Phanerogams II

Team

Head of Section

Dr. Christiane Ritz
Prof. Dr. Christiane Ritz
Head of Botany division and head of section phanerogams II

2023

Honorary Professorship at TU Dresden (IHI Zittau)

Full membership at German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig

2020
Habilitation „Polyploidy and hybridization in the genus Rosa L. (Rosaceae).“ TU Dresden, Germany.   2010 onwards
Head of Phanerogams II; Senckenberg Museum of Natural History Görlitz, Germany   2009 – 2010
Research Associate, Department of Systematic Botany, Justus-Liebig-University Gießen, Germany   2005
PhD: „Evolution of dogroses ( Rosa L. sect. Caninae (DC.) Ser.), Institute of Systematic Botany, Friedrich-Schiller-University Jena, Germany   2002-2008
Research Associate, Institute of Systematic Botany, Friedrich-Schiller-University Jena, Germany    2002
Diploma thesis: Molecular, morphological and anatomical investigations on the phylogeny of the Meleuphorbia-complex of the genus Euphorbia L., Institute of Systematic Botany, Friedrich-Schiller-University Jena, Germany   1996 – 2002
studies in Biology (Botany, Genetics, Soil Sciences) at TU Dresden, Germany

2024

Kalfusova, R., Herkotz, V., Kumke, K., Houben, A., Kovařík, A., Ritz, C.M., Lunerová, J. (2024) Epigenetic histone H3 phosphorylation marks discriminate between univalent and bivalent-forming chromosomes during the canina asymmetrical meiosis. Annals of Botany. https://doi.org/10.1093/aob/mcad198

Mata-Sucre, Y., Parteka, L.M., Ritz, C.M., Gatica-Arias, A., Felix, L. P., Thomas, W.W., Souza, A.G., Vanzela A.L.L., Pedrosa-Harand, A., Marques, A. (2024) Oligo-barcode illuminates holocentric karyotype evolution in Rhynchospora (Cyperaceae). Frontiers in Plant Sciences 15. https://doi.org/10.3389/fpls.2024.1330927

2023

Wesenberg, J., Gebauer, P., Wesche, K., Ritz, C.M. (2023) Hans-Werner Otto zum 90. Geburtstag. Berichte der Naturforschenden Gesellschaft der Oberlausitz 31: 189-192.

Baber, K., Ahlborn, J., Buschmann, S., Mitschke, M., Schröter, A., Düker, C., Peper, J., Ritz, C.M., Wesche, K. (2023) Zwischen Mooren, Sandheiden, Kiefernwäldern und Teichen – Das MoSaiKTeiL-Projekt im Hotspot „Oberlausitzer Heide- und Teichlandschaft“. Berichte der Naturforschenden Gesellschaft der Oberlausitz 31: 177-186.

Reichel K., Herklotz V., Smolka A., Nybom H., Kellner A., De Riek J., Smulders M.J.A., Wissemann V., CM R. (2023) Untangling the hedge: genetic diversity in clonally and sexually transmitted genomes of European wild roses, Rosa L. PLoS ONE, 18 (10), e0292634.

Ritz, C.M. (2023) Rosa L. in: Schmidt, P.A. & Schulz, B. (eds.) Fitschen Gehölzflora. 14th ed. Quelle & Meyer, Wiebelsheim

Gregor, T., Dressler, S., Klemm, S., Ritz, C.M., Schmidt, M., Wesche, K., Wesenberg, J., Zizka, G., Paule, J. (2023) The data portal “Chromosome numbers of the Flora of Germany”: progress after five years, recent developments, and future strategies. In Walker, J.M. Methods in Molecular Biology. Springer, Heidelberg.

Ritz C.M., Ulrich D., Buschmann S., Olbricht K. (2023) Variation in Volatile Organic Compounds in native, synanthropic accessions and cultivars of the musk strawberry (Fragaria moschata Duchesne ex Weston). PLoS ONE 18(8): e0289468. https://doi.org/10.1371/journal.pone.0289468

Makuch, W.A., Wanke, S., Ditsch, B., Richter F., Herklotz, V., Ahlborn, J., Ritz, C. M. (2023) Population genetics and plant growth experiments as prerequisite for conservation measures of the rare European aquatic plant Luronium natans (Alismataceae). Front. Plant Sci. – Marine and Freshwater Plants 13. https://doi.org/10.3389/fpls.2022.1069842

2022

Oyundelger, K., Munkhzul, O., Ritz, C.M., Wesche, K. (2022) Long-term grazing exclusion effects population genetics and functional traits of Artemisia frigida in Mongolia. Journal of Arid Environments 209: 104900.

