Publikationen

See my publications on:

2017

Abrahamczyk, S., M. Kessler, D. Hanley, D.N. Karger, M.P.J. Müller, A.C. Knauer, F. Keller, M. Schwerdtfeger & A.M. Humphreys. 2017. Pollinator adaptation and the evolution of floral nectar sugar composition. Journal of Evolutionary Biology 30: 112-127.
Acebey, A., T. Krömer & M. Kessler. 2017. Species richness and vertical distribution of ferns and lycophytes along an elevational gradient in Los Tuxtlas, Veracruz, Mexico. Flora 235: 83-91.
Carvajal-Hernández, C.I., T. Krömer, J.C. López-Acosta, J.A. Gómez-Díaz & M. Kessler. 2017. Conservation value of disturbed and secondary forests for ferns and lycophytes along an elevational gradient in Mexico. Applied Vegetation Science DOI 10.1111/avsc.12318
Chen, C.-W., C.J. Rothfels, A.M.A. Mustapeng, M. Gubilil, D.N. Karger, M. Kessler & Y.-M. Huang. 2017. End of an enigma: Aenigmopteris belongs in Tectaria (Tectariaceae: Polypodiopsida). Journal of Plant Research DOI 10.1007/s10265-017-0966-9
Chumacero de Schawe, C., M. Kessler, I. Hensen & T. Tscharntke. 2017. Abundance and diversity of flower visitors on wild and cultivated cacao (Theobroma cacao L.) in Bolivia. Agroforestry Systems DOI 10.1007/s10457-016-0019-8
De la Harpe, M., M. Paris, D.N. Karger, J. Rolland, M. Kessler, N. Salamin & C. Lexer. 2017. Molecular ecology studies of species radiations: current research gaps, opportunities, and challenges. Molecular Ecology DOI 0.1111/mec.14110
Hudson, L.N., 245 co-authors, M. Kessler, 229 co-authors & A. Purvis. 2017. The PREDICTS database: a global database of how local terrestrial biodiversity responds to human impacts. Ecology and Evolution DOI 10.1002/ece3.2579
Homeier, J., L. Salazar, M.A. Chinchero, S. Bossen, S. Trogisch, M. Unger, M. Kessler, J. Kluge, H. Navarrete & C. Leuschner. 2017. Diversidad de plantas vasculares en relación con factores edafológicos y climáticos en los bosques de la Reserva Biosfera Sumaco y sus alrededores. Pp. 203–218 in Torres, B., J.C. Vargas, Y. Arteaga, A. Torres & P. Lozano (eds) Gente, Bosque y Biodiversidad – El rol del bosque sobre la biodiversidad y las poblaciones humanas. Universidad Estatal Amazónica, Puyo, Ecuador. ISBN 978-9942-932-19-8
Karger, D.N., O. Conrad, J. Böhner, H. Kreft, R.W. Soria-Auza, N. Zimmermann, H.P. Linder &, M. Kessler. 2017. Climatologies at high resolution for the earth land surface areas (CHELSA). Scientific Data 4:170122: 1-20 | DOI: 10.1038/sdata.2017.122
Kessler, M. & A.R. Smith. 2017. Prodromus of a fern flora for Bolivia. I. General introduction and key to families. Phytotaxa 327: 57-89.
Kessler, M. & A.R. Smith. 2017. Prodromus of a fern flora for Bolivia. V. Ophioglossaceae. Phytotaxa 327: 90-94.
Kessler, M. & A.R. Smith. 2017. Prodromus of a fern flora for Bolivia. VI. Psilotaceae. Phytotaxa 327: 95-96.
Kessler, M. & A.R. Smith. 2017. Prodromus of a fern flora for Bolivia. VII. Equisetaceae. Phytotaxa 327: 97-99.
Kessler, M. & A.R. Smith. 2017. Prodromus of a fern flora for Bolivia. IX. Osmundaceae. Phytotaxa 327: 100-102.
Lehnert, M., M. Krug & M. Kessler. 2017. A review of symbiotic fungal endophytes in lycophytes and ferns – a global phylogenetic and ecological perspective. Symbiosis 17: 77-89.
Lehtonen, S., D. Silvestro, D.N. Karger, C. Scotese, H. Tuomisto, M. Kessler, C. Peña, N. Wahlberg & A. Antonelli. 2017. Environmentally driven extinction and opportunistic origination explain fern diversification patterns. Scientific Reports 7: 4831 (1-12).
Noben, S., M. Kessler, D. Quandt, A. Weigand, S. Wicke, M. Krug & M. lehnert. 2017. Biogeography of the Gondwanan tree fern family Dicksoniaceae – A tale of vicariance, dispersal, and extinction. Journal of Biogeography 44: 2648-2659.
Schneider, H., H.-M. Liu, Y.-F. Chang, D. Ohlsen, L.R. Perrie, L. Shepherd, M. Kessler, D.N. Karger, S. Hennequin, J. Marquardt, S. Russell, S. Ansell, N.T. Lu, P. Kamau, J. Lóriga P., L. Regalado, J. Heinrichs, A. Ebihara, A.R. Smith & M. Gibby. 2017. Neo- and paleopolyploidy contribute to the species diversity of Asplenium - the most species-rich genus of ferns. Journal of Systematics and Evolution DOI 10.1111/jse.12271
Sylvester, S.P., F. Heitkamp, M. D.P.V. Sylvester, H.F. Jungkunst, H.J.M. Sipman, J.M. Toivonen, C.A. Gonzales I., J.C. Ospina & M. Kessler. 2017. Relict high-Andean ecosystems challenge our concepts of naturalness and human impact. Scientific Reports 7: 3334 (1-13).
Sylvester, S.P., M. D.P.V. Sylvester & M. Kessler. 2017. Four new and five overlooked records of vascular plants from high elevation puna grasslands of the southern Peruvian Andes. Arnaldoa 24: 229-238.

2016

Colwell, R.K., N.J. Gotelli, L.A. Ashtone, J. Beck, G. Brehm, T.M. Fayle, K. Fiedler, M.L. Forister, M. Kessler, R.L. Kitching, P. Klimes, J. Kluge, J.T. Longino, S.C. Maunsell, C.M. McCain, J. Moses, S. Noben, K. Sam, L. Sam, A.M. Shapiro, X. Wangu & V. Novotny. 2016. Midpoint attractors and species richness: Modeling the interaction between environmental drivers and geometric constraints. Ecology Letters 19: 1009-1022.
De Palma, A., 30 co-authors, M. Kessler, 43 co-authors & A. Purvis. 2016. Predicting bee community responses to land-use changes: Effects of geographic and taxonomic biases. Scientific Reports 6: 31153, 1-12.
Herzog, S.K., R.S. Terrill, A.E. Jahn, J.V. Remsen, Jr., O. Maillard Z., V.H. García-Solíz, R. MacLeod, A. Maccormick & J.Q. Vidoz. Principal Illustrators C.C. Tofte, H. Slongo, J.Q. Vidoz, O. Tintaya, M. Kessler & J. Fjeldså. 2016. Birds of Bolivia. Field Guide. Asociación Armonía, Santa Cruz, Bolivia. 491 pp. ISBN 978-99905-961-8-2
Karger, D.N., A.F. Cord, M. Kessler, H. Kreft, I. Kühn, S. Pompe, B. Sandel, J.S. Cabral, A.B. Smith, J.-C. Svenning, H. Tuomisto, P. Weigelt & K. Wesche. 2016. Delineating probabilistic species pools in ecology and biogeography. Global Ecology and Biogeography 25: 489-501.
Karger, D.N., J. Kluge & M. Kessler. 2016. Comparing species richness patterns of epiphytic and terrestrial ferns along elevational and latitudinal gradients. Pp. 53-54 in Zotz, G. Plants on Plants – The Biology of Vascular Epiphytes. Springer, Berlin. ISBN 978-3-319-39237-0
Kessler, M., D.N. Karger & J. Kluge. 2016. Elevational diversity patterns as an example for evolutionary and ecological dynamics in ferns and lycophytes. Journal of Systematics and Evolution 54: 617-625.
Lehnert, M. & M. Kessler. 2016. Mycorrhizal relationships in lycophytes and ferns. Fern Gazette 20: 101-116.
PPG I (93 co-authors). 2016. A community-based classification for extant ferns and lycophytes. Journal of Systematics and Evolution 54: 563-603.
Schuettpelz,E., C.-W. Chen, M. Kessler, J.B. Pinson, G. Johnson, A. Davila, A.T. Cochran, L. Huiet & K.M. Pryer. 2016. A revised generic classification of vittarioid ferns (Pteridaceae) based on molecular, micromorphological, and geographic data. Taxon 65: 708-722.
Steudel, B., C. Hallmann, M. Lorenz, S. Abrahamczyk, K. Prinz, C. Herrfurth, I. Feussner, J.W.R. Martini & M. Kessler. 2016. Contrasting biodiversity–ecosystem functioning relationships in phylogenetic and functional diversity. New Phytologist 212: 409-420.
Sylvester, S.P., D. Quandt, L. Ammann & M. Kessler. 2016. The world’s smallest Campanulaceae: Lysipomia mitsyae sp. nov. Taxon 65: 305-314.

