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| Prof. Dr. S. Robbert Gradstein | |||||||||||||||
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| Curriculum vitae |
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EDUCATION: 1969 M.Sc. in biology, University of Utrecht. 1970-71 Graduate school, University of Cincinnati, U.S.A. 1975 Ph.D. in botany, University of Utrecht. EMPLYOYMENT: 1970-1971 Graduate research assistent, University of Cincinnati 1971-1995 Curator and docent, Herbarium, University of Utrecht 1986-1987 Professor of Tropical Botany, Univ. of Michigan 1995 -2009 Professor of Botany, Univ. of Göttingen PRESENT POSITION: Retired Professor of Botany of the University of Göttingen (since 1.4.2009) OTHER POSITIONS: 1976 Fullbright fellow, Univ. of Colorado, Boulder, USA 1979 JSPS Fellow, National Science Museum, Tokyo, Japan 1993 Andrew Mellon Visiting Scientist, Smithsonian Institution, Washington, USA 2000 Visiting scientist, Botanical Garden, Rio de Janeiro, Brazil 2003-2006 External Examiner, University of Malaysia, Kuala Lumpur 2005 Visiting scientist, New York Botanical Garden, New York City PROFESSIONAL POSITIONS (* held at present): * Editor-in-Chief, TAXON * Past President, International Association of Bryologists * Founder and honorary associate, Herbarium Celebense, Palu, Indonesia * Editorial Board: Candollea, Boissiera, Caldasia External Examiner, University of Malaya (Biol. Dept.), Kulala Lumpur Associate Editor, Journal of Bryology (1990-2006) President, International Association of Bryologists (1999-2005) Deputy-Director, Organization for Flora Neotropica, UNESCO (1987-2005) Editor, Flora Neotropica (1987-2005) Editor, Bryophytorum Bibliotheca (1984-2005) Member, Threatened Species Committee, Int. Union for the Conservation of Nature (IUCN) (1990-2002) Advisor, Biodiversity program, "Tropenbos Foundation", The Netherlands (1992-1993) Advisor, Netherlands Foundation for Tropical Research (WOTRO) (1987-1991I Chairman, Netherlands Foundation for Biological Research (BION) Plant Syst. Div. (1984-1989) Vice-President, Royal Dutch Botanical Society (1980-1983) Editor, Acta Botanica Neerlandica (1980-1983) Member, International Committee for Nomenclature of Bryophyta (1981-1994) Founder and Secretary-Treasurer, International Association of Bryologists (1970-1987) HONORS: 2006 Advisory Professor, East China University, Shanghai 2005 First recipient, Fundraising Prize,University Foundation of Göttingen 1999 Member, Academy of Sciences, Göttingen 1995 Prix Augustin-Pyramus de Candolle (Switzerland) 1993 Research Affiliation, Smithsonian Tropical Research Institute, Panama 1976 Jesse M. Greenman Award (Missouri Bot. Garden, U.S.A.) HABILITATIONS DIRECTED: 2007 J. Heinrichs (Univ. Göttingen) 2006 H. Schneider (Univ. Göttingen) 2003 M. Hauck (Univ. Göttingen) 2001 M. Kessler (Univ. Göttingen) DISSERTATIONS DIRECTED: 2008- Lee Gaikee (Univ. of Malaysia) Lejeunea of Malaysia 2008-2011 P. Sukkharak (Univ. Göttingen) Monograph of the genus Thysananthus. 2007-2010 C. Gehrig (Univ. Göttingen) The tropical lowland cloud forest: epiphyte diversity and ecology 2003-2008 Nunik S. Aryanti (Agric. Univ. Bogor, IPB) Bryophytes of Sulawesi 2003-2008 S. Sporn (Univ. Göttingen) Cryptogamic epiphyte vegetation of cacao plantations and rain forests of Sulawesi, Indonesia 2003-2007 F.A. Werner (Univ. Göttingen) Effects of human disturbance on epiphyte assemblages in the Andes of Ecuador 2003-2007 N. Mandl (Univ. Göttingen) Bryophyte and macrolichen diversity of the Purdiaea nutans forest of southern Ecuador in relation to soil, climate and vegetation structure 2003-2006 R. Wilson (Univ. Göttingen) Molecular phylogeny of the Lejeuneaceae 2002-2006 Ramadhanil Pitopang (Univ. Palu, Sulawesi) - Tree diversity in six land use types differing in use intensity in Lore Lindu National Park, Sulawesi 2002-2005 H. Groth (Univ. Göttingen) Molecular phylogeny of the genus Plagiochila 2001-2005 A.L. Ilkiu-Borges (Univ. Göttingen) Monograph of the genus Prionolejeunea 2001-2005 J. Uribe M. (Univ. Bogotá) Monograph of Frullania subgen. Meteoriopsis 2001-2004 N. Nöske (Univ. Göttingen) Anthropogenic impact on cryptogamic epiphyte vegetation in southern Ecuador 2000-2004 K. Bach (Univ. Göttingen) Vegetationskundliche Untersuchungen zur Höhenzonierung tropischer Bergregenwälder in den Anden Boliviens 1999-2003 J. Gonzales (Univ. Göttingen): Monograph of the genus Sticherus (Ferns) 19992003 I. Holz (Univ. Göttingen): Diversity and ecology of bryophytes and macrolichens in primary and secondary montane Quercus forests, Cordillera de Talamanca,Costa Rica 1998-2003 T. Krömer (Univ. Göttingen): Epiphyte vegetation in the canopy of submontane rain forests and fallows in Bolivia 1998-2003 A. Berg (Univ. Göttingen): Vegetation and phytogeography of the páramos of Venezuela 1996-2002 J. Heinrichs (Univ. Göttigen): Monograph of neotropical Plagiochila 1996-2000 G. Dauphin (Univ. Göttingen): Monograph of Ceratolejeunea (Hepaticae). 1996-2000 G. Weis (Univ. Göttingen): Sporophyte anatomy of Lejeuneaceae and Jubulaceae 1992-1995 E. M. Reiner-Drehwald (Univ. Buenos Aires): Lejeuneaceae of Argentina 1988-1993 J. Wolf (Univ. Amsterdam): Ecology of epiphytes in montane rain forests of Colombia 1988-1993 A. Aptroot (Univ. Utrecht): Taxonomy and phylogeny of pyrenocarpous lichens 1984-1988 W.H.A. Hekking (Univ. Utrecht): Monograph of neotropical Violaceae 1981-1985 M.W. van Slageren (Univ. Utrecht): Taxonomy of Lejeuneaceae (Hepaticae) 1980-1985 G.B.A. van Reenen (Univ. Utrecht): Altitudinal zonation of the Andes of ´ Colombia 1978-1983 H.J. Sipman (Univ. Utrecht): Monograph of the Megalosporaceae (Lichenes) 1976-1987 M.A. Bruggeman-Nannenga (Univ. Utrecht): Taxonomy of Fissidentaceae 1976-1987 C. Oostendorp (Univ. Utrecht): Palaeozoic and Mesozoic bryophytes 1976-1979 H. van der Werff (Univ. Utrecht): Vegetation of the Galapagos Islands EXTERNAL EXAMINER DISSERTATIONS: 1986 S. Piippo (Univ. Helsinki) 2002 F. van Dunné (Univ. Amsterdam) 2005 I. Ahonen (Univ. Helsinki) 2006 A. Juslén (Univ. Helsinki) 2007 T. Jansen (Univ. Paris) 2007 C. Ah-Peh (Univ. Réunion) COURSES TAUGHT IN THE TROPICS (tropical botany, bryology): Nov-Dec 2009 ECUADOR: Quito, tropical plant geography (MSc Biodiversidad, Universidad Catolica) November 2009 ECUADOR: Loja (course, UTPL) August 2009 INDONESIA: Bogor (Training course BIOTROP) August 2007 INDONESIA: Bogor (4.Training course BIOTROP) September 2006 ECUADOR: Quito (Internat. course, Universidad Catolica) September 2005 INDONESIA: Bogor (3.Training course BIOTROP) September 2003 INDONESIA: Bogor (2.Training course BIOTROP) September 2001 INDONESIA: Bogor (1.Training course BIOTROP) August 1998 BRAZIL: Recife (Course at Universidad Federal de Recife, DAAD) August/Sept. 1997 ECUADOR: Quito (Internat. Course, Universidad Catolica, DAAD) July 1996 BRAZIL: Rio de Janeiro (Course, Brazilian Botanical Congress) March 1996 PANAMA: Panamá (Internat. course, Univ. Panamá, supported by EEC) July 1988 PUERTO RICO (Internat. course, Univ. of Puerto Rico) October 1984 COLOMBIA: Bogotá (Course, Universidad Nacional: Fac. Biologia) |
| Research interests |
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Tropical botany, especially of tropical America and Indonesia Systematics and ecology of cryptogamic plants, especially liverworts LOCATIONS OF FIELD RESEARCH: Tropical America: Colombia, Venezuela, Ecuador (incl. Galapagos Islands), Peru, Bolivia, Brazil, French Guiana, Guyana, Suriname, Panama, Costa Rica, Mexico, Puerto Rico, Guadeloupe, Dominica Africa: La Réunion Tropical Asia: Papua New Guinea, Japan, Indonesia (Java, Sulawesi), Malaysia Europe: Crete, Ardennes RESEARCH GRANTS: 1. German Research Foundation (DFG) 2007-2010 Fog climate and epiphyte diversity of the Tropical Lowland Cloud Forest of French Guyana (with Prof. J. Bendix, Univ. Marburg). Research assistant: Christine Gehrig. 2007-2009 DFG-Research Unit 816: "Biodiversity and Sustainable Management of a megadiverse Mountain Ecosystem in South Ecuador". Project A2.5: Dynamics of epiphyte diversity in disturbed and undisturbed montane forest. Research assistant: Florian Werner. 2007-2008 Molecular Phylogeny of Adelantaceae, Hepaticae (with Dr. J. Heinrichs). Research assistant: Kathrin Feldberg. 2007-2010 Fog climate and epiphyte diversity of the Tropical Lowland Cloud Forest of French Guyana (with Prof. J. Bendix, Univ. Marburg). Research assistant: Christine Gehrig. 