Müller, F., Ritz, C.M., Welk, E., Aas, G., Dillenberger, M.S., Gebauer, S., Kropf, M., Wesche, K. (2022) Erläuterungen und Kommentare zu Neuerungen, Abweichungen von der Standardliste der Gefäßpflanzen Deutschlands sowie zu Gattungs- und Artkonzepten in der Rothmaler Exkursionsflora, Auflage 22. Schlechtendalia, 22: 180-219.

Reise, H., Ritz, C.M., Ritz, M., Baber, K. (2022) Früh übt sich. Natur, Forschung, Museum − Das Senckenberg Wissenschaftsmagazin 152 (4-6): 83-85.

Hassler, M., Ritz, C.M. (2022) Gattung Rosa. In Hassler, M., Muer, T. Flora Germanica. Verlag Regionalkultur. Heidelberg: 739-749.

Smolka, A., Rätzel, S., Herklotz, V., Ritz, C.M. (2022) Zytologische und genetische Untersuchungen zu Viola epipsila, V. palustris und ihrer Hybride V. ×fennica. Kochia 15: 45-55.

Wesche, K., Gebauer, P., Otte, V., Ritz, C.M., Brozio, C., Hoffmann, C., , Schurig, A., (2022) 30 Jahre Gesellschaftsarbeit der Naturforschenden Gesellschaft der Oberlausitz: Botanik, 1990 – 2021. Ber. Naturf. Ges. Oberlausitz 30: 241-248

Ritz, C.M. (2022) Böhnert, W., Kleinknecht, U., Butler, K., Richter, F., Schmidt, P.A., Winter, S. (2021) Verzeichnis und Rote Liste der Pflanzengesellschaften Sachsens. Sächs. Landesamt für Umwelt, Landwirtschaft und Geologie. Ber. Naturf. Ges. Oberlausitz 30: 219

Ritz, C.M. (2022) Laudatio zur Ehrenmitgliedschaft von Dr. Siegfried Bräutigam. Sächs. Flor. Mitt. 24:105-107.
Dedek, M., Wesche, K., Ritz, C.M., Zinke, O. Brozio, C. (2022) Charakterisierung von Standorten ausgewählter Wintergrün-Arten in der Oberlausitz. Ber. Naturf. Ges. Oberlausitz 30: 57-76.

2021

Müller, F., Ritz, C.M., Welk, E., Wesche, K. (2021). Rothmaler Exkursionsflora von Deutschland. Grundband. 22nd ed. Springer Spektrum, Heidelberg.

Herklotz, V., Kovařík, A., Wissemann, V., Lunerová, J., Vozárová, R., Buschmann, S., Olbricht, K., Groth, M., Ritz, C.M. (2021) Power and weakness of repetition – evaluating the phylogenetic signal from repeatomes in the family Rosaceae with two case studies from genera prone to polyploidy and hybridization (Rosa and Fragaria). Frontiers in Plant Science

Oyundelger K., Harpke, D., Herklotz; V., Troeva, E., Zheng, Z., Li, Z., Oyuntsetseg, B., Wagner, V., Wesche, K., Ritz, C.M. (2021) Phylogeography of Artemisia frigida (Anthemideae, Asteraceae) based on genotyping-by-sequencing and plastid DNA data:Migration through Beringia. Journal of Evolutionary Biology: 00: 1-17. https://onlinelibrary.wiley.com/doi/epdf/10.1111/jeb.13960

Olbricht K., Ulrich D., Waurich, V., Wagner H., Bicking D., Gerischer U., Drewes-Alvarez, R., Gong, X., Parniske M., Gompel N., Bräcker L., Bölke N., Lesemann, S., Buschmann, S., Ritz C.M., Gruner P., Pinker I., (2021). Breeding potential of underutilized Fragaria species. Acta Horticulturae. 139-146. 10.17660/ActaHortic.2021.1309.20.

Khurelpurev, O., Herklotz, V., Harpke, D., Batlai, O., Wesche, K., Ritz, C.M. (2021) Contrasting effects of local environment and grazing pressure on genetic diversity and structure of Artemisia frigida. Conservation Genetics. https://doi.org/10.1007/s10592-021-01375-w.

