Bolivia, with descriptions of six new species. American Fern Journal 95: 200-213.

Kessler, M. & Smith A. R. (2005): Seven new species, 13 new combinations, and one new name of Polypodiaceae (Pteridophyta) from Bolivia. Candollea 60: 271-288.

Kessler, M., Smith, A. R. & Sundue, M.A. (2005): Three new species of Hymenophyllum (Hymenophyllaceae) from Bolivia. Blumea 50: 555-559.

Kessler, M., Smith A. R. & Sundue M. A. (2005): Notes on the genus Polystichum (Dryopteridaceae, Pteridophyta) in Bolivia, with descriptions of ten new species. Brittonia 57: 205-227.

Kluge, J. & Kessler. M. (2005): Inventory of pteridophytes along an elevational transect in Braulio Carrillo National Park, Biological Station La Selva and Cerro de la Muerte, Costa Rica. Brenesia 63-64: 11-34.

Krömer, T., Kessler, M., Gradstein, S. R. & Acebey, A. (2005): Local-scale diversity patterns of vascular epiphytes along an elevational gradient in the Andes. J. Biogeogr. 32: 1799-1810.

Lehnert, M. (2005): Reconsideration of Alsophila odonnelliana (Cyatheaceae), an Andean tree fern. Brittonia 57: 228-236.

Paul, A. (2005): Manganese as a site factor for epiphytic lichens. Dissertation, Göttingen (print version, also available in the internet: paul.pdf).

Reiner-Drehwald, M. E. (2005): Taxilejeunea pulverulenta (Lejeuneaceae, Jungermanniopsida), a poorly known species from the Neotropics, is transferred to Lejeunea. Cryptogamie, Bryol. 26: 59-65.

Reiner-Drehwald, M. E. (2005): On Lejeunea rotundifolia and Dicladolejeunea (Lejeuneaceae, Jungermanniopsida) Syst. Bot. 30: 687-692.

Reiner-Drehwald, M. E. (2005): On Amphilejeunea and Cryptogynolejeunea, two small genera of Lejeuneaceae (Jungermanniopsida), and two common neotropical Lejeunea species. Nova Hedwigia 81: 395-412.

Schmidt-Lebuhn, A., Kessler, M. & Müller, J. (2005): Evolutionary history of Suessenguthia (Acanthaceae) inferred from morphology, AFLP data and ITS sequences. Org. Divers. Evol. 5: 1-13.

Schmull, M. & Hauck, M. (2005): Lecidea hercynica, a new montane epiphytic lichen from Germany. Lichenologist 37: 485-489.

Schmull, M., Heinrichs, J. Baier, R., Ullrich, D., Wagenitz, G., Groth, H., Hourticolon, S. & Gradstein, S. R. (2005): The type database at Göttingen (GOET) - a virtual herbarium online. Taxon 54: 251-254.

Schmull, M. & Spribille, T. (2005): Schaereria dolodes (Nyl. ex Hasse) Schmull & T. Sprib.: a second corticolous species in the genus. Lichenologist 37: 527-533.

Schneider, H., Ranker, T.A., Russell, S.J., Cranfill, R., Geiger, J.M.O., Aguraiuja, R., Wood, K.R., Grundmann, M., Kloberdanz, K. & Vogel, J.C. (2005): Origin of the endemic fern genus Diellia coincides with the renewal of Hawaiian terrestrial life in the Miocene. Proc. R. Soc. B 272: 455-460.

Schröder, F.-G. (2005): Zum 50. Todestag von Carl Alwin Schenck. Mitt. Dtsch. Dendrol. Ges. 90:153-171.

Smith, A. R., León, B., Tuomisto, H., van der Werff, H., Moran, R. C., Lehnert, M. & Kessler, M. (2005): New records of pteridophytes for the Flora of Peru. Sida 21: 2321-2341.

Wagenitz, G. (2005): Adelbert von Chamisso als Naturforscher und E.T.A. Hoffmann als Wissenschaftskritiker. - Nachr. Akad. Wiss. Göttingen, Math.-Nat. Kl. 2005 (2): 35-60.

Werner, F., Homeier, J. & Gradstein, S. R. (2005): Diversity of vascular epiphytes on isolated remnant trees in the montane forest belt of southern Ecuador. Ecotropica 11: 21-40.

Zhu, R.-L. & Gradstein, S. R. (2005): A monograph of the genus Lopholejeunea (Hepaticae) in Asia. Syst. Bot. Monogr. 74, 98 pp.

Zündorf, H.-J., Manitz, H. & Gradstein , S. R. (2005): Riclef Grolle (1934-2004) - life, work and collections of an outstanding hepaticologist. Cryptogamie, Bryol. 26: 5-27.