2015

Abrahamczyk, S. & M. Kessler. 2015. Morphological and behavioural adaptations to feed on nectar: how feeding ecology determines the diversity and composition of hummingbird assemblages. Journal of Ornithology 156: 333-347
Datta, M.D., M. Kessler & S.K. Mukherjee. 2015. Cypselar features and their taxonomic significance in four species of Asteraceae. Journal of Economic and Taxonomic Botany 39: 182-193.
Fernández, M., L.M. Navarro, A. Apaza-Quevedo, S.C. Gallegos, A. Marques, C. Zambrana-Torrelio, F. Wolf, H. Hamilton, A.J. Aguilar-Kirigin, L.F. Aguirre, M. Alvelar, J. Aparicio, L. Apaza-Vargas, G. Arellano, E. Armijo, N. Ascarrunz, S. Barrera, S.G. Beck, H. Cabrera-Condarco, C. Campos-Villanueva, L. Cayola, N.P. Flores-Saldana, A.F. Fuentes, M.C. García-Lino, M.I. Gómez, Y.S. Higueras, M. Kessler, J.C. Ledezma, J.M. Limachi, R.P. López, M. I. Loza, M.J. Macía, R.I. Meneses, T.B. Miranda, A.B. Miranda-Calle, R.F. Molina-Rodriguez, M. Moraes R., M.I. Moya-Diaz, M. Ocampo, H.L. Perotto-Baldivieso, O. Plata, S. Reichle, K. Rivero, R. Seidel, L. Soria, M.F. Terán, M. Toledo, F.S. Zenteno-Ruiz & H.M. Pereira. 2015. Challenges and opportunities for the Bolivian Biodiversity Observation Network. Biodiversity 2015 DOI 10.1080/14888386.2015.1068710: 1-13.
Karger, D.N., H. Tuomisto, V.B. Amoroso, D. Darnaedi, A. Hidayat, S. Abrahamczyk, J. Kluge, M. Lehnert & M. Kessler. 2015. The importance of species pool size for community composition. Ecography 38: 1243-1253.
Kessler, M., E. Connor & M. Lehnert. 2015. Volatile organic compounds in the strongly fragrant fern genus Melpomene (Polypodiaceae). Plant Biology 17: 430-436.
Lehnert, M., F.P. Coritico, D. Darnaedi, A. Hidayat, J. Kluge, D.N. Karger & M. Kessler. 2015. Validation of a new combination in the genus Alsophila (Cyatheaceae-Polypodiopsida). Systematic Botany 40: 386.
Peng, Y., S. Lachmuth, S.C. Gallegos, M. Kessler, P.M. Ramsay, D. Renison, R. Suarez & I. Hensen (2015) Pleistocene climatic oscillations rather than recent human disturbance influence genetic diversity in one of the world’s highest treeline species. American Journal of Botany 102: 1676-1684.
Salazar, L., J. Homeier, M. Kessler, S. Abrahamczyk, M. Lehnert, T. Krömer & J. Kluge. 2015. Diversity patterns of ferns along elevational gradients in Andean tropical forests. Plant Ecology and Diversity 8: 13-24.
Slik, F., 71 co-authors, M. Kessler, 100 co-authors & E.M. Venticinque. 2015. An estimate of the number of tropical tree species. Proceedings of the National Academy of Sciences USA DOI 10.1073/pnas.1423147112.
Sundue M., S.P. Sylvester, M. Kessler, B. Lyons, T.A. Ranker & C.W. Morden. 2015. A new species of Moranopteris (Polypodiaceae) from inaccessible ledges in the high Andes of Peru. Systematic Botany 40: 652-657.
Thonhofer, J., D. Getto, O. van Straaten, D. Cicuzza & M. Kessler. 2015. Influence of spatial and environmental variables on rattan palm (Arecaceae) assemblage composition in Central Sulawesi, Indonesia. Plant Ecology 216:55-66.
Wei, R., Q. Xiang, H. Schneider, M.A. Sundue, M. Kessler, P.W. Kamau, A. Hidayat & X. Zhang. 2015. Eurasian origin, boreotropical migration and transoceanic dispersal in the pantropical fern genus Diplazium (Athyriaceae). Journal of Biogeography 42: 1809-1819.
Weigelt, P., W.D. Kissling, Y. Kisel, S.A. Fritz, D.N. Karger, M. Kessler, S. Lehtonen, J.-C. Svenning & H. Kreft. 2015. Global patterns and drivers of phylogenetic structure in island floras. Scientific Reports 5: 12213 (1-13)

2014

Abrahamczyk, S., J.M. de Vos, C. Sedivy, P. Gottleuber & M. Kessler. 2014. A humped latitudinal phylogenetic diversity pattern of orchid bees (Hymenoptera: Apidae: Euglossini) in western Amazonia:assessing the influence of climate and geologic history. Ecography 37: 500-508.
Aguilar-Rodriguez, P.A., M.C. MacSwiney G., T. Krömer, J.G. García-Franco, A. Knauer & M. Kessler. 2014. First record of bat-pollination in the species-rich genus Tillandsia (Bromeliaceae). Annals of Botany 113: 1047-1055.
Gonzales, J. & M. Kessler. 2014. Gleicheniaceae. Pp. 115-117 in Jørgensen, P.M., M.H. Nee & S.G. Beck (eds) Catálogo de las Plantas Vasculares de Bolivia. Monographs in Systematic Botany from the Missouri Botanical Garden 127, Missouri Botanical Garden Press, St. Louis. ISBN 978-1-930723-71-9
Heitkamp, F., S. Sylvester, M. Kessler, M.D.P.V. Sylvester & H. Jungkunst. 2014. Inacessible Andean sites reveal human-induced weathering in grazed soils. Progress in Physical Geography 38: 576-601.
Hennequin, S., M. Kessler, S. Lindsay & H. Schneider. 2014. Evolutionary patterns in the assembly of fern diversity on the oceanic Mascarene Islands. Journal of Biogeography 41: 1651-1663. DOI 10.1111/jbi.12339
Hudson, L.N., 124 co-authors, M. Kessler, 116 co-authors & A. Purvis. 2014. The PREDICTS database: a global database of how local terrestrial biodiversity responds to human impacts. Ecology and Evolution DOI 10.1002/ece3.1303
Jones, M.M., D. Cicuzza, O. van Straaten, E. Veldkamp & M. Kessler. 2014. Determinants of fern and angiosperm herb community structure in lowermontane rainforest in Indonesia. Journal of Vegetation Science 25: 1216-1224. DOI 10.1111/jvs12181
Karger, D.N., P. Weigelt, V.B. Amoroso, D. Darnaedi, A. Hidayat, H. Kreft & M. Kessler. 2014. Island biogeography from regional to local scales: evidence for a spatially scaled echo pattern of fern diversity in the Southeast Asian archipelago. Journal of Biogeography 41: 250-260.
Kessler, M. 2014. Anemiaceae. Pp. 83-84, Aspleniaceae. Pp. 84-89, Blechnaceae. Pp. 89-92, Davalliaceae. Pp. 96-97, Dennstaedtiaceae. Pp. 97-99, Dicksoniaceae. P. 99, Dryopteridaceae. Pp. 99-114, Equisetaceae. Pp. 114-115, Hymenophyllaceae. Pp. 117-122, Isoetaceae. P. 122, Lindsaeaceae. Pp. 122-123, Lomariopsidaceae. Pp. 123-124, Loxsomataceae. P. 124, Lygodiaceae. Pp. 127-128, Marattiaceae. P. 128, Marsileaceae. Pp. 128-129, Metaxyaceae. P. 129, Marsileaceae. Pp. 128-129, Oleandraceae. P. 129, Ophioglossaceae. Pp. 129-130, Osmundaceae. P. 130, Plagiogyriaceae. P. 130, Psilotaceae. Pp. 147-148, Saccolomataceae. P. 159, Salviniaceae. P. 159, Schizaeaceae. P. 160, Selaginellaceae. Pp. 160-162, Tectariaceae. Pp. 162-163, Thelypteridaceae. Pp. 163-170, Woodsiaceae. Pp. 170-173 in Jørgensen, P.M., M.H. Nee & S.G. Beck (eds) Catálogo de las Plantas Vasculares de Bolivia. Monographs in Systematic Botany from the Missouri Botanical Garden 127, Missouri Botanical Garden Press, St. Louis. ISBN 978-1-930723-71-9
Kessler, M., R. Güdel, L. Salazar, J. Homeier & J. Kluge. 2014. Impact of mycorrhization on the abundance, growth and leaf nutrient status of ferns along a tropical elevational gradient. Oecologia 175: 887-900. DOI 10.1007/s00442-014-2014-7
Kessler, M., A. Kühn, V. G. Solís Neffa & I. Hensen. 2014. Complex geographical distribution of ploidy levels in Polylepis australis (Rosaceae), an endemic tree line species in Argentina. International Journal of Plant Sciences 175: 955-961.
Kessler, M. & M. Lehnert 2014. Polypodiaceae. Pp. 130-147 in Jørgensen, P.M., M.H. Nee & S.G. Beck (eds) Catálogo de las Plantas Vasculares de Bolivia. Monographs in Systematic Botany from the Missouri Botanical Garden 127, Missouri Botanical Garden Press, St. Louis. ISBN 978-1-930723-71-9
Kessler, M., L. Salazar, J. Homeier & J. Kluge. 2014. Species richness-productivity relationships of tropical terrestrial ferns at regional and local scales. Journal of Ecology 102: 1623-1633.
Kessler, M., J. Toivonen, S.P. Sylvester, J. Kluge & D. Hertel. 2014. Elevational patterns of Polylepis tree height (Rosaceae) in the high Andes of Peru: the role of human impact and climatic conditions. Frontiers in Plant Science 5, article 194: 1-12, DOI 10.3389/fpls.2014.00194
Krömer, T., P.L. Ibisch, R. Vásquez, M. Kessler, B.K. Holst & H.E. Luther. 2014. Bromeliaceae. Pp. 418–439 in Jørgensen, P.M., M.H. Nee & S.G. Beck (eds) Catálogo de las Plantas Vasculares de Bolivia. Monographs in Systematic Botany from the Missouri Botanical Garden 127, Missouri Botanical Garden Press, St. Louis. ISBN 978-1-930723-71-9
Sylvester, S.P., M. D.P.V. Sylvester & M. Kessler. 2014. Inaccessible ledges as refuges for the natural vegetation of the high Andes. Journal of Vegetation Science 25: 1225-1234. DOI 10.1111/jvs12176
Sylvester, S.P., M. D.P.V. Sylvester & M. Kessler. 2014. The world’s highest epiphytes found in the Peruvian Andes. Alpine Botany 124: 179-185.
Toivonen, J.E., V. Horna, M. Kessler, K. Ruokolainen & D. Hertel. 2014. Interspecific variation in functional traits in relation to species climatic niche optima in Andean Polylepis (Rosaceae) tree species: evidence for climatic adaptations. Functional Plant Biology 41: 301-312.