Shukherdorj Baasanmunkh, Batlai Oyuntsetseg, Chuluunkhuyag Oyundari, Khurelpurev Oyundelger, Magsar Urgamal, Davaajav Darikhand, Nergui Soninkhishig, Dashzeveg Nyambayar, Khurelbaatar Khaliunaa, Zagarjav Tsegmed, Kechaykin, A. A., Shmakov, A. I., Erst, A. S., Friesen, N., Ritz, C. M., Wesche, K., Hyeok Jae Choi. (2021) The vascular plant diversity of Dzungarian Gobi in western Mongolia, with an annotated checklist. – Phytotaxa 501: 1-55.

Lorenz, J., Heinrich, R., Schneider, A., Schwager, M., Herklotz, V., Wesche, K., Ritz, C.M. (2021) Invasive populations of Spiraea tomentosa (Rosaceae) are genetically diverse but shrinking under increasing canopy cover. Plant Biology. https://doi.org/10.1111/plb.13275

Vozárová, R., Herklotz, V., Kovařík, A., Tynkevich, Y.O., Volkov, R. A., Ritz, C.M., Lunerová. J. (2021) Ancient origin of two 5S rDNA families dominating in the genus Rosa and their behaviour in the canina-type meiosis. Frontiers in Plant Sciences 12: Article 643548.

Buschmann, S., Schriefer, J., Bölke, N., Herklotz, V., Neinhuis, C., Olbricht, K., Ritz, C.M. (2021). Origin, structure and genetic diversity of synanthropic populations of Fragaria moschata in Germany. Flora 275: 151762.

2020
 
Khurelpurev, O., Ritz, C.M., Oyunbileg, M., Lang, B., Ahlborn, J., Oyuntsetseg, B., Römermann, C., Wesche, K. (2020) Climate and land use affect genetic structure of Stipa glareosa P. A. Smirn. in Mongolia. Flora 266: 151572.

Buschmann, S., Olbricht, K., Ritz, C.M. (2020) Fragaria moschata – Geschlechterverhältnisse in natürlichen und synanthropen Populationen. Kochia 13: 23-36.

Lunerová, J, Herklotz, V., Laudien, M., Vozárová, R., Groth, M., Kovařík, A., Ritz, C.M. (2020) Asymmetrical canina meiosis is accompanied by the expansion of a pericentromeric satellite in non-recombining univalent chromosomes in the genus Rosa. Annals of Botany 125 (7): 1025-1038. doi.org/10.1093/aob/mcaa028
 
2019

Ritz, C.M., Reise, H., Buschmann, S., Ritz, M.S. (2019) Senckenberg Nature Scouts – eine Nachwuchsforschergruppe des Naturkundemuseums Görlitz. In: Heranbildung von Artenkennern – Erfahrungen von drei Generationen. Sächsische Landesstiftung Natur und Umwelt.

Dressler, S., Ritz, C.M., Wesche, K. (2019). Vom Kräuterbuch zum Informationsknoten – die heimische Flora in Forschung und Anwendung. In: Mosbrugger, V. [Hrsg.]: Senckenberg 2018: 30-33. Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main

Loots, S., Nybom, H., Schwager, M., Sehic, J., Ritz, C.M. (2019) Genetic variation among and within Lithops species in Namibia. Plant Systematics and Evolution. 305(10): 385-399.
 
Franke, R. Gebauer, P., Ritz, C.M., Wesche, K. (2019) Zum 70. Geburtstag von Dr. Friedrich Wilhelm Sander. Berichte der Naturforschenden Gesellschaft der Oberlausitz 27: 225-226.
 
Loots, S., Ritz, C.M., Schwager, M., Sehic, J., Herklotz, V., Garkava-Gustavsson, L. (2019) Distribution, habitat profile and genetic variability of Namibian succulent Lithops ruschiorum, Bothalia 49 (1), a2408. https://doi.org/10.4102/abc.v49i1.2408

Choi, H.-J., Sh, B., Nyam-Osor, B., Ritz, C.M., Chung, G.Y., Jo, H.J., Kim, j.Y., Wesche, K., Khurelbaatar, K., Batlai, O., Shiga, T. (2019) Contribution to the knowledge on the flora of Numrug Strictly Protected Area and some parts of East Mongolia. Journal of Asia-Pacific Biodiversity. 12: 284-301

2018
 
Ritz, C.M. (2018) Polyploidy and hybridization in the genus Rosa L. (Rosaceae). Habilitation Thesis. TU Dresden, School of Science.
Müller, F., Ritz, C.M., Welk, E., Wesche K. (2018) Kommentare und Ergänzungen zur Neubearbeitung der 22. Auflage der Rothmaler Exkursionsflora von Deutschland Grundband 2019: Eine Vorbemerkung. Schlechtendalia 34:45.