2005-2007 Molecular Phylogeny of Porellales, Hepaticae (with Dr. J. Heinrichs & Dr. H. Schneider). Research assistant: Jörn Hentschel. 2005-2006 DFG-Research Unit 402: "Funktionalität in einem tropischen Bergregenwald, Süd-Ecuador". Project A10: Response of epiphyte communities to forestry manipulation and clear-cutting in a motane forest of southern Ecuador. Research assistant: Florian Werner. 2005-2006 Liverworts of French Guiana. Sabattical research project at New York Botanical Garden. Research assistant: Anna Louise Ilkiu Borges. 2003-2005 Molecular Phyogeny of Lejeuneaceae, Hepaticae (with Dr. J. Heinrichs). Research assistant: Rosemary Wilson. 2003-2005 DFG-SFB 552: Stabilität von Randzonen tropischer Regenwälder in Indonesien. Project C2: Plant diversity as a funtion of land use intensity. Research assistants: Simone Sporn, Nunik S Aryanti, Ramadhanil Pitopang. 2003- 2006 DFG-Research Unit 402: "Funktionalität in einem tropischen Bergregenwald, Süd-Ecuador". Project A4: Cryptogamic plant diversity of the Purdiaea nutans forest in southern Ecuador and its relationship to soil, climate and vegetation structure (with Dr. M. Kessler, Dr. H.J. Sipman, Free Univ. Berlin & Prof. F. Makeschin, Techn. Univ.). Research assistants: Nicole Mandl, Marcus Lehnert. 2001-2004 DFG-Research Unit 402: Funktionalität in einem tropischen Bergregenwald, Süd-Ecuador. Projekt A5: Diversität, Lebensstrategien und Ökomorphologie kryptogamischer Epiphyten (with Dr. H.J. Sipman & Dr. H. Kürschner, Free Univ. Berlin). Research assistant: Nicole Nöske. 2000-2003 DFG-SFB 552: Stabilität von Randzonen tropischer Regenwälder in Indonesien. Project C2: Structural and functional plant diversity of different land use systems (with Prof. C. Leuschner & Dr. D. Hölscher, Univ. Göttingen and National Herbarium, Leiden). Research assistants: Dr. Paul Keßler, Ramadhanil Pitopang. 2000-2004 Hypsometrischer Wandel naturnaher Bergregenwaldökosysteme in den Yungas (with Prof. G. Gerold, Univ. Göttingen). Research assistant: Kerstin Bach. 1998-2003 Epiphytenvegetation im Kronenraum tropischer Bergregenwälder entlang eines Gradienten anthropogener Zerstörung (with Dr. D. Hölscher & Prof. C. Leuschner, Univ. Göttingen). Research assistant: Ingo Holz. 1996-2003 Systematisch-monographische Bearbeitung der Gattung Plagiochila (Hepaticae), im Rahmen der "FLORA NEOTROPICA" (with Prof. M. Mues, Univ. Saarbrücken). Research assistants: Jochen Heinrichs (until 2001), Michael Sauer (2001-2003), Henk Groth (2002). 2. Volkswagenstiftung 2003-2006 Catalogue of the Plants of Colombia (with Dr. R. Bernal, Univ. Nacional de Colombia). Six research students. 2000 The Hepaticae and Anthocerotae of Brazil. Sabattical research project at Botanical Garden of Rio de Janeiro (with Dr. D. P. Costa, Bot. Garden, Rio de Janeiro). 3. Andrew Mellon Foundation, New York 2007-2009 Digitalization of Latin American type collections of Herbarium GOET. Research assistant: Dr. E. M. Reiner-Drehwald. 4. Global Biodiversity Information Facility (GBIF) 2004-2006 Digitalization of type collections of herbarium GOET (Grisebach types) (with Dr. R. Bernal, Univ. Nacional de Colombia). Various research assistants. 2003-2006 Digitalization of bryophyte collections of herbarium GOET (tropical bryophytes) and JE (Herzog types) (with Prof. F. Hellwig, Univ. Jena). Various research assistants. 5. Bundesanstalt für Naturschutz, Bonn 1997-2000 TAXLINK: Referenzliste der Moose Deutschlands. F & E Vorhaben FKZ 80805072. Research assistants: Dr. M. Koperski, M. Sauer, W. Braun. 6. European Community 1994-1997 Tropical bryophytes as non-woody bioindicators. With Smithsonian Tropical Research Institute, Panama (Dr. Salazar Allen), Missouri Bot. Garden (Dr. S.P. Churchill), and Ecosystems Inc., Brussels (Dr. G. Raeymaekers). 7. Netherlands Research Foundation (NWO) 1988-1994 Systematics of pyrenocarpous lichens. Research assistant: André Aptroot. 1989-1991 Plant Collectors of Guyana. Research assistant: Renske Ek. 1985-1990 Diversity and ecology of canopy epiphytes in motane rain forests of Colombia (with Prof. A.M. Cleef, Univ. Amsterdam). Research assistant: Jan Wolf. 1981-1985 Systematics of Lejeuneaceae. Research assistant: Michiel W. van Slageren 1980-1985 Structure and dynamics of Andean Ecosystems of Colombia: ECOANDES project (with Prof. T. van der Hammen). Research assistants: Antoine Cleef, Guido van Reenen. 8. National Geographic Society 1993 Epiphyte diversity in Monteverde Cloud Forest Reserve, Costa Rica (with Dr. N. Nadkarni, U.S.A.) 1992 Endemism in the Chocó, Colombia (with Prof. J.-P. Frahm, Germany) 1976 Botanical inventory of the Galapagos Archipelago (with Prof. W.A. Weber, USA) 8. Smithsonian Institution, Washington 1993 Bryophyte diversity of Pakitza National park, Peru and Barro Colorado Island, Panama (with Dr. N. Salazar Allen, Smithsonian Tropical Research Institute, Panama). 1993 Flora of the Neotropical Páramos (with Dr. J.L. Luteyn, USA) 1991 Bryophyte diversity of Darien National Park, Panama (with Dr. N. Salazar Allen, Smithsonian Tropical Research Institute, Panama). |
| Publications |
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PUBLICATIONS: 2010 Bach, K. & Gradstein, S.R. (submitted). A comparison of five methods to detect altitudinal belts of vegetation in tropical mountains. Submitted to Ecotropica. Benitez, A. & Gradstein, S.R. (submitted). Adiciones a la Flora de Briofitas del Ecuador. Submitted to Cryptogamie, Bryologie. Cicuzza, D., M. Kessler, R. Pitopang, S.S. Tjitrosoedirdjo & S.R. Gradstein. 2010. Terrestrial herb communities of tropical submontane and tropical montane forests in Central Sulawesi, Indonesia. Pp. 377-390 in: Tscharntke, T., C. Leuschner, E. Veldkamp, H. Faust, E. Guhardja & A. Bidin (eds.), Tropical rainforests and agroforests under global change. Ecological and socio-economic valuations. Springer Verlag, Berlin. Clough, Y., S. Abrahamczyk, M.-O. Adams, A. Anshary, N. Ariyanti, L. Betz, D. Buchori, D. Cicuzza, K. Darras, D. Dwi Putra, B. Fiala, S.R. Gradstein, M. Kessler, A.-M. Klein, R. Pitopang, B. Sahari, C. Scherber, C.H. Schulze, Shahabuddin, S. Sporn, K. Stenchly, S.S. Tjitrosoedirdjo, T.C. Wanger, M. Weist, A. Wielgoss & T. Tscharntke. 2010. Biodiversity patterns and trophic interactions in human-dominated tropical landscapes in Sulawesi (Indonesia): plants, arthropods and vertebrates. Pp. 15-71 in: Tscharntke, T., C. Leuschner, E. Veldkamp, H. Faust, E. Guhardja & A. Bidin (eds.), Tropical rainforests and agroforests under global change. Ecological and socio-economic valuations. Springer Verlag, Berlin. Nicolas Devos, N., Renner, M., Gradstein, R., Shaw, A.J., Laenen, B. & Vanderpoorten, A. (submitted). Evolutionary significance and trade-offs in life-history traits associated to ecological specialization and mating systems in the liverwort genus Radula. Submitted to Biological Reviews. Gehrig-Downie, C., Obregon., A., Bendix, J. & Gradstein, S.R. (submitted). Epiphytic biomass in lowland rain forest and lowland cloud forest of French Guiana. Submitted to Biotropica. Gradstein, S. R. & Culmsee, H. 2010. Bryophyte diversity on tree trunks in montane forests of Central Sulawesi. Tropical Bryology 31: 95-105. Gradstein, S.R. & Kerp, H. (in press). A Short History of Plants on Earth. In: F.M. Gradstein et al. (eds.) The Geological Time Scale. Cambridge Univ. Press. Gradstein, S.R., Obregon, A., Gehrig, C. & Bendix, J. (in press). The tropical lowland cloud forest a neglected forest type. In: L.E. Bruijnzeel et al. (eds.), The Tropical Montane Cloud Forest. Cambridge Univ. Press. Gradstein, S.R., Ilkiu-Borges, A.