2013

Chumacero de Schawe, C., W. Durka, T. Tscharntke, I. Hensen & M. Kessler. 2013. Gene flow and genetic diversity in cultivated and wild cacao (Theobroma cacao) in Bolivia. American Journal of Botany 100: 2271-2279.
Cicuzza, D., T. Krömer, A. D. Poulsen, S. Abrahamczyk, T. Delhotal, H. M. Piedra & M. Kessler. 2013. A transcontinental comparison of the diversity and composition of tropical forest understory herb assemblages. Biodiversity and Conservation 22: 755-772.
Karger, D.N., S. Abrahamczyk & M. Kessler. 2013. Inventory of hawkmoths (Lepidoptera: Sphingidae) in five forest fragments near Santa Cruz de la Sierra. Ecología en Bolivia 48: 46-51.
Kessler, M. 2013. A new species of Elaphoglossum sect. Lepidoglossa (Dryopteridaceae) from Bolivia. Phytotaxa 77: 33-39.
Krömer, T., A. Acebey, J. Kluge & M. Kessler. 2013. Effects of altitude and climate in determining elevational plant species richness patterns: A case study from Los Tuxtlas, Mexico. Flora 208: 197-210.
Lehnert, M., F.P. Coritico, D. Darnaedi, A. Hidayat, J. Kluge, D.N. Karger & M. Kessler. 2013. Taxonomic and ecological notes on the Alsophila hornei complex (Cyatheaceae-Polypodiopsida), with the description of the new species A. phlebodes from New Guinea. Systematic Botany 38: 875-886.
León, B. & M. Kessler. 2013. Campyloneurum poloense (Polypodiaceae), a new combination and lectotypification for a Bolivian fern. Phytotaxa 119: 59-60.
Moguel V., A.L. & M. Kessler. 2013. Grammitid ferns (Polypodiaceae) III. Alansmia. Flora Neotropica Monograph 113: 1-68. The New York Botanical Garden, Bronx, NY. ISSN 0071-5794, ISBN-13: 978-0-89327-525-9
Schmidt-Lebuhn, A.N., N.J. Knerr & M. Kessler. Nongeographical collecting biases in herbarium specimens of Australian daisies (Asteraceae). Biodiversity and Conservation 22: 905-919. DOI 10.1007/s10531-013-0457-9

2012

Abrahamczyk, S., P. Gottleuber & M. Kessler. 2012. Seasonal changes in odour preferences by male Euglossine bees (Hymenoptera: Apidae) and their ecological implications. Apidologie 43: 212-217.
Cicuzza, D., Y. Clough, S.S. Tjitrosoedirdjo & M. Kessler. 2012. Responses of terrestrial herb assemblages to weeding and fertilization in cacao agroforests in Indonesia. Agroforestry Systems 85: 75-83.
Cicuzza, D. & M. Kessler. 2012. Lindsaea linduensis (Lindsaeaceae, Polypodiales), a new fern species from Sulawesi, Indoensia. Phytotaxa 65: 36-40.
Hensen, I., A. Cierjacks, H. Hirsch, M. Kessler, K. Romoleroux, D. Renison & K. Wesche. 2012. Historic and recent fragmentation coupled with altitude affect the genetic population structure of one of the world’s highest tropical tree line species. Global Ecology and Biogeography 21: 455-464.
Karger, D.N., J. Kluge, S. Abrahamczyk, L. Salazar, J. Homeier, M. Lehnert, V.B. Amoroso & M. Kessler. 2012. Bryophyte cover of trees as proxy for air humidity in the tropics. Ecological Indicators 20: 277-281.
Karger, D.N., S. Lehtonen, V.B. Amoroso & M. Kessler. 2012. A new species of Lindsaea (Lindsaeaceae, Polypodiopsida) from Mt. Hamiguitan, Mindanao, Philippines. Phytotaxa 56: 15-20.
Kessler, M., J.-A. Grytnes, S.R.P. Halloy, J. Kluge, T. Krömer, B. León, M.J. Macía & K.R. Young. 2012. Chapter 14. Gradientes de Diversidad Vegetal: Patrones y Procesos Locales. Pp. 235-253 in Herzog, S.K., R. Martínez, P.M. Jørgensen & H. Tiessen (eds) Cambio Climático y la Biodiversidad en los Andes Tropicales. Inter-American Institute of Global Change Research (IAI), São José dos Campos, Brazil, and Scientific Committee on Problems of the Environment (SCOPE), Paris, France. ISBN: 978-85-99875-06-3.
Kessler, M., D. Hertel, H.F. Jungkunst, J. Kluge, S. Abrahamczyk, M. Bos, D. Buchori, G. Gerold, S.R. Gradstein, S. Köhler, C. Leuschner, G. Moser, R. Pitopang, S. Saleh, C.H. Schulze, S.G. Sporn, I. Steffan-Dewenter, S.S. Tjitrosoedirdjo & T. Tscharntke. 2012. Can joint carbon and biodiversity management in tropical agroforestry landscapes be optimized? PLoS One 7: e47192
Steudel, B., A. Hector, T. Friedl, C. Löfke, M. Lorenz, M. Wesche & M. Kessler. 2012. Biodiversity effects on ecosystem functioning change along environmental stress gradients. Ecology Letters 15: 1397-1405. doi: 10.1111/j.1461-0248.2012.01863.x
Steudel, B., M. Kessler & R. Nyffeler. 2012. Using the internet to aid in discovery of unrecognized type material. Phytotaxa 62: 13-24.
Willinghöfer, S., D. Cicuzza & M. Kessler. 2012. Elevational diversity of terrestrial rainforest herbs: When the whole is less than the sum of its parts. Plant Ecology 213: 407-418.
Wohlgemuth, T., P. Bachmann, A. Bergamini, J. Burnand, C. Ginzler, A. Keel, M. Kessler, M. Nobis, R. Nyffeler, J. Röthlisberger, J. Spillmann & G. Wyss. 2012. 173 Jahre nach Kölliker: Zeit für eine neue Flora des Kantons Zürich. Vierteljahresschrift der Naturforschenden Gesellschaft in Zürich 157: 9-22.