Dressler, S., Ritz, C.M., Wesenberg, J., Wesche, K. (2018) Pflanzen digital – das virtuelle Herbarium Senckenbergianum wächst. Natur Forschung Museum 148 (4-6): 87-89.
Seifert, B., Schultz, R. Ritz, M.S, Ritz C.M. (2018) Cryptic species of the Myrmica tibetana complex(Hymenoptera: Formicidae) revealed by multi-source integrative taxonomy. Myrmecological News:27: 93-110.

Herklotz, V., Kovařík, A.; Lunerová, J. Lippitsch, S., Groth, M., Ritz, C.M. (2018) The fate of ribosomal RNA genes in spontaneous polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) exhibiting non-symmetrical meiosis. Plant Journal 91 (1): 77-90.

2017

Ritz, C.M. (2017) Rosa L. in: Schmidt, P.A. & Schulz, B. (eds.) Fitschen Gehölzflora. 13th ed. Quelle & Meyer, Wiebelsheim

Wesche, K., Beck, A. Ritz, C.M. (2017) Riesengebirge: Mitteleuropas nördlichster Hochgebirgskamm. Tuexenia Beiheft Nr. 10: 95-112.

Ritz, C. M., Wünsche, A. E. (2017) Basaltkuppen in der östlichen Oberlausitz. Tuexenia Beiheft Nr. 10: 49-66.

Herklotz, V., Mieder, N. Ritz, C. M. (2017) Cytological, genetic and morphological variation in mixed stands of dogroses (Rosa sect. Caninae, Rosaceae) in Germany with a focus on the hybridogenic R. micrantha. Bot. J. Linn. Soc. 184: 254-271.
 
Dressler, S., Gregor, T., Hellwig, F.H., Korsch, H., Wesche, K., Wesenberg, J. Ritz, C.M. (2017) Comprehensive  and reliable: a new online portal of critical plant taxa in Germany. Pl. Syst. Evol. 303(8):1109-1113.
 
Lesemann, S. S., Bölke, N., Tejeda-Fernandez, C. E., Gerischer, U., Buschmann, S., Herklotz, V., Neinhuis, C., Ritz, C. M., Olbricht, K. (2017) Fruit diversity in a natural European habitat of Fragaria moschata Weston. Acta Hort. 1156 ISHS: 215-222.
 
Jäger, E. J., Müller, F., Ritz, C.M., Welk, E., Wesche, K. (2017) Rothmaler Exkursionsflora von Deutschland. Gefäßpflanzen:Atlasband. 13th ed. Springer Spektrum, Heidelberg.
 
Herklotz, V., Ritz, C. M. (2017) Multiple and asymmetric origin of polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) involving unreduced gametes. Ann. Bot. 120(2):209-220.

2016
 
Müller, F., Ritz, C.M., Welk, E., Wesche, K. (2016). Rothmaler Exkursionsflora von Deutschland. Kritischer Ergänzungsband. 11th ed. Springer Spektrum, Heidelberg.
 
Wesche, K., Otte, V., Boyle, H., Damm, U., Gebauer, P., Ritz, C.M., Wesenberg, J. (2016). Die botanisch-mykologischen Sammlungen in Görlitz – zentrale Anlaufstellen für die haupt-und ehrenamtliche Pflanzen- und Pilzkunde in der Oberslausitz. Ber. Naturf. Ges. Oberlausitz 24: 37-50.
 
Ritz, C. M., Fickenscher, K., Föller, J., Herrmann, K., Mecklenburg, R. Wahl, R. (2016) Molecular phylogenetic relationships, a new classification and a morphological identification key of the Andean genus Aylostera Speg. (Cactaceae, Trichocereeae). Pl. Syst. Evol. 302: 763-780.
 
Reichel, K., Richter, F., Eichel, L., Kącki, Z., Wesche, K., Welk, E., Neinhuis, C., Ritz, C.M. (2016) Genetic diversity in the locally declining Laserpitium prutenicum L. and the more common Selinum carvifolia (L.) L. – a “silent goodbye”? Conserv. Genet. 17 (4):847-860.
 