-L. & Vanderpoorten, A. (submitted). Habitat specialization triggers the evolution of unusual morphologies. Submitted to The Bryologist. Gradstein, S.R. & León-Yánez, S. 2010. Briofitas. In: León Yánez et al. (eds.) Libro rojo de las plantas endémicas del Ecuador, 2ª ed. Herbario QCA, Univ. Católica del Ecuador, Quito. Gradstein, S.R. & Sporn, S.G. (in press). Diversity of epiphytic bryophytes along land use gradients in the tropics. Nova Hedwigia Beiheft. Gradstein, S.R., Kien-Thai, Y., Suleiman, M., et al. (in press). Bryophytes of Mount Patuha, West Java, Indonesia. Reinwardtia. Haerida, I., Tjitrosoedirdjo, S.S., Mogea, J.P. & S.R. Gradstein (submitted). Lejeuneaceae subfam. Ptychanthoideae (Hepaticae) of West Java. Submitted to Garden's Journal of Singapore Jácome, J., Kessler, M, Bach, K. & Gradstein, S.R. & Kessler, M. (accepted). Responsese of epiphytic bryophyte communities to simulated climate change in the Tropics. In: N. Slack & Z. Tuba (eds.), Bryophyte Ecology and Climate Change. Cambridge Univ. Press. Krömer, T. & Gradstein, S.R. (in press). Impact of deforestation on vascular epiphyte diversity in the Andes of Bolivia. In: L. E. Bruijnzeel et al. (eds.), The Tropical Montane Cloud Forest. Cambridge Univ. Press. Mandl, N., Kessler, M. & Gradstein, S. R. 2010. Effects of environmental heterogeneity on species diversity and composition of terrestrial bryophyte assemblages in tropical montane forests of southern Ecuador. Plant Ecology and Diversity 3: 313-321. Mandl, N., Lehnert, M., Kessler, M. & Gradstein, S. R. (in press). A comparison of alpha and beta diversity patterns of ferns, bryophytes and lichens in tropical montane forests of southern Ecuador. Biodiv. Cons. Martinson, G.O., Werner, F.A., Scherber, C., Conrad, R., Veldkamp, E., Flessa, H., Wolf, K., Corre, M.D., Klose, M. & Gradstein, S.R. (submitted ). Tank Bromeliads: methane producing canopy wetlands in neotropical forests. Submitted to Nature. Normann, F., Weigelt, P., Gehrig, C., Gradstein, S.R., Sipman, H.J.M., Obregon, A. & Bendix, J. (in press). Diversity and vertical distribution of epiphytic macrolichens in lowland rain forest and lowland cloud forest of French Guiana. Ecological Indicators. Obregon, A., Gehrig-Downie, C., Gradstein, S.R., Rollenbeck, R. & Bendix, J. (submitted). Canopy level fog occurrence in a tropical lowland forest of French Guiana as a prerequisite for high epiphyte diversity. Submitted to Agricultural and Forest Meteorology. Schawe, M., Gerold, G., Bach, K. & Gradstein, S.R. (in press). Hydrometeorological patterns in relation to forest structure along an elevational gradient in a montane cloud forest in the Yungas, Bolivia. In: L. E. Bruijnzeel et al. (eds.), The Tropical Montane Cloud Forest. Cambridge Univ. Press. Sukkharak, P. & Gradstein, S.R. (in press). Studies on the genus Thysananthus (Lejeuneaceae) 1. Thysananthus discretus sp. nov. Cryptogamie, Bryol. Sukkharak, P. & Gradstein, S.R. (submitted). On adnate underleaves and appendages in Thysananthus (Lejeuneaceae). Submitted to J. of Bryol.. Vanderpoorten, A., Papp, B & Gradstein, S.R. (in press). Sampling of bryophytes. Chapter 16 in: J. DeGreef (ed.), ABC Taxa Vol. 7. Edit, Brussels. 2009 Aryanti, N.S., Gradstein, S.R., Sporn, S.G., Angelika E. & Tan, B.C. 2009. Catalogue of the bryophytes of Sulawesi. Suppplement 1: new species records. Blumea 54: 287-289. Elsner, N., Fritz, H.-J., Gradstein, S.R. & Reitner, J. 2009. Evolution - Zufall und Zwangsläufigkeit der Schöpfung. Wallstein, Göttingen, 456 pp. Gradstein, S. R. 2009. Entwicklung im Grünen: Evolution im Pflanzenreich. Pp. 293-310 in: N. Elsner, H.-J. Fritz, S.R. Gradstein & J. Reitner (Hrsg.), Evolution - Zufall und Zwangsläufigkeit der Schöpfung. Wallstein, Göttingen. Gradstein, S.R. & Ilkiu-Borges, A.-L. 2009. Guide to the Plants of Central French Guiana. Part IV. Liverworts and Hornworts. Memoirs of the New York Botanical Garden 76, 4: 1- 140, 83 plates. Gradstein, S.R. & Schwerdtfeger, M. 2009. Blüten der Gelehrsamkeit: Hallers Garten in europäischer Perspektive. Pp. 183-206 in: N. Elsner & N. Rupke (Hrsg.) Albrecht von Haller im Göttingen der Aufklärung. Wallstein, Göttingen. Gradstein, S.R. & Sporn, S.G. 2009. Impact of forest conversion and climate change on bryophytes in the Tropics. Ber. Reinhold-Tüxen-Gesellsch. 21: 128-141. Gradstein, S.R. & Wilson R. 2009. Protonemal neoteny in bryophytes. Pp. 1-11 in: H. Mohamed et al. (eds.), Bryology in the New Millenium. University of Malaya, Kuala Lumpur. Kessler M, Abrahamczyk S, Bos M, Buchori D, Putra DD, Gradstein SR, Höhn P, Kluge J, Orend F, Pitopang R, Shahabuddin S, Schulze CH, Sporn SG, Steffan-Dewenter I, Tjitrosoedirdjo SS, Tscharntke T. 2009. Alpha versus beta diversity of plants and animals along a tropical land-use gradient. Ecological Applications 19: 21422156. Konrat, M. von, Hagborg, A., Söderström, L., Mutke, J., Renner, M., Gradstein, R., Zhu, R.-L., Engel, J. & Pickering, J. 2009. Global patterns of liverwort diversity, distribution and floristic knowledge. Pp. 425-438 in: H. Mohamed et al. (eds.), Bryology in the New Millenium. University of Malaya, Kuala Lumpur. Mota de Oliveira, S., ter Steege, H., Cornelissen, J.H.C. & Gradstein, S.R. 2009. Epiphytic bryophyte communities in the Guianas are niche assembled. Journal of Biogeography 36: 2076-2084. Sporn, S.G., Bos, M.M., Hoffstätter-Müncheberg, M., Kessler, M. & Gradstein, S.R. 2009. Microclimate determines community composition but not richness of epiphytic understory bryophytes of rainforest and cacao agroforest in Indonesia. Functional Plant Biology 36: 171-179. Sporn, S.G,, Bos, M.M., Keßler, M. & Gradstein, S.R. 2009. Vertical distribution of epiphytic bryophytes in an Indonesian rainforest. Biodiversity and Conservation, 10.1007/s10531-009-9731-2 Vanderpoorten, A., Gradstein, S.R., Carine, M.A. & Devos, N. 2009. The ghosts of Gondwana and Laurasia in modern liverwort distributions. Biological Reviews, doi: 10.1111/j.1469-185X.2009.00111.x Wolf, J., Gradstein, S.R. & Nadkarni, N.M. 2009. A protocol for sampling vascular epiphyte richness and abundance. J. Trop. Ecology 25: 107-121. . 2008 Aryanti, N.S., Bos, M.M., Kartawiniata, K., Tjitrosoedirdjo, S.S., Guhardja, E. & Gradstein, S.R. 2008. Bryophytes on tree trunks in natural forests, selectively logged forests and cacao agroforests in Central Sulawesi, Indonesia. Biological Conservation 141: 2516-2527. Burghardt, M. & Gradstein, S.R. 2008. A revision of Tylimanthus (Acrobolbaceae, Marchantiophyta) in tropical America, Africa and Macaronesia. Fieldiana, Botany N.S. 47: 199-210. Gradstein, S.R. 2008. Epiphytes and deforestation in the tropics. Abh. Westfälischen Mus. Naturk. 70: 417-424. Gradstein, S.R. 2008. Epiphytes of tropical montane forests impact of deforestation and climate change. Pp. 51-66 in: Gradstein, S. R., Homeier J., Gansert D. (eds.) 2008. The Tropical Mountain forest. Universitätsverlag Göttingen. Gradstein, S.R. 2008. Annotated catalogue of liverworts and hornworts of the Galapagos Islands. Bibliotheca Lichenologica 99: 143-162. Gradstein, S.R. & Burghardt, M. 2008. A new species of Odontoschisma from South America. Fieldiana, Botany N.S. 47: 193-198. Gradstein, S.R., Homeier J., Gansert D. (eds.) 2008. The Tropical Mountain forest Patterns and Processes in a Biodiversity Hotspot. Universitätsverlag Göttingen, 219 pp. Gradstein, S.R., Kessler, M., Lehnert, M., Abiy, M., Mandl, F., Makeschin, F. & Richter, M. 2008. Vegetation, climate and soil of the unique Purdiaea forest of southern Ecuador. Ecotropica 14: 15-26. Günter, S., Cabrera, O., Weber, M., Stimm, B., Zimmermann, M., Fiedler, K., Knuth, J., Boy, J., Wilcke, W., Jost., S., Makeschin, F., Werner, F., Gradstein, S.R., Mosandl, R. 2008. Natural forest management in neotropical mountain rain forest an ecological experiment. Ecol. Studies 198: 347-359. Homeier, J., Werner, F.A., Breckle, S-W., Gradstein, S.R., Richer, M. 2008. Potential vegetation and floristic composition of Andean forests in South Ecuador, with a focus on the Reserva San Francisco. Ecol. Studies 198: 87-100. Ilkiu-Borges, A.-L. & Gradstein, S.R. 2008. A new species of Cheilolejeunea (Spruce) Schiffn. (Lejeuneaceae) from Cerro de la Neblina, Venezuela. Nova Hedwigia 87: 521-528. Mandl, N., Lehnert, M., Gradstein, S.R., Kessler. M., Abiy, M, Richter, M. 2008. The unique Purdiaea nutans forest of southern Ecuador: abioic characteristics and cryptogamic diversity. Ecol. Studies 198: 275-280. Nöske, N., Hilt, N., Werner, F., Brehm, G., Fiedler, K., Sipman, H.J. & Gradstein, S.R. 2008. Disturbance effects on diversity of epiphytes and moths in a montane forest in Ecuador. Basic and Applied Ecology 9: 4-12 Ramadanil, M. Kessler, S.R. Gradstein 2008. The ethnoecological system of local communities from a biodiversity conservation persperctive a case study from Central Sulawesi, Indonesia. J. Trop. Ethnobiol. 3: 26-40. Werner, F. & Gradstein, S.R. 2008. Diversity of epiphytes of tropical dry forest across a gradient of human disturbance in the Andes of Ecuador. Journal of Vegetation Science 20, DOI 10.3170/2008-8-18466 Werner, F. & Gradstein, S.R. 2008. Seedling establishment of vascular epiphytes on isolated and enclosed forest trees in an Andean landscape, Ecuador. Biodiversity & Conservation, DOI 10.1007/s10531-008-9421-5 2007 Aryanti, N.S & Gradstein, S.R. 2007. Wallace's line and the distribution of the liverworts of Sulawesi. Bryologie, Cryptogamie 28: 3-14. Bach, K. & Gradstein, S.R. 2007. Cambio hipsometrico de la vegetacion en un bosque nublado de los Yungas de Bolivia. Ecol. Bolivia 42: 83-101. Bach, K., Kessler , M. & Gradstein, S.R. 2007. A simulation approach to determine statistical significance of species turnover peaks in a species-rich tropical cloud forest. Diversity and Distribution 13: 863-870. Bernal, R., M. Celis & R. Gradstein. 