Gregor Kozlowski

Direktor & Titularprofessor

 +41 26 300 8842

Direktor des Botanischen Gartens

Mathematisch-Naturwissenschaftliches und Medizinisches Dekanat

PER 04 bu. 01.106
Rue A.-Gockel 3
1700 Fribourg
PER 04, 01.106

Departement für Biologie

PER 04 bu. 01.106
Rue A.-Gockel 3
1700 Fribourg
PER 04, 01.106

Departement für Biologie

PER 04 bu. 01.106
Rue A.-Gockel 3
1700 Fribourg
PER 04, 01.106

Departement für Geowissenschaften

PER 04 bu. 01.106
Rue A.-Gockel 3
1700 Fribourg
PER 04, 01.106

Forschung und Publikationen

  • Publikationsliste

    Abukrees F, Kozlowski G, Meade CV. 2018. Characterization of diverse ploidy in the Arctic-Alpine Arenaria ciliata species complex (Caryophyllaceae) using shoot meristem staining and flow cytometry analysis of archived frozen tissue. Plant Species Biology 33: 144-152.

    Yousefzadeh H, Colagar AH, Yousefi E, Badbar M, Kozlowski G. 2018. Phylogenetic relationship and genetic differentiation of Populus caspica and P. alba using cpDNA and ITS noncoding sequences. Journal of Forestry Research (in print).

    Garfi G, Pasta S, Fazan LKozlowski G. 2017. Zelkova sicula. The IUCN Red List of Threatened Species 2017. e.T61678A86134112.

    Garfi G, Pasta S, Fazan L, Kozlowski G. 2017. Zelkova sicula. In: Pasta S, Perez-Graber A, Fazan L, Montmollin B. de. (Editors) 2017. The Top 50 Mediterranean Island Plants. UPDATE 2017. IUCN/SSC/Mediterranean Plant Specialist Group. Neuchâtel (Switzerland). (

    Fazan L, Guillet S, Corona Ch, Kozlowski G, Stoffel M. 2017. Imprisoned in the Cretan mountains: How relict Zelkova abelicea (Ulmaceae) trees cope with Mediterranean climate. Science of the Total Environment 599-600: 797-805.

    D'Andrea L, Meirmans P, Van de Wiel C, Guadagnuolo R, Van Treuren R, Kozlowski G, Den Nijs H, Felber F. 2017. Molecular biogeography of prickly lettuce (Lactuca serriola L.) shows traces of recent range expansion. Journal of Heredity 108: 194-206.

    Mostajeran F, Yousefzadeh H, Davitashvili N, Kozlowski G, Akbarinia M. 2017. Phylogenetic relationships of Pterocarya (Juglandaceae) with an emphasis on the taxonomic status of Iranian populations using ITS and trnH-psbA sequence data. Plant Biosystems 151: 1012-1021.

    Arrigo N, Bétrisey S, L. Graf, J. Bilat, E. Gerber, G. Kozlowski. 2016. Hybridization as a threat in climate relict Nuphar pumila (Nymphaeaceae). Biodiversity and Conservation 25: 1863-1877.

    Frey D, Arrigo N, Granereau G, Sarr A, Felber F, Kozlowski G. 2016. Parallel declines in species and genetic diversity driven by anthropogenic disturbance: a multispecies approach in a French Atlantic dune system. Evolutionary Applications 9: 479-488.

    Fragnière Y, Bétrisey S, Cardinaux L, Kozlowski G. 2015. Fighting their last stand? A global analysis of the distribution and conservation status of gymnosperms. Journal of Biogeography 42: 809-820.

    Jasinska A, Rucinska B, Kozlowski G, Bétrisey S, Safarov H, Boratynska K, Boratynski A. 2015. Morphological differentiation of leaves in the relict tree Zelkova carpinifolia leaves (Ulmaceae). Dendrobiology 74: 109-122.

    Maharramova E, Safarov H, Kozlowski G, Borsch T, Muller L. 2015. Analysis of nuclear microsatellites reveals limited differentiation between Colchic and Hyrcanian populations of the wind-pollinated relic tree Zelkova carpinifolia (Ulmaceae). American Journal of Botany 102: 119-128.