2011

Abrahamczyk, S., P. Gottleuber, C. Matauschek & M. Kessler. 2011. Diversity and community composition of euglossine bee assemblages (Hymenoptera: Apidae) in western Amazonia. Biodiversity and Conservation 20: 2981-3001.
Abrahamczyk, A., J. Kluge, Y. Gareca, S. Reichle & M. Kessler. 2011. The influence of climatic seasonality on the diversity of different tropical pollinator groups. PloS One 6: e27115, 1-9.
Cicuzza, D., M. Kessler, Y. Clough, R. Pitopang, D. Leitner & S.S. Tjitrosoedirdjo. 2011. Conservation value of cacao agroforests for terrestrial herbaceous plants in Central Sulawesi, Indonesia. Biotropica 43: 755-762.
Clough, Y., J. Barkmann, J. Juhrbandt, M. Kessler, T.C. Wanger, A. Anshary, D. Buchori, D. Cicuzza, K. Darras, D.D. Putra, S. Erasmi, R. Pitopang, C. Schmidt, C.H. Schulze, D. Seidel, I. Steffan-Dewenter, K. Stenchly, S. Vidal, M. Weist, A.C. Wielgoss & T. Tscharntke. 2011. Combining high biodiversity with high yields in tropical agroforests. Proceedings of the National Academy of Sciences, USA 108: 8311-8316.
Gonzales J. & M. Kessler. 2011. A synopsis of the neotropical species of Sticherus (Gleicheniaceae), with descriptions of nine new species. Phytotaxa 31: 1-54.
Jácome, J., S.R. Gradstein & M. Kessler. 2011. Responses of epiphytic bryophyte communities to simulated climate change in the Tropics. Pp. 191-210 in Tuba, Z., N.G. Slack & L.R. Stark (eds) Bryophyte Ecology and Climate Change. Cambridge University Press, U.K. ISBN: 978-0-521-76763-7 (hbk), 978-0-521-75777-5 (pbk).
Jones, M.M., B. Szyska & M. Kessler. 2011. Microhabitat partitioning promotes plant diversity in a mid-elevation tropical montane forest. Global Ecology and Biogeography 20: 558-569.
Karger, D.N., J. Kluge, T. Krömer, A. Hemp, M. Lehnert & M. Kessler. 2011. The effect of area on local and regional elevational patterns of species richness. Journal of Biogeography 38:1177-1185.
Kessler, M., S. Abrahamczyk, M. Bos, D. Buchori, D.D. Putra, S.R. Gradstein, P. Höhn, J. Kluge, F. Orend, R. Pitopang, S. Saleh, C.H. Schulze, S.G. Sporn, I. Steffan-Dewenter, S.S. Tjitrosoedirdjo & T. Tscharntke. 2011. Cost-effectiveness of plant and animal biodiversity indicators in tropical forest and agroforest habitats. Journal of Applied Ecology 38: 330-339.
Kessler, M., J.-A. Grytnes, S.R.P. Halloy, J. Kluge, T. Krömer, B. León, M.J. Macía & K.R. Young. 2011. Chapter 14. Gradients of plant diversity: local patterns and processes. Pp. 204-218 in Herzog, S.K., R. Martínez, P.M. Joergensen & H. Tiessen (eds) Climate change effects on the biodiversity of the tropical Andes: an assessment of the status of scientific knowledge. Inter-American Institute of Global Change Research (IAI) and Scientific Committee on Problems of the Environment (SCOPE), São José dos Campos, Brazil, and Paris, France. ISBN: 978-85-99875-05-6
Kessler, M., S. Hofmann, T. Krömer, D. Cicuzza & J. Kluge. 2011. The impact of sterile populations on the perception of elevational richness patterns in ferns. Ecography 34: 123-131.
Kessler, M., J. Kluge, A. Hemp & R. Ohlemüller. 2011. A global comparative analysis of elevational species richness patterns of ferns. Global Ecology and Biogeography 20: 868-880.
Kessler, M., A.L. Moguel V., M. Sundue & P.H. Labiak. 2011. Alansmia, a new genus of grammitid ferns (Polypodiaceae) segregated from Terpsichore. Brittonia 63: 233-244.
Kluge, J. & M. Kessler. 2011. Influence of niche characteristics and forest type on fern species richness, abundance and plant size along an elevational gradient in Costa Rica. Plant Ecology 212: 1109-1121.
Kluge, J. & M. Kessler. 2011. Trait and phylogenetic diversity of ferns along an elevational gradient in Costa Rica. Journal of Biogeography 38: 394-405.
Laurance, W.F., D.C. Useche, L.P. Shoo, S.K. Herzog, M. Kessler, F. Escobar, G. Brehm, J.C. Axmacher, I. C. Chen, L. Arellano G., P. Hietz, K. Fiedler, T. Pyrcz, J. Wolf, C.L. Merkord, C. Cardelús, A. Marshall, C. Ah-Peng, G.H. Aplet, M. del Coro A., W.J. Baker, J. Barone, C.A. Brühl, R.W. Bussmann, D. Cicuzza, G. Eilu, M.E. Favila, A. Hemp, C. Hemp, J. Homeier, R.B. Huey, J. Hurtado, J. Jankowski, G. Kattán, J. Kluge, T. Krömer, D. Lees, M. Lehnert, J.T. Longino, J. Lovett, P.H. Martin, B. Patterson, R. Pearson, K.S.-H. Peh, B. Richardson, M. Richardson, M. Samways, F. Senbeta, T.B. Smith, T. Utteridge, J.E. Watkins, R. Wilson, S.E. Williams & C.D. Thomas. 2011. Global warming, elevational ranges and the vulnerability of tropical biota. Biological Conservation 144: 548-557.
Steudel, Y. Hautier, A. Hector & M. Kessler. 2011. Diverse marsh plant communities are more consistently productive across a range of different environmental conditions through functional complementarity. Journal of Applied Ecology 48: 1117–1124.
Stiegel, S., M. Kessler, D. Getto, J. Thonhofer & S.F. Siebert. 2011. Elevational patterns of species richness and density of rattan palms (Arecaceae: Calamoideae) in Central Sulawesi, Indonesia. Biodiversity and Conservation 20: 1987-2005.
Toivonen, J.M., M. Kessler, K. Ruokolainen & D. Hertel. 2011. Accessibility predicts structural variation of Andean Polylepis forests. Biodiversity and Conservation 20: 1789-1802.
Tscharntke, Y. Clough, S.A. Bhagwat, D. Buchori, H. Faust, D. Hertel, D. Hölscher, J. Juhrbandt, M. Kessler, I. Perfecto, C. Scherber, G. Schroth, E. Veldkamp & T.C. Wanger. 2011. Ecological principles of multifunctional shade-tree management in cacao agroforestry landscapes. Journal of Applied Ecology 48: 619-629.
Werner, F.A., N. Köster, M. Kessler & S.R. Gradstein. 2011. Is the resilience of epiphyte assemblages to human disturbance a function of local climate? Ecotropica 17: 15-20.

2010

Abrahamczyk, S. & M. Kessler. 2010. Hummingbird diversity, food niche characters, and assemblage composition along a latitudinal precipitation gradient in the Bolivian lowlands. Journal of Ornithology 151: 615-625.
Abrahamczyk, S. & M. Kessler. 2010. Ecological and distributional notes on hummingbirds from Bolivian lowland forests. Bulletin of the British Ornithological Club 130: 8-12.
Abrahamczyk, S., B. Steudel & M. Kessler. 2010. Sampling Hymenoptera along a precipitation gradient in tropical forests: The effectiveness of different coloured pan traps. Entomologia Experimentalis et Applicata 137: 262-268.
Acebey, A., T. Krömer, B.L. Maass & M. Kessler. 2010. Ecoregional distribution of potentially useful species of Araceae and Bromeliaceae as non-timber forest products in Bolivia. Biodiversity and Conservation 19:2553-2564. Online: DOI 10.1007/s10531-010-9859-0
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. ISBN: 978-3-642-00492-6.
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. ISBN: 978-3-642-00492-6.
Kessler, M. 2010. Biogeography of ferns. Pp. 22-60 in/Mehltreter, K., L.R. Walker & J. Sharpe (eds) Fern Ecology. Cambridge University Press. ISBN-13: 9780521728201.
Kessler, M., R. Jonas, D. Cicuzza, J. Kluge, K. Piatek, P. Naks & M. Lehnert. 2010. A survey of the mycorrhization of Southeast Asian ferns. Plant Biology 12: 788-793.
Kessler, M., R. Jonas, D. Strasberg & M. Lehnert. 2010. Mycorrhizal colonizations of ferns and lycophytes on the island of La Réunion in relation to nutrient availability. Basic and Applied Ecology 11: 329-336.
Mandl, N., M. Lehnert, M. Kessler & S.R. Gradstein. 2010. A comparison of alpha and beta diversity patterns of ferns, bryophytes and macrolichens in tropical montane forests of southern Ecuador. Biodiversity and Conservation 19: 2359-2369.
Pyritz, L., A.B.S. Büntge, S.K. Herzog & M. Kessler. 2010. Effects of habitat structure and fragmentation on diversity and abundance of primates in tropical deciduous forests in Bolivia. International Journal of Primatology. Online: DOI 10.1007/s10764-010-9429-z
Schmidt-Lebuhn, A.N., J. Fuchs, D. Hertel, H. Hirsch, J. Toivonen & M. Kessler. 2010. An Andean radiation: polyploidy in the tree genus Polylepis (Rosaceae, Sanguisorbeae). Plant Biology 12:917-926.
Soria-Auza, R.W., M. Kessler, K. Bach, P.M. Barajas-Barbosa, M. Lehnert, S.K. Herzog & J. Böhner. 2010. Impact of the quality of climate models for modelling species occurrences in countries with poor climatic documentation: a case study from Bolivia. Ecological Modelling 221: 1221-1229.