2007. Plant Diversity of Colombia catalogued. Taxon 56: 273. Gradstein, S. R. 2007. Review of: Bednarek-Ochyra, Halina, A taxonomic monograph of the moss genus Codrophorus P. Beauv. Taxon 56: 275-276. Gradstein, S.R. & Reiner-Drehwald M.E. 2007. On the status of Neopotamolejeunea E.Reiner (Lejeuneaceae), with description of a new species. Systematic Botany 32: 487-492. Gradstein, S.R., Bock, C. & Mandl, N. & Nöske, N. 2007. Bryophyta: Liverworts and Hornworts. Checklist Reserva Biológica San Francisco (Prov. Zamora-Chinchipe, S. Ecuador). Ecotropical Monographs 4: 69-87. Gradstein, S.R., Kessler, M. & Pitopang, R. 2007. Tree species diversity relative to human land uses in tropical rain forest margins in Central Sulawesi. Pages 321-334 in: Tscharntke T, Leuschner C, Guhardja E, Zeller M (eds.) The Stability of Tropical Rainforest Margins: linking Ecological, Economic and Social Constraints of Land Use and Conservation. Springer, Berlin Heidelberg New York. Hentschel, J., Zhu, R.-L., Long, D.G., Davidson, P.G., Schneider, H., Gradstein, S.R. & Heinrichs, J. 2007. A phylogeny of Porella (Porellaceae, Jungermanniopsida) based on nuclear and chloroplast DNA sequences. Molec. Phylog. Evol. 45: 693-705. Krömer, T., Gradstein, S.R. & Acebey, A. 2007. Diversidad y ecologia de epifitas vasculares en bosques montanos primaries y secundarios de Bolivia. Ecologia de Biolivia 42: 23-33. Krömer, T., Kessler, M. & Gradstein, S.R. 2007. Vertical stratification of vascular epiphytes in submontane and montane forests of the Bolivian Andes: the importance of the understory. Plant Ecology 189: 261-278. Lehnert, M., Kessler, M., Salazar, L.I., Navarette, H., Werner, F. A. & Gradstein, S.R. 2007. Pteridophytes. Checklist Reserva Biológica San Francisco (Prov. Zamora-Chinchipe, S. Ecuador). Ecotropical Monographs 4: 59-68. McNeill, J., N.J. Turland & S.R. Gradstein. 2007. Procedures and timetables for proporals to amend the International Code of Botanical Nomenclature. Taxon 56: 270-71. Reiner-Drehwald, M.E., Martinez, K.M. & Gradstein, S.R. 2007. A new species of Omphalanthus (Lejeuneaceae) from Cuba. J. Bryol. 29: 95-98. Steffan-Dewenter, I., Kessler, M., Barkman, J., Bos, M.M., Buchori, D., Erasmi, S., Faust, H., Gerold, G., Glenk, K., Gradstein, S. R., Guhardja, E., Harteveld, M., Hertel, D., Höhn, P., Kappas, M., Köhler, S., Leuschner, C., Maertens, M., Marggraf, R., Migge-Kleian, S., Mogea, J., Pitopang, R., Schaefer, M., Schwarze, S., Sporn, S. G., Steingrebe, A., Tsjitrosodirdjo, S. S., Tjitrosoemito, S., Tscharntke, T., Twele, A., Wber, R., Woltmann, L., Zeller, M. 2007. Sociooeconomic context and ecological consequences of rainforest conversion and agroforestry intensification. Proceedings of the National Academy of Sciences U.S.A. 104: 4973-4978. Sporn, S., Bos, M & Gradstein, S.R. 2007. Is productivity of cacao impeded by epiphytes? An experimental approach. Agriculture, Ecosystems & Environment 122: 490-493. Wilson, R., Gradstein, S. R., Schneider, H. & Heinrichs, J. 2007. Unravelling the phylogeny of Lejeuneaceae (Jungermanniopsida): evidence for four main lineages. Molec. Phylog. Evol. 43: 270-282. Wilson, R., Gradstein, S. R., Schneider, H. & Heinrichs, J. 2007. Steady diversification of derived liverworts under steady Tertiary climatic fluctuations. Biology Letters 3: 566-569. 2006 Bastos, C.J.P. & Gradstein, S.R. 2006. Two new species of Cheilolejeunea (Spruce) Schiffn. from Brazil: C. lacerata sp. nov. and C. rupestris sp. nov. J. Bryol. 28: 133-138. Burghardt, M. & Gradstein, S.R. 2006. Discovery of the African liverwort genus Cephalojonesia (Cephaloziellaceae) in Mexico. J. Hattori Bot. Lab. 100: 35-39. Damayanti, L. & Gradstein, S. R. 2006. Bryophyte Garden inaugurated in Cibodas Botanical Garden, Java, Indonesia. Bryol. Times 120: 11. Gradstein, S.R. 2006. Anthony Christiaan Winand Staring, Niederländischer Dichter und Politiker (1767-1840). Göttinger Jahrbuch 54: 149-151. Gradstein, S.R. 2006. The lowland cloud forest of French Guiana a liverwort hotspot. Cryptogamie, Bryol. 27: 141-152. G Gradstein, S.R. 2006. Stephani's Species Hepaticarum revisited. Willdenowia 36: 557-563. Gradstein, S.R., Jost, L., Seaward, M.R.D. & Prance, G.T. 2006. Bust of Richard Spruce unveiled in Ecuador. Plant Talk 44: 11; The Linnean 22, 3: 15-16; Bryol. Times 119: 3. Gradstein, S.R., Krömer, T. & Velasquez, A. 2006. On the use of plant indicators in forest resource assessment a plan for Mexican-German cooperation. Pp. 21-35 in: A. Spitta (ed.), Las relaciones cientificas mexico-alemanes situacion actual y perspectives. DAAD, Mexico. Gradstein, S.R., Wilson, R., Ilkiu-Borges, A.L. & Heinrichs, J. 2006. Phylogenetic relationships and neotentic evolution of Metzgeriopsis (Lejeuneaceae) based on chloroplast DNA sequences and morphology. Bot. J. Linnean. Soc. 151: 193-308. Hartmann, F.A., Wilson, R., Gradstein, S.R., Schneider, H. & Heinrichs, J. 2006. Testing hypotheses on species delimitation and disjunctions in the liverwort Bryopteris (Lejeuneaceae). International Journal of Plant Science 167: 1205-1214. León-Yánez, S., Gradstein, S.R. & Wegner, C. 2006. Hepaticas y Antoceros del Ecuador. Herbario QCA, Quito. 2005 Andersson, M.S. & Gradstein, S.R. 2005. Impact of different management intensities on non-vascular epiphyte diversity in cacao plantations in western Ecuador. Biodiversity and Conservation 14: 1101-1120. Bischler, H., Gradstein, S.R., Jovet-Ast, S., Long, D. G. & Salazar Allen, N. 2005. Marchantiidae. Flora Neotropica Monograph 97: 1-275. Gradstein, S.R. 2005. Obituary: Riclef Grolle (1934-2004). J. Bryol. 27: 169-172. 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 2004: 140-149. Gradstein, S.R. 2005. Review of: R. Grolle & K.Meister, The Liverworts in Baltic and Bitterfeld Amber. Herzogia 18: 241-242. Gradstein, S. R. & Heinrichs, J. (eds.). 2005. Bryophylogeny 2004 - Second international symposium on the molecular systematics of bryophytes. TAXON 54: 291-375. Gradstein, S.R. & Holz, I. 2005. Briófitas de los Páramos de Costa Rica. Pages 361-374 in: M. Kappelle & S. Horn (eds.), Páramos of Costa Rica. InBio, Costa Rica. Gradstein, S.R., Schafer-Verwimp, A. & Pinheiro da Costa, D. 2005. The Liverworts (Marchantiophyta) of the state of Goiás, Brazil. J. Neotrop. Biology 2: 75-108. Gradstein, S.R., Tan, B. C., Zhu, R.-L., King, C., Drubert, C. & Pitopang, R. 2005. Catalogue of the Bryophytes of Sulawesi, Indonesia. J. Hattori Bot. Lab. 98: 213-257. 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: 215-233. 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. 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. Plant Ecology: 178: 547-560. Kessler, M., Keßler, P.J.A., Gradstein, S.R., Bach, K., Schmull, M. & Pitopang, R. 2005. Tree diversity in primary forest and different land use systems in Central Sulawesi, Indonesia. Biodiversity and Conservation: 14: 547-560. 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: 1799-1809. Schmull, M., Heinrichs, J., Baier, D., Ullrich, G., Wagenitz, G., Groth, H., Hourticolon, S. & Gradstein, S.R. 2005. The type database at Göttingen (GOET). a virtual herbarium online. TAXON 54: 251-254. 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. Systematic Botany Monographs 74: 1-98. 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. 2004 Gradstein, S. R., M. E. Reiner-Drehwald & L. H Jost. 2004. On the rediscovery and phylogeny of the rare liverwort Myriocolea irrorata Spruce from Ecuador. J. Hattori Bot. Lab. 95: 235-248. Groth-Malonek, M., J. Heinrichs, H. Schneider & S. R. Gradstein. 2004. Phylogenic relationships in the Lejeuneaceae (Hepaticae) inferred using ITS sequences of nuclear ribosomal DNA. Org. Divers. Evol. 4: 51-57. Krömer, T. & S. R. Gradstein. 2004. Species richness of vascular epiphytes in two primary forests and fallows in the Bolivian Andes. Selbyana 24: 190-195. Krömer T. & S. R. Gradstein. 2004. Diversität der vaskulären Epiphyten in primären und sekundären Bergwäldern Boliviens. In S.