    Kozlowski G, Stoffel M, Bétrisey S, Cardinaux L, Mota M. 2014. Hydrophoby of gymnosperms: myth or reality? Ecohydrology 8: 105-112.

    Christe C, Kozlowski G, Frey D, Fazan L, Bétrisey S, Pirintsos S, Gratzfeld J, Naciri Y. 2014. Do living ex situ collections capture the genetic variation of wild populations? A molecular analysis of two relict tree species Zelkova abelicea and Z. carpinifolia. Biodiversity and Conservation 23: 2945-2959.

    Christe C, Kozlowski G, Frey D, Bétrisey S, Maharramova E, Garfi G, Pirintsos S, Naciri Y. 2014. Footprints of past intensive diversification and structuring for the genus Zelkova (Ulmaceae) in southwest Eurasia. Journal of Biogeography 41: 1081-1093.

    Bosque M, Adamogianni M-I, Bariotakis M, Fazan L, Stoffel M, Garfi G, Gratzfeld J, Kozlowski G, Pirintsos S. 2014. Fine-scale spatial patterns of the Tertiary relict Zelkova abelicea (Ulmaceae) indicate possible processes contributing to its persistence to climate changes. Regional Environmental Change 14: 835-849.

    Kozlowski G, Frey D, Fazan L, Egli B, Bétrisey S, Gratzfeld J, Garfi G, Pirintsos S. 2014. Tertiary relict tree Zelkova abelicea Ulmaecae): distribution, population structure and conservation status. Oryx 48: 80-87.

    Berthouzoz M, Maendly S, Bétrisey S, Mangili S, Prunier P, Lexer Ch, Kozlowski G. 2013. Some like it cold: distribution, ecology and phylogeny of Arenaria bernensis FAVARGER (Caryophyllaceae) from the western Prealps in Switzerland. Alpine Botany 123: 65-75.

    Kozlowski G, Bondallaz L. 2013. Urban aquatic ecosystems: habitat loss and depletion of native macrophyte diversity during the 20th century. Urban Ecosystems 16: 543-551.

    Kozlowski G, Frey D, Fazan L, Egli B, Pirintsos S. 2012. Zelkova abelicea. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2.

    Frey D, Kozlowski G, Granereau G, Löwy M. 2012. Alyssum loiseleurii P. Fourn. subsp. loiseleurii (Brassicaceae), a threatened narrow endemic of the French Atlantic coast. Bulletin de la Société Linnéenne de Bordeaux 147: 285-300.

    Fazan L, Stoffel M, Frey D, Pirintsos S, Kozlowski G. 2012. Small does not mean young: age estimation of severely browsed trees in anthropogenic Mediterranean landscapes. Biological Conservation 153: 97–100.

    Kozlowski G, Gibbs D, Fun H, Frey D, Gratzfeld J. 2012. Conservation of threatened relict trees through living ex situ collections: lessons from the global survey of the genus Zelkova (Ulmaceae). Biodiversity and Conservation 21: 671-685.

    Frey D, Haag C, Kozlowski G, Tison J-M, Mraz P. 2012. High genetic and morphological diversity despite range contraction in the diploid Hieracium eriophorum (Asteraceae) endemic to the coastal sand dunes of south-weste France. Botanical Journal of the Linnean Society of London 169: 365-377.

    Arrigo N, Buerki S, Sarr A, Guadagnuolo R, Kozlowski G. 2011. Phylogeography of the monocot genus Baldellia (Alismataceae): Mediterranean refugia, suture zones and implications for conservation. Molecular Phylogenetics and Evolution 58: 36-45.

    Rocha J, Crespi AL, Garcia-Barussio M, Kozlowski G, Almeida R, Honrado J, Talavera S, Amich F. 2012. Morpho-environmental characterization of the genus Baldellia Parl. (Alismataceae) in the Iberian Peninsula, Balearic Islands and North Morocco. Plant Biosystems 146: 334-344.