2009

Ballenthien, E., J.-H. Dudenhöffer & M. Kessler. 2009. A new species of Elaphoglossum sect. Lepidoglossa subsect. Muscosa (Dryopteridacae) with cristate spores. Brittonia 61: 46-49.
Herzog, S.K., S.R. Ewing, K. Evans, A. MacCormick, T. Valqui, R. Bryce, M. Kessler & R. MacLeod. 2009. Vocalisations, distribution, and ecology of the Cloud Forest Screech-Owl (Megascops marshalli). Wilson Journal of Ornithology 121: 240-252.
Kessler, M. 2009. The impact of population processes on patterns of species richness: Lessons from elevational gradients. Basic and Applied Ecology 10: 295-299.
Kessler, M., S. Abrahamczyk, M. Bos, D. Buchori, D.D. Putra, S.R. Gradstein, P. Höhn, J. Kluge, F. Orend, R. Pitopang, S. Saleh, C.H. Schulze, S.G. Sporn, I. Steffan-Dewenter, S.S. Tjitrosoedirdjo & T. Tscharntke. 2009. Alpha and beta diversity of plants and animals along a tropical land-use gradient. Ecological Applications 19: 2142-2156.
Kessler, M., T. Krömer, J. Kluge, D.N. Karger, A. Acebey, A. Hemp, S.K. Herzog & M. Lehnert. 2009. Elevational gradients of species richness derived from local field surveys versus ‘mining’ of archive data. Pp. 57-63 in Spehn, E.M. & C. Körner (eds) Data mining for global trends in mountain biodiversity. CRC Press/Taylor & Francis, Boca Raton.
Kessler, M. & M. Lehnert. 2009. Do ridge habitats contribute to pteridophyte diversity in tropical montane forests? A case study from southeastern Ecuador. Journal of Plant Research 122: 421-428.
Kessler, M. & M. Lehnert. 2009. Polystichum faucicola M. Kessler & Lehnert (Dryopteridaceae), a new fern species from Ecuador. Candollea 64: 123-126.
Kessler, M. & M. Lehnert. 2009. Are ridge habitats special sites for endemic plants in tropical montane rain forests? A case study of pteridophytes in Ecuador. Folia Geobotanica 44:387-398. DOI: 10.1007/s12224-009-9047-8.
Lehnert, M., M. Kessler, A.N. Schmidt-Lebuhn, S.A. Klimas, S.D. Fehlberg & T.A. Ranker. 2009. Phylogeny of the fern genus Melpomene (Polypodiaceae) inferred from morphology and chloroplast DNA analysis. Systematic Botany 34: 17-27.
Lehnert, M., I. Kottke, S. Setaro, L.F. Pazmiño, J.P. Suárez. & M. Kessler. 2009. Mycorrhizal associations in ferns from southern Ecuador. American Fern Journal 99: 292-306
Linares-Palomino, R., V. Cardona, E.I. Hennig, I. Hensen, D. Hoffmann, J. Lendzion, D. Soto, S.K. Herzog & M. Kessler. 2009. Non-woody life form contribution to vascular plant species richness in a tropical American forest. Plant Ecology 201: 87-99.
Linares-Palomino, R., V. Cardona, E.I. Hennig, I. Hensen, D. Hoffmann, J. Lendzion, D. Soto, S.K. Herzog & M. Kessler. 2009. Non-woody life form contribution to vascular plant species richness in a tropical American forest. Pp. 87-99 in van der Valk, A. (ed) Forest Ecology: Recent Advances in Plant Ecology. Springer, Berlin. (reprint of previous)
Linares-Palomino, R. & M. Kessler. 2009. The role of dispersal ability, climate and spatial separation in shaping biogeographic patterns of phylogenetically distant plant groups in seasonally dry Andean forests of Bolivia. Journal of Biogeography 36: 280-290.
Mandl, N., M. Kessler & S.R. Gradstein. 2009. Effects of environmental heterogeneity on species diversity and composition of terrestrial bryophyte assemblages in tropical montane forests of southern Ecuador. Plant Ecology and Diversity 2: 313-321.
Moguel V., A.L. & M. Kessler. 2009. Taxonomic notes on the fern species group around Terpsichore lanigera (Polypodiaceae), including the descriptions of three new species and one new variety. Phytotaxa 2: 35-45.
Sporn, S.G., M.M. Bos, M. Hoffstätter-Müncheberg, M. Kessler & S.R. Gradstein. 2009. Microclimate determines community composition but not richness of epiphytic understory bryophytes of rainforest and cacao agroforests in Indonesia. Functional Plant Biology 36: 171-179.
Sporn, S.G., M.M. Bos, M. Kessler & S.R. Gradstein. 2009. Vertical distribution of epiphytic bryophytes in an Indonesian rainforest. Biodiversity and Conservation 19: 745-760.
Will, B., T. Krömer, M. Kessler, D.N. Karger & H.E. Luther. 2009. Three new species and two new records of Greigia Regel (Bromeliaceae) from Bolivia. Selbyana 30: 91-100.

2008

Abrahamczyk, S., M. Kessler, D.D. Putra, M. Waltert, & T. Tscharntke. 2008. The value of differently managed cacao plantations for forest bird conservation in Sulawesi, Indonesia. Bird Conservation International 18: 349-362.
Gradstein, S.R., M. Kessler, M. Lehnert, M. Abiy, J. Homeier, N. Mandl, F. Makeschin, & M. Richter. 2008. Vegetation, climate and soil of the unique Purdiaea forest of southern Ecuador. Ecotropica 14: 15-26.
Herzog, S.K., B. Hennessey, M. Kessler & V.H. García-Solíz. 2008. Distribution, natural history and conservation status of two endemics of the Bolivian Yungas, Bolivian Recurvebill Simoxenops striatus and Yungas Antwren Myrmotherula grisea. Bird Conservation International 18: 331-348.
Herzog, S.K., M. Kessler & J.A. Balderrama. 2008. A new species tyrannulet (Tyrannidae: Phyllomyias) from Andean foothills in northwest Bolivia. The Auk 125: 265-276.
Kessler, M. 2008. A distinctive new species of Elaphoglossum (Dryopteridaceae) from lowland Bolivia. Botanical Journal of the Linnean Society 157: 165-167.
Kessler, M., I. Jimenez & T. Krömer. 2008. Diversity and endemism of six plant groups in the Cordillera Mosetenes, Cochabamba, Bolivia. Revista Boliviana de Ecología y Conservación Ambiental 23: 15-26.
Kessler, M. & J. Kluge. 2008. Patterns of diversity and endemism in tropical montane forests - from patterns to processes. Pp. 35-50 in Gradstein, S.R., J. Homeier & D. Gansert (eds) Tropical montane cloud forests - patterns and processes in a biodiversity hotspot. Biodiversity and Ecology Series 2, Univ. Göttingen, Göttingen.
Kessler, M. & A.R. Smith. 2008. New species of grammitid ferns (Polypodiaceae, Polypodiopsida) from Bolivia. Organisms, Diversity and Evolution 8: 167e1-e18.
Kluge, J., K. Bach & M. Kessler. 2008. Elevational distribution and zonation of tropical pteridophyte assemblages in Costa Rica. Basic and Applied Ecology 9: 35-43.
Kreier, H.-P., M. Rex, K. Weising, M. Kessler, A.R. Smith & H. Schneider. 2008. Inferring the diversification of the epiphytic fern genus Serpocaulon in South America using chloroplast sequences and AFLPs. Plant Systematics and Evolution 274: 1-16.
Krömer, T., I. Jimenez & M. Kessler. 2008. Diversity and vertical distribution patterns of vascular epiphytes in the Cordillera Mosetenes, Cochabamba, Bolivia. Revista Boliviana de Ecología y Conservación Ambiental 23: 27-38.
Krömer, T., M. Kessler, G. Lohaus & A.N. Schmidt-Lebuhn. 2008. Nectar sugar composition in relation to pollination syndromes in Bromeliaceae. Plant Biology 10: 502-511.
Lehnert, M., M. Kessler, L.I. Salazar, H. Navarrete, F.A. Werner & S.R. Gradstein. 2008. Pteridophyta checklist - Reserva Biológica San Francisco (Prov. Zamora-Chinchipe, S. Ecuador). Pp. 59-68 in Liede-Schumann, S. & S.W. Breckle (Eds) Provisional checklists of flora and fauna of the San Francisco valley and its surroundings (Reserva Biológica San Francisco / Prov. Zamora-Chinchipe, southern Ecuador). Ecotropical Monographs 4.
Linares-Palomino, R., V. Cardona, D. Soto, S.K. Herzog & M. Kessler. 2008. Tree community patterns along a deciduous to evergreen forest gradient in central Bolivia. Ecología en Bolivia 43: 1-20.
Lozada, T., G.H.J. de Koning, M. Kessler, A.-M. Klein & T. Tscharntke. 2008. Geographical range size of tropical plants influences their response to anthropogenic activities. Diversity and Distributions 14: 59-68.
Mandl, N., M. Lehnert, S.R. Gradstein, M. Kessler, M. Abiy & M. Richter. 2008. The unique Purdiaea nutans forest of southern Ecuador – Abiotic characteristics and cryptogamic diversity. Pp. 275-280 in Beck, E., J. Bendix, I. Kottke, F. Makeschin & R. Mosandl (Eds) Gradients in a tropical mountain ecosystem of Ecuador. Ecological Studies 198. Springer, Berlin.
Schmidt-Lebuhn, A.N., J. Fuchs & M. Kessler. 2008. Flow cytometric measurements do not reveal different ploidy levels in Minthostachys (Lamiaceae). Plant Systematics and Evolution. Early Online 1-6. doi: 10.1007/s00606-007-0613-3
Smith, A.R. & M. Kessler. Sixteen new species of Thelypteris (Thelypteridaceae) from Bolivia. Brittonia 60: 49-62.
Soria A., R.W. & M. Kessler. 2008. The influence of sampling intensity on the perception of the spatial distribution of tropical diversity and endemism: a case study of ferns from Bolivia. Diversity and Distributions 14: 123-130.
Sundue, M. &. M. Kessler. 2008. New species and new records of Terpsichore (Pteridophyta: Grammitidaceae) from Bolivia. Organisms, Diversity and Evolution 8: 163-164 + 163E1-E10.