-W. Breckle et al. (Eds.), Results of woprdwide ecological studies. Proceedings of the 2nd Symposium of the A.F.W. Schimper-Foundation, p. 155-165. Parolly G., H. Kürschner, A. Schaefer-Verwimp & S. R. Gradstein. 2004. Cryptogams of the Reserva Biologica San Francisco (Province Zamora-Chinchipe, southern Ecuador) III. Bryophytes - Supplement. Cryptogamie, Bryol. 25: 271-289. Ramadhanil & S. R. Gradstein. 2004. Herbarium mCelebense (CEB) and its role in supporting research on plant diversity in Sulawesi. Biodiversitas 5: 36-41. Roos, M., P. Kessler, P. Baas & S. R. Gradstein. 2004. Species diversity and endemism of 5 major Malesian islanda: diversity-area relationships. Journal of Biogeography 31: 1893-1908. Schulze, C. H., M. Waltert, P. J. A. Keßler, R. Pitopang, Shahabuddin, D. Veddeler, I. Steffan-DeWenter, M. Mühlenberg, S.R. Gradstein, C. Leuschner & T. Tscharntke. 2004. Biodiversity indicator taxa of tropical land-use systems: comparing plants, b irds and insects. Ecological Applications 14: 1321-1333. Wilson, R., S. R. Gradstein, J. Heinrichs, F. Hartmann & A.L. Ilkiu-Borges. 2004. Phylogeny of Lejeuneaceae: A cladistic analysis of chloroplast gene rbcL sequences and morphology. Monogr. Syst. Bot. Missouri Bot. Garden 98: 189-202. Zhu, R. L. & S. R. Gradstein. 2004. Lopholejeunea minuta Zhu & Gradst. (Lejeuneaceae, Hepaticae), a new species from the Solomon Islands. Nova Hedwigia 787: 435-438. 2003 Acebey, A., Gradstein S. R. & Krömer T. 2003. Species richness and habitat diversification of bryophytes in submontane rain forest and fallows of Bolivia. J. Trop. Ecol. 19: 9-18. Bach, K., M. Schawe, S. Beck, G. Gerold, S. R. Gradstein. & M. Moraes. 2003. Vegetation, soil and climate in different elevational belts in montane cloud forests of the Yungas, Bolivia - first results. Ecologia de Bolivia 38: 3-14. Engel, J. J. & S. R. Gradstein 2003. Studies on Geocalycaceae XIV. Physotheca J. J. Engel & Gradst., a new genus of Hepaticae from Ecuador, belonging to a new subfamily, Geocalycaceae subfam. Physothecoideae J. J. Engel & Gradst. gen. nov. TAXON 52: 763-773. Gradstein, S. R. 2003. Biodiversitätsforschung im tropischen Regenwald. Pages 95-111 in S. R. Gradstein, M. Turkay, R. Willmann & G. Zizka (eds.), Perspektiven der Biodiversitätsforschung. Kleine Senckenberg Reihe. Gradstein, S. R. & D. P. Costa. 2003. The Liverworts and Hornworts of Brazil. Memoirs New York Bot. Garden 87: 1-317. Gradstein, S. R., N. Nadkarni., T. Krömer, I. Holz & N. Nöske. 2003. A protocol for rapid and representative sampling of epiphyte diversity of tropical rain forests. Selbyana 24: 87-93. Gradstein S. R., I. M. Meneses Q. & B. Allen Arbe. 2003. Catalogue of the Hepaticae and Anthocerotae of Bolivia. J. Hattori Bot. Lab. 93: 1-65. Gradstein, S. R., M. E. Reiner-Drehwald & H. Muth. 2003. Ueber die Identitaet der neuen Aquariumpflanze "Pellia endiviifolia." Aqua Planta 3: 88-95. Gradstein, S. R., M. E. Reiner-Drehwald & H. Schneider. 2003. A phylogenetic analysis of the genera of the Lejeuneaceae (Hepaticae). Bot. J. Linnean Soc. 143: 391-410. Gradstein, S.R., R. Willmann & G. Zizka (eds.),2003. Perspektiven der Biodiversitätsforschung. Kleine Senckenberg Reihe 45: 1-225. Groth H., Lindner M., Wilson R., Hartmann F. A., Schmull M., Gradstein S. R., Heinrichs J. 2003. Biogeography of Plagiochila (Hepaticae): natural species groups span several floristic kingdoms. J. Biogeogr. 30: 965-978. Heinrichs, J., S. R. Gradstein, H. Groth & M. Lindner. 2003. Plagiochila cucullifolia var. anomala var. nov. from Ecuador, with notes on disordant molecular and morphological variation in Plagiochila. Plant Syst. Evol. 242: 205-216. Noeske N. M., Gradstein S. R., Kurschner H., Parolly G., Torracchi S. 2003. Cryptogams of the Reserva Biologica San Francisco (Province Zamora-Chinchipe, southern Ecuador) I. Bryophytes. Cryptogamie, Bryol. 24: 15-32. Uribe, M. J. & Gradstein S. R. 2003. Type studies on Frullania subgenus Meteoriopsis (Hepaticae). I. The lectotypification of the genus Frullania, F. subgen. Thyopsiella and F. subgen. Meteoriopsis, and some species transferred from subgen. Meteoriopsis to subgen. Thyopsiella. Cryptogamie, Bryol. 24: 193-207. Zhu, R.L. & Gradstein S. R. 2003. Oil bodies of selected species of Chinese Lejeuneaceae (Hepaticae). J. Hattori Bot. Lab. 94: 187-195. 2002 Gradstein, S. R. 2002. Research news from the university of Göttingen. The Bryological Times 106. Gradstein, S. R. & Gradstein-Serna, C. 2002. Martius y la exploración botánica en America del Sur. Inst. Estud. Avanç. Univ. São Paulo, Série Ciências Ambientais, Avançados 21: 26-28. Holz, I., Gradstein, S. R., Heinrichs, J. & Kappelle, M. 2002. Bryophyte diversity, microhabitat differentiation and distribution of life forms in Costa Rican upper montane Quercus forest. Bryologist 105: 334-348. Kautz, T. & Gradstein, S. R. 2002. On the ecology and conservation of Spruceanthus theobromae (Lejeuneaceae, Hepaticae) from Western Ecuador. The Bryologist 104. 2001 Gradstein, S. R., Churchill, S.P. & Salazar A., N. 2001. Guide to the Bryophytes of Tropical America. Memoirs New York Bot. Garden 86: 1-577. Gradstein, S. R., Griffin, D., Morales, M. I. & Nadkarni, N. M. 2001. Diversity and habitat differentiation of mosses and liverworts in the cloud forest of Monteverde, Costa Rica. Caldasia 23: 203-212. Gradstein, S. R., Sauer, M., Koperski, M., Braun, W. & Ludwig G. 2001. TaxLink, a program for computer-assisted documentation of different circumscriptions of biological taxa. TAXON 80: 1075-1084. Heinrichs, J., Groth, H., Gradstein, S. R., Rycroft, D. S., Cole, W. J. & Anton, H. 2001. Plagiochila rutilans (Hepaticae): a poorly knwon species from Tropical America. Bryologist 104: 350-361. Heinrichs, J., Holz, I. & Gradstein, S. R. 2001. The sporophyte of Steereochila (Plagiochilaceae). J. Bryol. 23: 35-41. Holz, I., Heinrichs, J., Schäfer-Verwimp, A. & Gradstein, S. R. 2001. Additions to the hepatic flora of Costa Rica III. Cryptogamie, Bryologie. Jongmans, A. G., van Breemen, N., Gradstein S. R. & van Oort, F. 2001. How liverworts build hanging gardens from volcanic ash in Costa Rica. Catena 44: 13-22. Merwin, M., Gradstein, S. R. & Nadkarni, N. M. 2001. Diversity of epiphytic bryophytes in a mosaic of undisturbed and disturbed lower montane forest, Monteverde, Costa Rica. Tropical Bryology 20: 63-71. Zhu, R.-L., Grolle, R. & Gradstein, S. R. 2001. On Cyrtolejeunea A. Evans (Lejeuneaceae, Hepaticae). TAXON 50: 1067-1074. 2000 Da Costa; D. P. & Gradstein, S. R. 2000. On the status of Metzgeria angustata, a poorly known neotropical taxon. The Bryologist 103: 757- 759. Gradstein, S.R. & Raeymaekers; G. 2000. Tropical America. In: Hallingbäck, T. (ed.), Status Survey and Conservation Action Plan: Mosses, Liverworts and Hornworts. IUCN, Gland. Heinrichs, J., Holz, I. & Gradstein, S. R. 2001. The sporophyte of Steereochila (Plagiochilaceae). J. Bryol. 23: 35-41. Heinrichs, Anton, H., Gradstein, S. R., Mues, R. & Holz I. 2000. Surface wax, a new taxonomic feature in Plagiochilaceae. Plant Systematics and Evolution 225: 225-233. Heinrichs, J., Anton, H., Holz, I. & Gradstein, S. R. 2000. On the blue stem colour in Plagiochila longispina Lindenb. & Gottsche (Plagiochilaceae). Cryptogamie, Bryol. 21: 109-111. Heinrichs, J., Anton, H., Gradstein, S. R. & Mues, R. 2000. Systematics of Plagiochila sect. Glaucescentes Carl (Hepaticae): a morphological and chemotaxonomical approach. Plant Systematics and Evolution 220: 115-138. Heinrichs, J. & Gradstein, S. R. 2000. A revision of Plagiochila sect. Crispatae and sect. Hypnoides (Hepaticae) in the Neotropics I. Nova Hedwigia 70: 161-184. Koperski, M. Sauer, M., Braun W. & Gradstein, S. R. 2000. Referenzliste der Moose Deutschalnds. Schriftenreihe für Vegetationskunde 34: 1-519. 