    Kozlowski G, Vallelian S. 2009. Eutrophication and endangered aquatic plants: An experimental study on Baldellia ranunculoides (L.) Parl. (Alismataceae). Hydrobiologia 635: 181-187.

    Kozlowski G, Rion S, Python A, Riedo S. 2009. Global conservation status assessment of the threatened aquatic genus Baldellia (Alismataceae): challenges and limitations. Biodiversity and Conservation 18: 2307-2325.

    Kozlowski G, Bürcher S, Fleury M, Huber F. 2009. The Atlantic elements in the Swiss flora - distribution, diversity, and conservation status. Biodiversity and Conservation 18: 649-662.

    D’Andrea L, Broennimann O, Kozlowski G, Guisan A, Morin X, Keller-Senften J, Felber F. 2009. Climate change, anthropogenic disturbance and the northward expansion of (Lactuca serriola) (Asteraceae). Journal of Biogeography 36: 1573-1587.

    Kozlowski G, Matthies D. 2009. Habitat differentiation in the aquatic plant genus Baldellia sp. (Alismataceae): implications for conservation. Aquatic Botany 90: 110-118.

    Kozlowski G, Jones RA, Vuille-Nicholls F-L. 2008. Biological Flora of the Central Europe: Baldellia ranunculoides (Alismataceae). Perspectives in Plant Ecology, Evolution and Systematics 10: 109-142.

    Kozlowski G. 2008. Is the global conservation status assessment of a threatened taxon a utopia? Biodiversity and Conservation 17: 445-448.

    Kozlowski G. 2008. Urban biodiversity: Search for new concepts and approaches for better understanding of urban ecosystems. In: Campagne-ville - Les pas de deux. Enjeux et opportunités des recompositions territoriales. Eds: Weber LL, Deschenaux C, Tranda-Pittion M. Presses polytechniques et universitaires romandes, Lausanne. (book chapter) pp. 277-286.

    Felber F, Kozlowski G, Arrigo N, Guadagnuolo R. 2007. Genetic and ecological consequences of transgene flow to the wild flora. Advances in Biochemical Engineering / Biotechnology 107: 173-205.

    Kozlowski G, Eggenberg S. 2005. Vorkommen der Kleinen Teichrose Nuphar pumila und des Hybrids N. x intermedia in der Schweiz. Botanica Helvetica 115: 125-136.

    Landergott U, Kozlowski G, Schneller J, Holderegger R. 2003. The importance of recent population history for understanding genetic diversity in threatened species, with special reference to Dryopteris cristata. Fern Gazette 17: 37-49.

    Landergott U, Holderegger R, Kozlowski G, Schneller J. 2001. Historical bottlenecks decrease genetic diversity in natural populations of Dryopteris cristata. Heredity 87: 344-355.

    Landergott U, Holderegger R, Schneller J, Kozlowski G. 2000. Veränderungen der Verbreitung und Populationsgeschichte des seltenen Kammfarns (Dryopteris cristata (L.) A. Gray) in der Schweiz. Botanica Helvetica 110: 151-170.

    Kozlowski G, Métraux J-P. 1999. Antifungal properties of Norway spruce (Picea abies (L.) Karst.) seedlings against Pythium ultimum Trow. Physiological and Molecular Plant Pathology 55: 53-58.

    Kozlowski G, Buchala A, Métraux J-P. 1999. Methyl jasmonate protects Norway spruce (Picea abies (L.) Karst.) seedlings homogenates. Acta Soc. Bot. Pol. 68: 191-195.

    Kozlowski G, Métraux J-P. 1998. Infection of Norway spruce (Picea abies (L.) Karst.) with Pythium irregulare Buism. and Pythium ultimum Trow.: histological and biochemical response. European Journal of Plant Pathology 104: 225-234.

    Wesoly, W, Lassocinski W, Kozlowski G, 1996. Micropropagation of aspen Populaus tremula and clones of Populus tremula x Populus tremuloides. PTPN 82: 157-163.