2007

Acebey, A., M. Kessler & B.L. Maass. 2007. Potencial de aprovechamiento de Bromeliaceae y Araceae como recursos no maderables en el bosque montano húmedo del Parque Nacional Cotapata, Bolivia. Ecología en Bolivia 42: 4-22.
Bach, K., M. Kessler & S.R. Gradstein. 2007. A simulation approach to determine statistical significance of species turnover peaks in a species-rich tropical cloud forest. Diversity and Distributions 13: 863-870.
Döll, S., I. Hensen, M. Kessler & A.N. Schmidt-Lebuhn. 2007. Pollination ecology of Justicia rusbyi (Acanthaceae), a common understory plant in a tropical mountain forest in eastern Bolivia. Plant Species Biology 22: 211-216.
Gradstein, S.R., M. Kessler & R. Pitopang. 2007. Tree species diversity relative to human land uses in tropical rain forest margins in Central Sulawesi. Pp. 321-334 in Tscharntke, T., C. Leuschner, M. Zeller, E. Guhardja & A. Bidin (eds) The stability of tropical rainforest margins, linking ecological, economic and social constraints of land use and conservation. Springer, Berlin.
Jácome, J., M. Kessler & A.R. Smith. 2007. A human-induced skewed elevational frequency distribution of ferns in the Andes. Global Ecology and Biogeography 16: 313-318.
Kessler, M., J. Böhner & J. Kluge. 2007. Modelling tree height to assess climatic conditions at tree lines in the Bolivian Andes. Ecological Modelling 207: 223-233.
Kessler, M., Y. Siorak, M. Wunderlich & C. Wegner. 2007. Patterns of morphological leaf traits among pteridophytes along humidity and temperature gradients in the Bolivian Andes. Functional Plant Biology 34: 963-971.
Kessler, M. & A.R. Smith. 2007. Ten new species and other nomenclatural changes for ferns from Bolivia. Brittonia 59: 186-197.
Kessler, M., A.R. Smith & M. Lehnert. 2007. Ten new species and two new combinations of Blechnum (Blechnaceae, Pteridophyta) from Bolivia. American Fern Journal 97: 66-80.
Kluge, J. & M. Kessler. 2007. Morphological characteristics of fern assemblages along an elevational gradient: patterns and causes. Ecotropica 13: 27-44.
Krömer, T., M. Kessler & S.R. Gradstein. 2007. Vertical stratification of vascular epiphytes in submontane and montane forest of the Bolivian Andes: the importance of the understory. Plant Ecology 189: 261-278.
Schmidt-Lebuhn, A.N. & M. Kessler. 2007. Key2html: a tool for the quick conversion of dichotomous keys into HTML code. Taxon 56: 505-508.
Schmidt-Lebuhn, A.N. & M. Kessler. 2007. SYNOPTKEY - a PHP program for online presentation of synoptic determination keys. Schlechtendahlia 16: 101-105.
Schmidt-Lebuhn, A.N., M. Kessler & I. Hensen. 2007. Hummingbirds as drivers of plant speciation? Trends in Plant Science 12: 329-331.
Schmidt-Lebuhn, A.N., M. Kessler & P. Seltmann. 2007. Consequences of wind pollination in an Andean Rosaceae: genetic structure and patterns of species distribution in Polylepis Ruiz & Pav. Plant Systematics and Evolution 266: 91-103.
Schmidt-Lebuhn, A.N., M. Schwerdtfeger, M. Kessler & G. Lohaus. 2007. Phylogenetic constraints vs. ecology in the nectar composition of Acanthaceae. Flora 202: 62-69.
Soria A., R.W. & M. Kessler. 2007. The influence of sampling intensity on the perception of the spatial distribution of tropical diversity and endemism: a case study of ferns from Bolivia. Diversity and Distributions 14: 123-130.
Steffan-Dewenter, I., M. Kessler, J. Barkmann, M. Bos, D. Buchori, S. Erasmi, H. Faust, G. Gerold, K. Glenk, S.R. Gradstein, E. Guhardja, M. Harteveld, D. Hertel, P. Höhn, M. Kappas, S. Köhler, C. Leuschner, M. Maertens, R. Marggraf, S. Migge-Kleian, J. Mogea, R. Pitopang, M. Schaefer, S. Schwarze, S.G. Sporn, A. Steingrebe, S.S. Tjitrosoedirdjo, S. Tjitrosoemito, A. Twele, R. Weber, L. Woltmann, M. Zeller & T. Tscharntke. 2007. Tradeoffs between income, biodiversity, and ecosystem function during rainforest conversion and agroforestry intensification. Proceedings of the National Academy of Sciences, USA 104: 4973-4978.

2006

Acebey, A., M. Kessler, B.L. Maass & T. Krömer. 2006. Aráceas y bromeliáceas en bosques andinos de Bolivia. Pp. 434-448 in Moraes R., M., B. øllgaard, L.P. Kvist, F. Borchsenius & H. Balslev (eds) Botánica Económica de los Andes Centrales. Universidad Mayor de San Andrés, Plural Editores, La Paz.
Herzog, S.K. & M. Kessler. 2006. Local vs. regional control of species richness: a new approach to test for competitive exclusion at the community level. Global Ecology and Biogeography 15: 163-172.
Kessler, M. 2006. Bosques de Polylepis. Pp. 110-120 in Moraes R., M., B. øllgaard, L.P. Kvist, F. Borchsenius & H. Balslev (eds) Botánica Económica de los Andes Centrales. Universidad Mayor de San Andrés, Plural Editores, La Paz.
Kessler, M., L. Betz & S. Roedde. 2006. Red List of the Pteridophytes of Bolivia. Pdf made available on http://www.fernsofbolivia.uni-goettingen.de
Kessler, M. & J.T. Mickel. 2006. Nineteen new species of Elaphoglossum (Dryopteridaceae, Pteridophyta) from Bolivia. Brittonia 58: 93-118.
Kessler, M. & A.R. Smith. 2006. Megalastrum (Dryopteridaceae - Pteridophyta) in Bolivia, with descriptions of six new species. American Fern Journal 96: 31-44.
Kessler, M. & A.R. Smith. 2006. Five new species of Asplenium (Aspleniaceae) from Bolivia. Candollea 61: 305-313.
Kessler, M., A.R. Smith & M. Lehnert. 2006. Four new species of Selaginella (Selaginellaceae - Pteridophyta) from Bolivia. Edinburgh Journal of Botany 63: 85-93.
Kluge, J. & M. Kessler. 2006. Fern endemism and its correlates: contribution from an elevational transect in Costa Rica. Diversity and Distributions 12: 535-545.
Kluge, J., M. Kessler & R. Dunn. 2006. What drives elevational patterns of diversity? A test of geometric constraints, climate, and species pool effects for pteridophytes on an elevational gradient in Costa Rica. Global Ecology and Biogeography 15: 358-371.
Krömer, T. & M. Kessler. 2006. Filmy ferns (Hymenophyllaceae) as high-canopy epiphytes. Ecotropica 12: 57-63.
Krömer, T., M. Kessler & S.K. Herzog. 2006. Distribution and flowering ecology of bromeliads along two climatically contrasting elevational transects in the Bolivian Andes. Biotropica 38: 183-195.
Schmidt-Lebuhn, A.N., M. Kessler & M. Kumar. 2006. Promiscuity in the Andes: species relationships in Polylepis (Rosaceae, Sanguisorbeae) based on AFLP and morphology. Systematic Botany 31: 547-559.
Schmidt-Lebuhn, A.N., M. Kumar & M. Kessler. 2006. An assessment of the genetic population structure of two species of Polylepis Ruiz & Pav. (Rosaceae) in the Chilean Andes. Flora 201: 317-325.