1999 Gradstein, S. R. 1999. A tribute to Riclef Grolle, distinguished hepaticologist. Haussknechtia 9: 7-18. Gradstein, S. R. & Vana, J. 1999. On the taxonomy of Kymatocalyx and Stenorrhipis (Cephaloziellaceae). Haussknechtia Beiheft 9: 155-170. Gradstein, S. R. 1999. On the rediscovery of Spruceanthus theobromae (Hepaticae), an endangered species of cacao trees in western Ecuador. Bryobrothera 5: 81-86. Gradstein, S. R. 1999. Hepatics. In: J. Luteyn (ed.), Páramos, a Checklist of Plant Diversity, Geographical Distribution and Botanical Literature. Memoirs New York Bot. Garden 84: 65-73. Gradstein, S. R., W. Braun, M. Koperski & M. Sauer 1999. Methodenentwicklung zur Verwaltung unterschiedlicher taxonomischer Auffassungen. Courier Forschungsinstitut Senckenberg 215: 177-179. Heinrichs, J. & Gradstein, S. R. 1999. On Plagiochila longiramea Steph. (Hepaticae), a poorly known species of Bolivia. Candollea 54: 73-81. Heinrichs, J., Renker, C. & Gradstein, S. R. 1999. A taxonomic revision of Plagiochila subplana Lindenb., a widespread liverwort of tropical America. Haussknechtia. Müller, J., Heinrichs, J. & Gradstein, S. R. 1999. A revision of Plagiochila sect. Plagiochila in the Neotropics. Bryologist 102: 1998 Dauphin, G., Gradstein, S. R., Bernecker-Lücking, A. & Morales, M. 1998.Additions to the hepatic flora of Costa Rica. Lindbergia 23: 74-80. Gradstein, S. R. 1988. Hepatic diversity in the neotropical páramos. Monogr. Syst. Bot. Missouri Bot. Garden 68: 69-85. Gradstein, S. R. 1998. Perspektiven der Systematischen Tropenbotanik. Georgia Augusta Mai 1998, p. 43-50. Heinrichs, J., Gradstein, S. R. & Grolle, R. 1998. A revision of the neotropical species of Plagiochila described by Olov Swartz. J. Hattori Botanical Lab. 85. Stotler, R., Salazar Allen, N., Gradstein S.R., McGuiness, W., Whittemore, A., Chung, C. 1998. A Checklist of the Hepatics and Anthocerotes of Panama. Tropical Bryology 15: 167-195. Uribe M., J. & Gradstein, S. R. 1998. Catalogue of the Hepaticae and Anthocerotae of Colombia. Bryophytorum Bibliotheca 53, 100p. 1997 Gradstein, S. R. & P. Geissler 1997. Notes on the genus Leucolejeunea. Cryptog., Bryol. Lichenol. 18: 177-182. Gradstein, S. R. 1977. Bromeliophila helenae, a new species of Lejeuneaceae from the neotropics. Cryptog., Bryol. Lichenol. 18: 217-221. Gradstein, S. R. 1997. The taxonomic diversity of epiphyllous bryophytes. Abstracta Botanica 21: 15-19. Gradstein, S. R. 1997. Hepatophyta, Anthocerotophyta. In: J. Boggan, V. Funk, C. Kelloff, M. Hoff, G. Cremers & C. Feuillet (ed.), Checklist of the Plants of the Guianas, p. 9-15. Smithsonian Institution, Washington. Reiner-Drehwald, M. E. & Gradstein, S. R. 1997. New combinations and synonyms in Myriocoleopsis Schiffn. (Lejeuneaceae). J. Bryol. 19: 638-640. Salazar Allen, N. & S. R. Gradstein 1997. A report on the bryoflora of Peru. In: D. E. Wilson & A. Sandoval (eds.), Manu, the Biodiversity of Southeastern Peru, pp. 200-204. Washington. Yano, O. & S. R. Gradstein. 1997. Genera of Hepatics. Syst.-Geobot. Inst., Universität Göttingen, 29 p. 1996 Gradstein, S.R.. 1996. A Guide to the Bryophytes of Tropical America. 1. Hepaticae and Anthocerotae. Brussels, 200 pp. Gradstein, S. R. and H. van Melick. 1996. De Nederlandse Levermossen - Flora en Verspreidingsatlas van de Nederlandse Hepaticae en Anthocerotae. Royal Dutch Natural History Society, The Netherlands, 350 pp. Gradstein, S. R. et al. 1996. How to sample the epiphytic diversity of tropical rain forests. Ecotropica: 59-72. Gradstein, S.R. 1996. Spruce's Hepaticae Amazonicae et Andinae and South American Floristics. In: Richard Spruce, Botanist and Explorer, pp. 141-150. Kew, U.K. Gradstein, S.R., G.B.A. van Reenen and D. Griffin III. 1996. Fitogeografia y origen de la Flora de Briofitas en el Transecto Parque Los Nevados (Colombia). Estudios de Ecosistemas Tropandinos 4: 377-384. Gradstein, S. R. 1996. Bryology at the Herbarium of the University of Göttingen. The Bryological Times 88: 1-2. 1995 Gradstein, S.R. 1995. Diversity of Hepaticae and Anthocerotae in montane forests of the tropical Andes. In: Churchill, S. P. et al. (eds.), Biodiversity and Conservation of eotropical Montane Forests, pp. 321-334. New York Botanical Garden, New York. Gradstein, S.R and C. Equihua 1995. An epizoic Bryophyte and Algae on the lizard Corythophanes in a Mexican rain forest. Biotropica 27: 265-268. Gradstein, S. R. and M. E. Reiner-Drehwald 1995. Szweykowskia, a new genus of Plagiochilaceae (Hepaticae) from tropical America. Fragm. Flor. Geobot. 40: 31-38. Gradstein, S. R. 1995. Bryophyte diversity of the tropical rainforest. Arch. Sci. Genève 48: 91-96. Reiner-Drehwald, M. E. and S. R. Gradstein 1995. Myriocoleopsis riparia (Lejeuneaceae), a new species from south-eastern Brazil and north-eastern Argentina. J. of Bryol. 18: 479-484. Morales, M. I. and S. R. Gradstein 1995. Diplasiolejeunea involuta Winkler, una especie poco conocida. Trop. Bryol. 10: 75-79. Sillet, S. C., S. R. Gradstein and D. Griffin, III 1995. Bryophyte diversity of Ficus tree crowns from cloud forest and pasture in Costa Rica. Bryologist 98: 251-260. 1994 Gradstein, S. R., A. Lücking, M. I. Morales and G. Dauphin 1994. Additions to the hepatic flora of Costa Rica. Lindbergia 19: 73-86. Gradstein, S.R. Die Moose der Galagagos Inseln. In: G. Zizka & K. Klemmer (eds.), Pflanzen- und Tierwelt der Galapagos Inseln, pp. 59-63. Palmengarten, Frankfort. Gradstein, S. R. 1994. Verdoorn's Studien über Asiatische Jubuleae. Hikobia 11: 451-456. Gradstein, S.R. and J. Vána.1994. A boreal liverwort community on rotten logs in tropical montane forest of Mexico. Tropical Bryology 9: 31-34. Gradstein, S.R. 1994. Lejeuneaceae: Ptychantheae. Brachiolejeuneae. Flora Neotropica Monograph 62: 1-225. New York. Geissler, P. and S.R. Gradstein. 1994. On the identity of Phragmicoma lehmanniana Nees and other species described in the genus Phragmicoma. J. Hattori Bot. Lab. 75: 201-209. 1993 Gradstein, S.R., R. Grolle and A. Schäfer-Verwimp. 1993. Two new species of Lejeuneaceae from Brazil. J. Hattori Bot. Lab 74: 40-49. Gradstein, S.R., 1993. New Hepaticae in amber of the Dominican Republic. Nova Hedwigia 57: 353-374. Gradstein, S.R., 1993. A decade of neotropical exsiccates. Trop. Bryol. 7: 77-85. Gradstein, S.R. 1993. New publications. Bryol. Times 72: 2-3. 1992 Gradstein, S. R. Hepatophyta. In: J. Boggan, V. Funk, C. Kelloff, M. Hoff, G. Cremers & C. Feuillet (ed.), Checklist of the Plants of the Guianas (Guyana, Surinam, French Guiana), p. 14-26. Smithsonian Institution, Washington. Gradstein, S. R. Anthocerophyta. In: J. Boggan, V. Funk, C. Kelloff, M. Hoff, G. Cremers & C. Feuillet (ed.), Checklist of the Plants of the Guianas (Guyana, Surinam, French Guiana), p. 27. Smithsonian Institution, Washington. Gradstein, S.R., R. Klein, L. Kraut, R. Mues, J. Spörle and H. Becker. 1992. Phytochemical and morphological evidence for the existence of two species in Monoclea. Plant Systematics and Evolution 180: 115-135. Gradstein, S.R. and N. Salazar Allen. 1992. Bryophyte diversity along an altitudinal gradient in Darién National Park, Panama. Trop. Bryol. 5: 61-71. Gradstein, S.R. 1992. The vanishing Tropical Rain Forest as an environment for bryophytes and lichens. In: J.W. Bates and A.R. Farmer (eds), Bryophytes and lichens in a Changing Environment, p. 232-256. Oxford University Press. Gradstein, S.R. 1992. Endemism and Evolutionary trends in Asiatic Lejeuneaceae. Proceed. Congr. East Asiatic Bryology, Helsinki: 1-5. Gradstein, S.R. 1992. What is Lejeunea trigona? Contr. Univ. Michigan Herb. 15: 99-103. Gradstein, S.R. 1992. A Key to the holostipous Lejeuneaceae of Colombia. Caldasia 16 (109): 429-438. Gradstein, S.R. 1992. On Thysananthus, Dendrolejeunea, and Fulfordianthus gen. nov. Bryologist 95: 42-51. 1991 Frahm, J.-P. and S.R. Gradstein. 1991. An altitudinal zonation of the tropical rain forest using bryophytes. J. of Biogeography 18: 669-678. Gradstein, S.R. 1991. Diversity and Distribution of Asian Lejeuneaceae subfamily Ptychanthoideae. Trop. Bryol. 4: 1-16. Yamada, K. and S.R. Gradstein. 1991. The genus Radula in the Galapagos Islands. Trop. Bryol. 4: 63-68. Mues, R. and S.R. Gradstein. 1991. Chemotaxonomy of the Pleuroziaceae. J. Hattori Bot. Lab. 70: 79-90. Gradstein, S.R. 1991. A view of the liverwort flora of tropical America. Bull. British Bryol. Soc. 57: 13-15. 1990 Gradstein, S.R. 1990. Morphology and Classification of the Hepaticae: an introduction. In: H.D. Zinsmeister & R. Mues (eds.), Chemistry and Chemical Taxonomy of Bryophytes, p. 3-17. Oxford University Press. Frahm, J.-P. and S.R. Gradstein. 1990. Ecology of tropical bryophytes: a bibliography. Trop. Bryol. 3: 75-77. Cornelissen, J.H. and S.R. Gradstein. 1990. On the occurrence of bryophytes and macrolichens in different lowland rain forest types in Guyana. Trop. Bryol. 3: 29-35. Gradstein, S.R. 1990. A key to the New World species of holostipous Lejeuneaceae. Trop. Bryol. 3: 45-57. Gradstein, S.R., D. Montfoort and J.H. Cornelissen. 1990. Phytogeography and species richness of the bryophyte flora of the Guianas, with special attention to the lowland rain forest. Trop. Bryol. 