Inhaltspezifische Aktionen


  • Kellner, A.; Ritz, C.M.; Schlittenhardt, P.; Hellwig, F.H. (online first). Genetic differentiation in the genus Lithops L. (Ruschioideae, Aizoaceae) reveals a high level of convergent evolution and reflects geographic distribution. Plant Biol. doi:10.1111/j.1438-8677.2010.00354.x 
  • Zimmermann, H.; Ritz, C.M.; Hirsch, H.; Renison, D.; Wesche, K.; Hensen, I. (2010): Highly reduced genetic diversity of Rosa rubiginosa L. populations in the invasive range. Int. J. Plant Sci. 171(4): 435-446
  • Zimmermann, N.F.A.; Ritz, C.M.; Hellwig, F.H. (2010) Further support for the phylogenetic relationships within Euphorbia L. (Euphorbiaceae) from nrITS and trnL-trnF IGS sequence data. Plant Syst. Evol. 286:39-58
  • Kohnen, A.; Brandl, R.; Fricke, R.; Gallenmüller, F.; Klinge, K.; Köhnen, I.; Maier, W.; Oberwinkler, F.; Ritz, C.M.; Speck, T.; Theissen, G.; Tscharntke, T.; Vaupel, A.; Wissemann, V. (in press) Radiation, biological diversity and host-parasite interactions in wildroses, rust fungi and insects. In Glaubrecht, M. & Schneider H. (eds.) Evolution in action. Springer, Wien
  • Uhlemann, I.; Ritz, C.M.; Peňailillo, P. (2009) Relationships in Taraxacum section Artica s.l. (Asteraceae, Chichorieae) and allies based on nrITS. Feddes Repertorium 120 (1-2): 35-47
  • Koopman, W.J.M.; Wissemann, V.; de Cock, K.; van Huylenbroeck, J.; de Riek, J.; Sabatino, G.J.H.; Visser, D.; Vosman, B.; Ritz, C.M.; Maes, B.; Werlemark, G.; Nybom, H.; Debener, T.; Linde, M.; Smulders M.J.M. (2008) AFLP markers as a tool to reconstruct complex relationships: A case study in Rosa (Rosaceae) Am. J. Bot. 95: 353-366
  • Ritz, C.M.; Martins, L.; Mecklenburg, R.; Goremykin, V.; Hellwig, F.H. (2007) The molecular phylogeny of Rebutia (Cactaceae) and its allies demonstrates the influence of paleogeography on the evolution of South American mountain cacti. Am. J. Bot. 94 (8):1321-1332
  • Wissemann, V. & Ritz, C.M. (2007) Patterns and processes in the genus Rosa (Rosaceae) and their implications for host-parasite co-evolution. Plant Syst. Evol. 266 (1-2) 79-89
  • Wissemann, V.; Gallenmueller, F.; Ritz, C.M.; Steinbrecher, T.; Speck, T. (2006) Inheritance of growth form and mechanical characters in reciprocal polyploid hybrids of Rosa section Caninae – implications for the ecological niche differentiation and radiation process of hybrid offspring. Trees – Structure and Function 20 (3): 340-347
  • Ritz, C.M.; Maier, W.F.A.; Oberwinkler, F.; Wissemann, V. (2005) Different evolutionary histories of two Phragmidium species infecting the same dogrose hosts. Mycol. Res. 109 (5) 603-609
  • Ritz, C.M.; Schmuths H.; Wissemann, V. (2005) Evolution by reticulation: European dogroses originated by multiple hybridization across the genus Rosa J. Hered. 96 (1): 4-14
  • Wissemann, V. & Ritz, C.M. (2005) The genus Rosa (Rosoideae, Rosaceae) revisited: molecular analysis of nrITS-1 and atpB-rbcL intergenic spacer (IGS) versus conventional taxonomy. Bot. J. Linn. Soc. 147: 275-290
  • Ritz, C.M. & Wissemann, V. (2003) Male correlated non-matroclinal character inheritance in reciprocal hybrids of Rosa section Caninae (DC) Ser. (Rosaceae). Plant Syst. Evol. 241 (3-4): 213-221
  • Ritz, C.M.; Zimmermann, N.F.A.; Hellwig, F.H. (2003) Phylogeny of subsect. Meleuphorbia (A.Berger) Pax & Hoffm. (Euphorbia L.) reflects the climatic regime in South Africa. Plant Syst. Evol. 241 (3-4): 245-259