2005

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.
Jácome, J. & M. Kessler. 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.
Jørgensen, P.M., M.J. Macía, A. Fuentes, S.G. Beck, M. Kessler, N. Paniagua, R. Seidel, C. Maldonado, A. Araujo-Murakami, L. Cayola, T.
Consiglio, T.J. Killeen, W.H. Cabrera, F. Bascopé, D. de la Quintana, T. Miranda, F. Canqui & V. Cardona-Peña. 2005. Lista anotada de las plantas vasculares registradas en la tregión de Madidi. Ecología en Bolivia 40: 70-169.
Kessler, M., P.J.A. Keßler, S.R. Gradstein, K. Bach, M. Schmull & R. Pitopang. 2005. Tree diversity in primary forest and different land use systems in Central Sulawesi, Indonesia. Biodiversity and Conservation 14: 547-560.
Kessler, M. & A.N. Schmidt-Lebuhn. 2005. Taxonomical and distributional notes on Polylepis (Rosaceae). Organisms, Diversity and Evolution 6: 67-70 + electr. Suppl. 1-10.
Kessler, M. & A.R. Smith. 2005. Seven new species, 13 new combinations, and one new name of Polypodiaceae (Pteridophyta) from Bolivia. Candollea 60: 271-288.
Kessler, M., A.R. Smith & M.A. Sundue. 2005. Three new species of Hymenophyllum (Hymenophyllaceae) from Bolivia. Blumea 50: 555-559.
Kessler, M., A.R. Smith & M.A. Sundue. 2005. Notes on the genus Polystichum (Dryopteridaceae, Pteridophyta) in Bolivia, with descriptions of ten new species. Brittonia 57: 205-227.
Kluge, J. & M. Kessler. 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., M. Kessler, S.R. Gradstein & A. Acebey. 2005. Diversity patterns of vascular epiphytes along an elevational gradient in the Andes. Journal of Biogeography 32: 1799-1810.
Schmidt-Lebuhn, A.N., M. Kessler & J. Müller. 2005. Evolutionary history of Suessenguthia (Acanthaceae) inferred from morphology, AFLP data and ITS rDNA sequences. Organisms, Diversity and Evolution 5: 1-13.
Smith, A.R., B. León, H. Tuomisto, H. van der Werff, R.C. Moran, M. Lehnert & M. Kessler. 2005. New records of pteridophytes for the Flora of Peru. Sida 21: 2321-2341.

2004

Fjeldså, J. & M. Kessler. 2004. Conservando la diversidad biológica de bosques de Polylepis en los Andes de Bolivia. Una contribución al manejo sustentable en los Andes. Fundación Amigos de la Naturaleza. Santa Cruz, Bolivia. 214 pp.
Kessler, M. 2004. Diversity and biogeography of Bolivian ferns at three spatial scales. Pp. 167-179 in Breckle, S.-W., B. Schweizer & A. Fangmeier (Eds) Results of worldwide ecological studies. Proceedings of the 2nd sympsoium of the A.F.W. Schimper-Foundation. Verlag G. Heimbach, Stuttgart.
Kessler, M. 2004. Die tropisch-alpine Stufe in Zentral- und Südamerika. Pp. 135-147 in Walter, H. & S.-W. Breckle (Eds) ökologie der Erde. Band 2: Spezielle ökologie der Tropen und Subtropen. Elsevier, Spektrum Akad. Verlag, München.
Kessler, M. Bolivianische Anden. 2004. Pp. 456-463 in Burga, C.A., F. Klötzli & G. Grabherr (Eds) Gebirge der Erde. Landschaft, Klima, Pflanzenwelt. Ulmer, Stuttgart.
Kessler, M. 2004. Pteridophytes. Pp. 98-101 in Ibisch, P.L. & G. Merida (Eds) Biodiversity: the richness of Bolivia. State of knowledge and conservation. Fundación Amigos de la Naturaleza. Santa Cruz, Bolivia.
Purcell, J., A. Brelsford & M. Kessler. 2004. The World's Highest Forest. American Scientist 92: 454-461.
Wesche, K. & M. Kessler. 2004. Die humide tropisch-alpine Stufe: weltweite Gemeinsamkeiten. Pp. 128-135 in Walter, H. & S.-W. Breckle (Eds) ökologie der Erde. Band 2: Spezielle ökologie der Tropen und Subtropen. Elsevier, Spektrum Akad. Verlag, München.

2003

Hennessey, A.B., S.K. Herzog, M. Kessler & D. Robinson. 2003. Avifauna of the Pilon Lajas Biosphere Reserve and Communal Lands, Bolivia. Bird Conservation International 13: 319-349.
Kessler, M. 2003a. Biodiversitätsforschung am Beispiel der Pflanzenwelt der bolivianischen Anden. In Gradstein, S.R., R. Willmann & G. Zizka (Eds) Biodiversitätsforschung: Die Entschlüsselung der Artenvielfalt in Raum und Zeit. Kleine Senckenberg Reihe 45: 127-136.
Kessler, M. 2003b. Pteridófitas. Pp. 100-103 in Ibisch, P.L. & G. Merida (Eds) Biodiversidad: la riqueza de Bolivia. Estado de conocimiento y conservacion. Fundación Amigos de la Naturaleza. Santa Cruz, Bolivia.
Wegner, C., M. Wunderlich, M. Kessler & M. Schawe. 2003. Foliar C/N ratio of ferns along an Andean elevational gradient. Biotropica 35: 486-490.

2002

Herzog, S.K. & M. Kessler. 2002. Composition and biogeography of dry forest bird communities in Bolivia. Journal für Ornithologie 143: 171-204.
Herzog, S.K., M. Kessler & T.M. Cahill. 2002. Evaluation of a new rapid assessment method for estimating avian diversity in tropical forests. The Auk 199: 749-769.
Kessler, M. 2002a. The elevational gradient of Andean plant endemism: varying influences of taxon-specific traits and topography at different taxonomic levels. Journal of Biogeography 29: 1159-1166.
Kessler, M. 2002b. Range size and its ecological correlates among the pteridophytes of Carrasco National Park, Bolivia. Global Ecology and Biogeography 11: 89-102.
Kessler, M. 2002c. Environmental patterns and ecological correlates of range-size among bromeliad communities of Andean forests in Bolivia. The Botanical Review 68: 100-127.
Kessler, M. 2002d. Species richness and ecophysiological type among Bolivian bromeliad communities. Biodiversity and Conservation 11: 987-1010.
Kessler, M. 2002e. Indikatorgruppen für vegetationskundliche Untersuchungen in Tropenwäldern: Möglichkeiten und Begrenzungen. Berichte der Reinhold-Tüxen-Gesellschaft 14: 93-102.
Kessler, M. 2002f. The "Polylepis problem": Where do we stand? Ecotropica 8: 97-110.
Kessler, M. 2002g. Plant species richness and endemism of upper montane forests and timberline habitats in the Bolivian Andes and their relationship to natural and human disturbances. Pp. 59-74 in C. Körner & E.M. Spehn (Eds) Mountain Biodiversity. A Global Assessment. Parthenon Publishing, London.
Kessler, M. & S.G. Beck. 2002. Bolivia. Pp. 581-622 in Kapelle, M. & A.D. Brown (Eds) Bosques nublados del neotrópico. IUCN - INBio - Fundación ANA. Instituto Nacional de Biodiversidad. Santo Domingo de Heredia, Costa Rica.

2001

Kessler, M. 2001 a. Maximum plant community endemism at intermediate intensities of anthropogenic disturbance in Bolivian montane forests. Conservation Biology 15: 634-641.
Kessler, M. 2001 b. Pteridophyte species richness in Andean forests in Bolivia. Biodiversity and Conservation 10: 1473-1495.
Kessler, M. 2001 c. Patterns of diversity and range size of selected plant groups along an elevational transect in the Bolivian Andes. Biodiversity and Conservation 10: 1897-1920.
Kessler, M. 2001 d. Diversidad y endemismo de grupos selectos de plantas en la Serranía de Pilón Lajas, depto. Beni, Bolivia. Revista de la Sociedad Boliviana de Botánica 3: 124-145.
Kessler, M. 2001 e. Diversität, Anpassungen und Endemismus bolivianischer Bromelien. Die Bromelie 2/2001: 36-44.
Kessler, M. & I. Hensen. 2001. Es hoy en dia la designación formal de unidades fitosociológicas de vegetación un método adecuado en Bolivia? Ecología en Bolivia 36: 71-72.
Kessler, M., S.K. Herzog, J. Fjeldså & K. Bach. 2001. Species richness and endemism of plant and bird communities along two gradients of elevation, humidity, and land use in the Bolivian Andes. Diversity and Distributions 7: 61-77.
Kessler, M., B.S. Parris & E. Kessler. 2001. A comparison of the tropical montane pteridophyte communities of Mount Kinabalu, Borneo, and Parque Nacional Carrasco, Bolivia. Journal of Biogeography 28: 611-622.
Kessler, M., A.R. Smith, A. Acebey & J. Gonzales. 2001. Registros adicionales de pteridófitos del Parque Nacional Carrasco, dpto. Cochabamba, Bolivia. Revista de la Socieded Boliviana de Botánica 3: 146-150.
Lehnert, M., M. Mönnich, T. Pleines, A. Schmidt-Lebuhn & M. Kessler. 2001. The Relictual Fern Genus Loxsomopsis. American Fern Journal 91: 13-24.