2: 117-125. Gradstein, S.R. 1990. Hiroshi Inoue: some personal recollections. Hiroshi Inoue Memorial Publication: 261-264. National Science Museum, Tokyo. Iwatsuki, Z. and S.R. Gradstein. 1990. Obituary: Hiroshi Inoue (1932-1989). Taxon 39: 546. Gradstein, S.R. 1990. Obituary: Hiroshi Inoue (1932-1989). Bryol. Times 53: 1-3. Gradstein, S.R. 1990. Review of: N.G. Miller (ed.), Bryophyte Ultrastructure. Acta Bot. Neerl. 38: 124-125. 1989 Thiers, B.M. and S.R. Gradstein. 1989. Lejeuneaceae of Australia I: subfamily Ptychanthoideae. Memoir New York Botanical Garden 52: 1-79. Gradstein, S.R. and T. Pócs. 1989. The Biogeography of tropical rainforest Bryophytes. In: H. Lieth and M.J.A. Werger (eds.), Tropical rain forest Ecosystems, p. 311-325. Ecosystems of the World Vol. 14A. Elsevier, Amsterdam. Gradstein, S.R. and J. Florschütz-de Waard. 1989. Results of a botanical expedition to Mount Roraima, Guyana. I. Bryophytes. Trop. Bryol. 1: 25-54. Gradstein, S.R., G.B.A. van Reenen and D. Griffin. 1989. Species richness and origin of the bryophyte flora of the Colombian Andes. Acta Bot. Neerl. 38: 439-448. Gradstein, S.R. 1989. A Key to the Hepaticae and Anthocerotae of Puerto Rico and the Virgin Islands. The Bryologist 92: 329-348. Gradstein, S.R. and W.H.A. Hekking. 1989. A catalogue of the bryophytes of the Guianas. I. Hepaticae and Anthocerotae. J. Hattori Bot. Lab. 66: 197-230. Gradstein, S.R. and G. Zijlstra 1989. Ptychanthus, Index Hepaticarum 11: 330-333; Ptycholejeunea, Ibid.: 341-342. Gradstein, S.R. 1989. Phragmilejeunea, Index Hepaticarum 11: 90; Ptychocoleus, Ibid.: 334-341. Gradstein, S.R. 1989. Is Marchantia plicata the largest thalloid liverwort on earth? Bryol. Times 50: 3. Gradstein, S.R. 1989. Obituary: Stanley Wilson Greene (1928-1989). Bryol. Times 51: 1-3. Gradstein, S.R. 1989. Review of: R.E. Longton, The Biology of Polar Bryophytes and Lichens. Bryol. Times 51: 11. 1988 Zanten, B.O. van, and S.R. Gradstein. 1988. Experimental dispersal geography of Neotropical liverworts. Beih. Nova Hedwigia 90: 41-94. Gradstein, S.R., Y. Asakawa, R. Mues & R. Klein. 1988. On the taxonomic significance of secondary metabolites in the Lejeuneaceae. J. Hattori Bot. Lab. 64: 159-168. Inoue, H. and S.R. Gradstein. 1988. A remarkable new species of Anastrophyllum from Mt. Roraima, Guyana. Bull. Nat. Sci. Mus. Tokyo. l4: 87-91. Grolle, R. and S.R. Gradstein. 1988. Haesselia, a new genus of Cephaloziaceae from Mt. Roraima, Guyana. J. Hattori Bot. Lab. 64: 327-334. Bischler, H. and S.R. Gradstein. 1988. Bryological Societies: An overview. Taxon 36: 768-772. 1987 Gradstein, S.R. and J. Vána. 1987. On the occurrence of Laurasian liverworts in the Tropics. Memoir New York Botanical Garden 45: 388-425. Gradstein, S.R. and J.P. Frahm. 1987. Die floristische Höhengliederung der Moose entlang des Bryotrop-transectes in Peru. Beih. Nova Hedwigia 88: 105-113. Gradstein, S.R. 1987. The Ptychanthoideae of Latin America: An Overview. (Studies on Lejeuneaceae subfam. Ptychanthodeae XVI). The Bryologist 90: 337-343. Zanten, B.O. and S.R. Gradstein. 1987. Feasibility of long-distance transport in Colombian hepatics, preliminary report. Symp. Biol. Hung. 35: 315-322. Frahm, J.P. and S.R. Gradstein. 1987. The genera Bryohumbertia and Campylopus in the Guianas. Cryptog., Bryol. Lichenol. 8: 3ll-3l9. 1986 Gradstein, S.R. and P.W. Richards. 1986. Frans Verdoorn, 1906-1984 and his contributions to bryology. J. Bryology l4: 203-2l3. Gradstein, S.R. 1986. Return to Mount Roraima, Guyana. Bryol. Times 40: 1-3. Kruijt, R. and S.R. Gradstein. 1986. Studies on Lejeuneaceae subfam. Ptychanthoideae X. On Brachiolejeunea phyllorhiza (Nees) comb. nov. Nova Hedwigia 43: 299-309. Gradstein, S.R. 1986. The genus Colura (Hepaticae) in the Galapagos Islands. Hikobia 9: 353-356. Reenen, G.B.A. van, and S.R. Gradstein. 1986. Analisis de la vegetacion de briofitas en el transecto Buritaca-la Cumbre. Studies on Andean Ecosystems 2: 189-202. Reenen, G.B.A. van, and S.R. Gradstein. 1986. Briofitas del Transecto Buritaca-La Cumbre. Studies on Andean Ecosystems 2: 177-183. Frahm, J.P. and S.R. Gradstein. 1986. An apparatus for drying bryophytes in the field. Bryol. Times 38: 5. 1985 Vitt, D.H., S.R. Gradstein and Z. Iwatsuki. 1985. Compendium of Bryology. Bryophytorum Bibliotheca vol. 30, 355 p. Gradstein, S.R. (ed.) 1985. Contributions to a Monograph of the Lejeuneaceae subfam. Ptychanthoideae. Beiheft zur Nova Hedwigia vol. 80, 253 p. Bischler, H. and S.R. Gradstein. 1985. A causerie on Bryological Societies. Brit. Bryol. Soc. Spec. vol. 1: 11-16. Gradstein, S.R. and J. van Beek. 1985. A revision of the genus Symbiezidium. Beih. Nova Hedwigia 80: 221-248. Gradstein, S.R. 1985. A revision of the genus Stictolejeunea. Beih. Nova Hedwigia 80: 195-220. Gradstein, S.R. and C. Vanden Berghen. 1985. Schiffneriolejeunea sect. Pappeanae en Afrique. Beih. Nova Hedwigia 80: 173-193. Kruijt, R. and S.R. Gradstein. 1985. A new genus of Lejeuneaceae from Tropical America: Lindigianthus gen. nov. Beih. Nova Hedwigia 80: 165-172 Gradstein, S.R. and G.M.C. Buskes. 1985. A revision of Neotropical Archilejeunea. Beih. Nova Hedwigia 80: 89-112. Gradstein, S.R., R. Matsuda and Y. Asakawa. 1985. A chemotaxonomic survey of terpenoids and aromatic compounds in the Lejeuneaceae. Beih. Nova Hedwigia 80: 63-86. Gradstein, S.R. 1985. A guide to the holostipous Lejeuneaceae. Beih. Nova Hedwigia 80: 13-30 Gradstein, S.R. and G. Zijlstra. 1985. Lopholejeunea. In: E.P. Geissler & H. Bischler (eds.), Index Hepaticarum vol. X. J. Cramer, Braunschweig. Gradstein, S.R. 1985. Obituary: J. Cramer (193l-1985). Bryol. Times 34: 3-4. Gradstein, S.R. 1985. Review of: J.-P. Frahm & W. Frey, Moosflora. Acta Bot. Neerl. 34: 367. 1984 Weber, W.A. and S.R. Gradstein. 1984. Lichens and Bryophytes. In: R. Perry (ed.), Key Environments: Galapagos, p. 7l-84. Pergamon Press, Oxford. Gradstein, S.R., D.H. Vitt and R.S. Anderson. 1984. The epizoic occurrence of Daltonia angustifolia in Papua New Guinea. Crytog., Bryol. Lichenol. 5: 47-50. Frahm, J.-P. and S.R. Gradstein. 1984. Some recommendations for the citations of synonyms, types and specimes. Bryol. Times 28: 1-2. Reenen, G.B.A. van, and S.R. Gradstein. 1984. An investigation of bryophyte distribution and ecology along an altitudinal gradient in Colombia. J. Hattori Bot. Lab. 56: 79-84. Gradstein, S.R. 1984. Review of: P.S. Ashton, Dipterocarpaceae, Flora Malesiana 9(2). Acta Bot. Neerl. 33: 142. Weber, W.A. and S.R. Gradstein. 1984. Death on the Galapagos. Bryol. Times 26: 1-2. 1983 Gradstein, S.R., T. Pócs and J. Vána. 1983.Disjunct Hepaticae in Tropical America and Africa. Acta Bot. Hungarica 29: 127-171. Reenen, G.B.A. van, and S.R. Gradstein. 1983. Studies on Colombian Cryptogams XX. A transect analysis of the bryophyte vegetation along an altitudinal gradient on the Sierra Nevada de Santa Marta, Colombia. Acta Bot. Neerl. 32: 163-175. Gradstein, S.R. 1983. Review of: J. Kuyt, Flora of Waterton Lakes National Park. Acta Bot. Neerl. 32: 125. Gradstein, S.R. 1983. Review of: M. Jacobs, Het Tropisch Regenwoud. Acta Bot. Neerl. 32: 123-124. Gradstein, S.R. 1983. Review of: H. Lieth, Tasks for Vegetation Science vols. 1, 5, 7, Acta Bot. Neerl. 32: 348. 1982 Gradstein, S.R., R. Grolle, G. Zijlstra and H. Bischler. 1982. The Sprucean genera of Lejeuneaceae: proposals for conservation. Taxon 31: 746-752. Griffin, D., S.R. Gradstein and J. Aguirre. 1982. On a new antipodal element in the neotropical paramos: Dendrocryphaea latifolia sp. nov. Acta Bot. Neerl. 3l: 175-184. Gradstein, S.R. and W.A. Weber. 1982.The bryogeography of the Galapagos Islands. J. Hattori Bot. Lab. 52: 127-152. Gradstein, S.R., H.J. During and A. Touw. 1982. Bryophyte mapping in the Netherlands. Lejeunia 107: 37-40. Geissler, P. and S.R. Gradstein. 1982. SEM studies on sporophyte characters in Lejeuneaceae, a preliminary report. J. Hattori Bot. Lab. 52: 127-131. Kashiwadani, H. and S.R. Gradstein. 1982. Notes on Baeomyces sanguineus Asah. and Gymnoderma coccocarpum Nyl. Misc. Bryol. Lichenol. 9: 37-40. Gradstein, S.R. 1982. Bryological exploration of Tropical America: closing remarks. Beih. Nova Hedwigia 7l. Griffin, D. and S.R. Gradstein. 1982. Bryological exploration of the Tropical Andes: current status. Beih. Nova Hedwigia 7l: 506-512. Gradstein, S.R. 1982. Generic concepts in Lejeuneaceae. Beih. Nova Hedwigia 71: 199-201. Gradstein, S.R. and E.W. Jones. 1982. Schiffneriolejeunea fragilis sp. nov. J. Bryology 12: 45-47. Gradstein, S.R. 1982. Review of: H.A. Crum & L.E. Anderson, Mosses of Eastern North America. Taxon 31: 136-137; ibid: 372-373. 1981 Gradstein, S.R., R. Matsuda and Y. Asakawa. 198l. Oil bodies and terpenoids in Lejeuneaceae and other selected Hepaticae. J. Hattori Bot. Lab. 50: 231-248. Gradstein, S.R. and L. Terken. 198l. Studies on Lejeuneaceae subfam. Ptychanthoideae VI. A revision of Schiffneriolejeunea sect. Saccatae from Asia. Occ. Pap. Farlow Herb. 16: 71-81. Inoue, H., Y. Asakawa and S.R. Gradstein. 1981. A biosystematic study of Nipponolejeunea. Bull. Nat. Sci. Mus. Tokyo, B, 7: 202-210. Inoue, H., Y. Asakawa and S.R. Gradstein. 198l. A biosystematic study of Neohattoria herzogii. Bull. Nat. Sci. Mus. Tokyo, B, 7: 23-30. Geissler, P. and S.R. Gradstein. 1981. On a small collection of living Lejeuneaceae from Peru. Candollea 36: 119-130. Gradstein, S.R. and R. Grolle. 1981. Mastigolejeunea undulata sp. nov. Mensch, Kultur und Umwelt im Zentralen Bergland von West Neuguinea 7: 12-14. Slageren, M.W. van, and S.R. Gradstein. 1981. Studies on Lejeuneaceae subfam. Ptychanthoideae VII. Paraphyllia in Brachiolejeunea laxifolia. J. Bryology 11: 463-466. Gradstein, S.R. 1981. Review of: C.A. Stace, Plant Taxonomy and Biosystematics. Taxon 30: 722. Gradstein, S.R. 1981. Review of: M.C. Kellman, Plant Geography. Acta Bot. Neerl. 30: 330. 1980 Landwehr, J., S.R. Gradstein and H. van Melick 1980. Atlas Nederlandse Levermossen. W.J. Thieme, Zutphen, 287 p. De Zuttere, Ph., G. Raeymaekers and S.R. Gradstein. 1980. Lophozia wenzelii, espèce nouvelle pour la Belgique et Marsupella sprucei, seconde récolte Belge. Dumortiera 14/15: 1-5. Inoue, H. and S.R. Gradstein. 1980. A review of the genus Plagiochila in the Galapagos Islands. Bull. Nat. Sci. Mus. Tokyo, B, 6: 7-22. Gradstein, S.R. and H. Inoue. 1980. Studies on Lejeuneaceae subfam. Ptychanthoideae V. A review of the species from Ceylon. Bull. Nat. Sci. Mus. Tokyo, B, 6: 23-32. Gradstein, S.R. 1980. Review of: G.C.E. Clarke & J.G. Duckett, Bryophyte Systematics. Taxon 29: 678-679. 1979 Gradstein, S.R. "1979". The genera of Lejeuneaceae: past and present. In: E.C.G. Clarke and J.G. Duckett (eds.), Modern approaches to Bryophyte Systematics, p. 83-107. Academic Press, London. Gradstein, S.R. and W.H.A. Hekking. 1979. Studies on Colombian Cryptogams IV. A catalogue of the Hepaticae of Colombia. J. Hattori Bot. Lab. 45: 93-144. Gradstein, S.R. 1979. Directory of Bryologists and Bryological Research. Regnum Vegetabile vol. 99, 81 p. Gradstein, S.R. "1979". Holostipae. In: D. Griffin III (ed.), Guia preliminar para as Briofitas frequentes em Manaus e adjacencias. Acta Amazonica 9: 36-37. Gradstein, S.R. 1979. Vegetation zonation and bryophyte distribution on the Galapagos Islands. Abstr. Bot. Budapest Suppl. 3: 47-49. Gradstein, S.R. and P. Geissler. 1979. Soirée musicale. Villa "La Chène", Geneva, 3 p. 1978 Gradstein, S.R. and H.J. Sipman. 1978. Taxonomy and world distribution of Campylopus introflexus and C. pilifer  C. polytrichoides): a new synthesis. The Bryologist 8l: 114-121.Gradstein, S.R. 1978. Oil bodies in liverworts. Acta Bot. Neerl. 27: 425-426. 1977 Gradstein, S.R., A.M. Cleef and M.H. Fulford. 1977. Oil body structure and ecological distribution of selected species of Andean Jungermanniales. Proc. Kon. Akad. Wetensch. C, 80: 377-420. Gradstein, S.R. 1977. Studies on Lejeuneaceae subfam. Ptychanthoideae IV. Verdoornianthus, a new genus from Amazonia. The Bryologist 80: 606-611. Gradstein, S.R. and J.H. Smittenberg. 1977. The hydrophilous vegetation of Western Crete. Vegetatio 34: 65-86. Gradstein, S.R. 1977. Lijst van de Nederlandse levermossen. Lindbergia 4: 151-156. Gradstein, S.R. 1977. Obituary: Peter Arnold Florschütz (1923-1976). The Bryologist 80: 395-398. Gradstein, S.R. and W.V. Rubers. 1977. Verslag van de voorjaarsexcursie op 3,4 en 5 mei 1975 naar de West-Betuwe. Buxbaumiella 6: 4-27. Gradstein, S.R. and G.B.A. van Reenen. 1977. List of revised names to: S.M. MacVicar, The students Handbook of British Hepaticae. Institute of systematic Botany, Utrecht, 12 p. Weber, W.A., S.R. Gradstein and H.J. Sipman. 1977. Bryophytes and lichens of the Galapagos Islands. Noticias de Galapagos 26: 7-11. Gradstein, S.R. and W.V. Rubers. 1977. Verslag van de voorjaarsexcursie op 3, 4 en 5 mei 1975 naar de West-Betuwe. Buxbaumiella 6: 4-27. 1976 Iwatsuki, Z., D.H. Vitt and S.R. Gradstein 1976. A Guide to the Bryological Herbaria of the World. Bryophytorum Bibliotheca Vol. 8, 144 p. Gradstein, S.R. 1976. Review of: E.J. Bonnot, Les problèmes modernes de la Bryologie. Taxon 25: 369-370. 1975 Gradstein, S.R. 1975. A Monograph of the Genus Acrolejeunea. Bryophytorum Bibliotheca Vol. 4, 216 p. Gradstein, S.R., W.V. Rubers and H.J. Sipman. 1975. Lophozia perssonnii Buch & S. Arnell in Nederland. Lindbergia 3: 119-120. Gradstein, S.R. and D.M. Vital. 1975. On Myriocoleopsis Schiffn. Lindbergia 3: 39-45. Gradstein, S.R. 1975. Review of: H.Inoue, Illustrations of Japanese Hepaticae. Taxon 24: 257. 1974 Gradstein, S.R. 1974. Studies on Lejeuneaceae subfam. Ptychanthoideae II. Two remarkable species of Caudalejeunea: C. grolleana sp. nov. and C. cristiloba (Steph.) comb. nov. Acta Bot. Neerl. 23: 333-343. Gradstein, S.R. 1974. Studies on Lejeuneaceae subfam. Ptychanthoideae I. Nomenclature and taxonomy of Ptychocoleus, Acrolejeunea and Schiffneriolejeunea. J. Hattori Bot. Lab. 38: 327-336. Gradstein, S.R. 1974. Developpement du sporophyte et position taxonomique du genre Odontoschisma Dum. Bull. Soc. Bot. France 121: 67-70. 1973 Gradstein, S.R. 1973. Directory of Bryologists and Bryological Research. Regnum Vegetabile vol. 88, 67 p. Gradstein, S.R. 1973. Observations on sporophyte developpement in Odontoschima prostratum. The Bryologist 75: 569-574. Gradstein, S.R. and H. van Melick. 1973. Nogmaals Bryum gemmiparum en Bryum bicolor. Lindbergia 2: 132. Gradstein, S.R. and P.A. Florschütz. 1973. Review of: Z. Iwatsuki & M. Mizutani, Coloured illustrations of Bryophytes of Japan. Taxon 22: 170. 1972 Florschütz, P.A., S.R. Gradstein and W.V. Rubers. 1972. The spreading of Fissidens crassipes Wils. in the Netherlands. Acta Bot. Neerl. 21: 174-179. Gradstein, S.R. 1972. A note on the bryophytes of the Maltese Islands. Acta Bot. Neerl. 21: 67-70. Gradstein, S.R. and H. van Melick. 1972. Bryum gemmiparum De Not. nieuw voor Nederland. Lindbergia 1: 243-245. Gradstein, S.R. 1972. Een taxonomische studie van Odontoschima denudatum en O. sphagni in Nederland. Lindbergia l: 234-240. 1971 Gradstein, S.R. 1971. New or otherwise interesting Bryophytes from Crete. Revue Bryol. Lichénol. 37: 663-679. Gradstein, S.R., J.J. den Held and P. Wolff. 1971. Revisie van de Nederlandse soorten van het Bryum erythrocarpum complex. Lindbergia 1: 92-97. Gradstein, S.R., H.H. Heemstra and J.A.J.M. Stalpers. 197l. List of revised names to: H.N. Dixon, The students Handbook to British Mosses. Inst. of Syst. Botany, Utrecht, 34 pp (second edition 1973). 1970 Gradstein, S.R. 1970. Dicranum tauricum Sapehin bij Oisterwijk, met opmerkingen over het genus Orthodicranum Loeske. Buxbaumia 23: 6l-64. Gradstein, S.R. 1970. Mylia taylori (Hook.) Gray (nog) niet in Nederland. Buxbaumia 23: 73-74. Gradstein, S.R. 1970. Bryum klinggraeffii Schimp. in Nederland. Buxbaumia 23: 56. 1968 Gradstein, S.R. 1968. Review of : R.M. Schuster, The Hepaticae and Anthocerotae of North America. Taxon 17: 429-430. Gradstein, S.R. and J.H. Smittenberg.1968. Hygrophiele vegetaties op Kreta. Contactblad voor oecologen 4: 11-12. Gradstein, S.R. and J.H. Smittenberg. 1968. Bron-, beek- en moerasvegetaties van West Kreta. Inst. Syst. Plantk., Utrecht, 87 pp. Gradstein, S.R. and J.H. Kern. 1968. A new Carex from Crete. Acta Bot. Neerl. l7: 242-247. 1961 Gradstein, S.R. Hookeria lucens en Trichocolea tomentella in het Bunderbos. Buxbaumia 15: 60-61. SERIES EDITED: TAXON, Volumes 55 - , since 2005. Flora Neotropica, Volumes 50, 53-54, 57-58, 62, 65, 69, 74, 78, 89, 90, 97, and five further volumes to appear, New York Botanical Garden Press, since 1987. Bryophytorum Bibliotheca, Volumes 34-61. J. Cramer Verlag, Stuttgart, since 1987 Tropical Bryology, Volumes 1-10. Duisburg-Utrecht, 1989-1995 The Bryological Times, nrs. 50-70. Edmonton, St. Louis, Geneva, Utrecht, Praha, Moscow, Bejing, Tokyo, Canberra, 1989-1993. Bryophyta Neotropica Exsicata, Fascicles I-VIII, nrs. 1-400. Herbarium Utrecht, 1984-1998. Studies on Colombian Cryptogams, 1-40. Herbarium Utrecht, 1982, 1983, 1990. |
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