2000

Herzog, S.K. & M. Kessler. 2000. First records of Barred Parakeet Bolborhynchus lineola and Roraiman Flycatcher Myiophobus roraimae in Bolivia. Cotinga 14: 104-105.
Ibisch, P.L., M. Kessler, C. Nowicki & W. Barthlott. 2000. Ecology, biogeography and diversity of the Bolivian epiphytic cacti – with the description of two new taxa. Bradleya 18: 2-30.
Kessler, M. 2000 a. Altitudinal zonation of Andean cryptogam communities. Journal of Biogeography 27: 275-282.
Kessler, M. 2000 b. Elevational gradients in species richness and endemism of selected plant groups in the central Bolivian Andes. Plant Ecology 149: 181-193.
Kessler, M. 2000 c. Upslope-directed mass effect in palms along an Andean elevational gradient: a cause for high diversity at mid-elevations? Biotropica 32: 756-759.
Kessler, M. 2000 d. Observations on a human-induced fire a humid timberline in the Bolivian Andes. Ecotropica 6: 89-93.
Kessler, M., K. Bach, N. Helme, S.G. Beck & J. Gonzales. 2000. Floristic diversity of Andean dry forests in Bolivia - an overview. Pp. 219-234 in Breckle, S.-W., B. Schweizer & U. Arndt (Eds) Ergebnisse weltweiter ökologischer Forschung. Beiträge des 1. Symposiums der A.F.W. Schimper-Stiftung von H. und E. Walter, Hohenheim, Oktober 1998. Günter Heimbach Verlag, Stuttgart.
Kessler, M. & T. Krömer. 2000. Patterns and ecological correlates of pollination modes among bromeliad communities of Andean forests in Bolivia. Plant Biology 2: 659-669.
Kessler, M., T. Krömer & I. Jimenez. 2000. Inventario de grupos selectos de plantas en el Valle de Masicurí (Santa Cruz, Bolivia). Revista Boliviana de Ecología y Conservación Ambiental 8: 3-15.

1999

Bach, K., M. Kessler & J. Gonzales. 1999. Caracterización preliminar de los bosques deciduos andinos de Bolivia en base a grupos indicadores botánicos. Ecología en Bolivia 32: 7-22.
Fjeldså, J., M. Kessler & G. Swanson (Eds). 1999. Cocapata and Saila Pata: People and biodiversity in a Bolivian montane valley. DIVA Technical Report 7, Rønde, Denmark. 175 Pp.
Herzog, S.K., J. Fjeldså, M. Kessler & J.A. Balderrama. 1999. Ornithological surveys of the Cordillera Cocapata, depto. Cochabamba, Bolivia, a transition zone between humid and dry intermontane Andean habitats. Bulletin of the British Ornithological Club 119: 162-177.
Kessler, M. 1999 a. Plant species richness and endemism during natural landslide succession in a perhumid montane forest in the Bolivian Andes. Ecotropica 5: 123-136.
Kessler, M. 1999 b. Bromelien einer Reise nach Südwestekuador. Die Bromelie 2/1999: 50-56.
Kessler, M. & K. Bach. 1999. Using indicator families for vegetation classification in species-rich Neotropical forests. Phytocoenologia 29: 485-502.
Kessler, M. & T. Croat. 1999. State of knowledge of Bolivian Araceae. Selbyana 20: 224-234.
Kessler, M. & N. Helme. 1999. Floristic diversity and phytogeography of the central Tuichi Valley, an isolated dry forest locality in the Bolivian Andes. Candollea 54: 341-366.
Kessler, M., P.L. Ibisch & E. Gross. 1999. Fosterella cotacajensis, und nueva especie de Bromeliaceae de los valles secos de Bolivia. Revista de la Socieded Boliviana de Botánica 2: 111-116.
Kessler, M., A.R. Smith & J. Gonzales. 1999. Inventario de pteridófitos en una transecta altitudinal del Parque Nacional Carrasco, dpto. Cochabamba, Bolivia. Revista de la Socieded Boliviana de Botánica 2: 227-250.
Krömer, T., M. Kessler, B.K. Holst, H.E. Luther, E. Gouda, W. Till, P.L. Ibisch & R. Vásquez. 1999. Checklist of Bolivian Bromeliaceae with notes on species distribution and levels of endemism. Selbyana 20: 201-223.
Smith, A.R., M. Kessler & J. Gonzales. 1999. New records of pteridophytes from Bolivia. American Fern Journal 89: 244-266.

1998

Herzog, S.K. & M. Kessler. 1998. In search of the last Horned Curassows Pauxi unicornis in Bolivia. Cotinga 10: 46-48.
Kessler, M. 1998 a. Forgotten forests of the high Andes. Plant Talk 15: 25-28.
Kessler, M. 1998 b. Land use, economy and the conservation of biodiversity of high-Andean forests in Bolivia. Pp. 339-351 in Barthlott, W. & M. Winiger (Eds) Biodiversity. A Challenge for Development Research and Policy. Springer, Berlin.
Kessler, M. & S.K. Herzog. 1998. Conservation status in Bolivia of timberline habitats, elfin forest and their birds. Cotinga 10: 50-54.
Kessler, M. & S. Hohnwald. 1998. Bodentemperaturen innerhalb und außerhalb bewaldeter und unbewaldeter Blockhalden in den bolivianischen Hochanden. Ein Test der Hypothese von Walter und Medina (1967). Erdkunde 52: 54-62.
Maijer, S., S.K. Herzog, M. Kessler, J. Fjeldså, & M. Friggens. 1998. A distinctive new subspecies of Pyrrhura molinae from Bolivia. Ornitologia Neotropical 9: 185-192.

1997

Best, B. & M. Kessler. 1997. Ecuador's physical setting. Pp. 28-42 in Best, B., Heijnen, T. & R. Williams (Eds) A Guide to Bird-watching in Ecuador and the Galápagos Islands. Biosphere Publications, Leeds, U.K.
Herzog, S.K. & M. Kessler. 1997. Dieta de una colonia de guácharos (Steatornis caripensis) en el Parque Nacional Carrasco, Cochabamba, Bolivia. Ecología en Bolivia 30: 69-73.
Herzog, S.K., M. Kessler, S. Maijer & S. Hohnwald. 1997. Distributional notes on birds of Andean dry forests in Bolivia. Bulletin of the British Ornithological Club 117: 223-235.
Perry, A., M. Kessler & N. Helme. 1997. Birds of the central Río Tuichi valley, with emphasis on dry forests, Parque Nacional Madidi, depto. La Paz, Bolivia. Pp. 557-576 in Remsen, J.V., Jr. (Ed.) Studies in Neotropical Ornithology Honoring Ted Parker. Ornithological Monographs 48, Washington.

1996

Fjeldså, J. & M. Kessler. 1996. Conserving the Biological Diversity of Polylepis Woodlands of the Highland of Peru and Bolivia. A Contribution to Sustainable Natural Ressource Management in the Andes. NORDECO, Copenhagen, 250 pp.

1995

Best, B. & M. Kessler. 1995. Biodiversity and Conservation in Tumbesian Ecuador and Peru. Cambridge, U.K.: BirdLife International. 218 pp.
Kessler, M. 1995 a. Polylepis-Wälder Boliviens: Taxa, ökologie, Verbreitung und Geschichte. Dissertationes Botanicae 246, J. Cramer, Berlin. 303 pp.
Kessler, M. 1995 b. Present and potential distribution of Polylepis (Rosaceae) forests in Bolivia. Pp. 281-294 in Churchill, S.P., H. Balslev, E. Forero & J.L. Luteyn (Eds) Biodiversity and conservation of neotropical montane forests. New York Botanical Garden, Bronx.
Kessler, M. 1995 c. Revalidación de Polylepis rugulosa Bitter. Gayana Botanica 52: 49-51.
Kessler, M. 1995 d. The genus Polylepis (Rosaceae) in Bolivia. Candollea 42: 31-71.
Parker, T.A., T.S. Schulenberg, M. Kessler & W. Wust. 1995. Natural history and conservation of some endemic birds from north-west Peru. Bird Conservation International 5: 201-231.

1993

Kessler, M. & P. Driesch. 1993. Causas e historia de la destrucción de bosques altoandinos en Bolivia. Ecología en Bolivia 21: 1-18.

1992

Kessler, M. 1992. The vegetation of south-west Ecuador. Pp. 79-99 in B.J. Best (Ed.). The threatened forests of south-west Ecuador. Biosphere Publications, Leeds, U.K.