Kadereit, J. W., Albach, D. C., Ehrendorfer, F., Galbany-Casals, M., Garcia-Jacas, N., Gehrke, B., Kadereit, G., Kilian, N., Klein, J. T., Koch, M. A., Kropf, M., Oberprieler, C., Pirie, M. D., Ritz, C. M., Röder, M., Spalik, K., Susanna, A., Weigend, M., Welk, E., Wesche, K., Zhang, L.-B., Dillenberger, M. S. (2016) Generic circumscriptions in the German flora. Willdenowia 46 (1): 39-91.

2015

Vogt, J. C., Herklotz, V. Ritz, C. M. (2015). Epigenetic patterns in genetically imbalanced polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) revealed by cDNA-AFLPs and MSAPs. Int. J. Pl. Sci. 176:433-445.

Dressler, S., Gregor, T., Korsch, H., Wesche, K., Wesenberg, J. & Ritz, C. M. (2015 ff.) Bestimmungskritische Taxa der deutschen Flora. Herbarium Senckenbergianum Frankfurt/Main, Görlitz & Herbarium Haussknecht Jena. [online] http://webapp.senckenberg.de/bestikri

2014

Herklotz, V., Ritz, C. M. (2014) Spontane Hybridisierung von Hundsrosen (Rosa L. sect. Caninae (DC). Ser.) an einem natürlichen Vorkommen in der Oberlausitz (Sachsen, Deutschland). Peckiana 9: 119-131.

Ritz, C.M., Hunt, D. 2014 Further observations on the Andean Opuntioideae. Succ. Plant Res. 8: 119-138

Kellner, A., Ritz, C. M., Wissemann, V. (2014) Low genetic and morphological differentiation in the European species complex of Rosa sherardii, R. mollis and R. villosa (Rosa, sect. Caninae, subsect. Vestitae). Bot J. Linn. Soc. 174: 240-256.

2013

Dressler, S., Gregor, T., Otte, V., Paule, J., Ritz, C. M., Wesche, K., Wesenberg, J. (2013) Forschungen zur heimischen Flora. Senckenberg – Natur, Forschung, Museum 143 (7/8): 254-255.
Jäger, E.J., Müller, F., Ritz, C. M., Welk, E. & Wesche, K. (2013) Rothmaler – Exkursionsflora von Deutschland. Gefäßpflanzen: Atlasband, 12 edn. Spektrum Akademischer Verlag, Heidelberg.

2012

Kellner, A., Ritz, C. M., Wissemann, V. (2012) Hybridisation by invasive Rosa rugosa Thunb. threatens the genetic integrity of native R. mollis Sm. Bot. J. Linn. Soc. 170: 472-484.

Ritz, C. M., Reiker, J., Charles, G., Hoxey, P., Hunt, D. R., Lowry, M., Stuppy, W., Taylor, N. (2012) Molecular phylogeny and character evolution in terete-stemmed Andean opuntias (Cactaceae − Opuntioideae). Mol. Phylogenet. Evol. 65: 668-681.

Kellner, A., Benner, M., Walther, H., Kunzmann, L., Wissemann, V., Ritz, C. M. (2012) Leaf architecture of extant species of Rosa L. and the Paleogene species Rosa lignitum Heer (Rosaceae). Int. J. Plant. Sci. 173 (3) 239-250.
 
2011
 
Hirsch, H., Zimmermann, H., Renison, D., Ritz, C. M., Wissemann, V., Wesche, K., Welk, E. & Hensen, I. (2011) Tracking the European origin of the Rosa rubiginosa L. (Rosaceae) invasion in Argentina. Int. J. Plant Sci. 172 (4): 530-540.
 
Ritz, C. M., Köhnen, I., Groth, M., Theißen. G, Wissemann, V. (2011) To be or not to be the odd one out – Allele-specific transcription in pentaploid dogroses (Rosa L. sect. Caninae (DC.) Ser). BMC Plant Biol. 11: 37.

Ritz, C. M., Wissemann, V. (2011) Microsatellite analyses of artificial and spontaneous dogrose hybrids reveal the hybridogenic origin of Rosa micrantha by the contribution of unreduced gametes. J. Hered. 102 (2): 217-227.
 
Kellner, A. Ritz, C. M., Schlittenhardt, P. and Hellwig, F. H. (2011) Genetic differentiation in the genus Lithops L. (Ruschioideae, Aizoaceae) reveals a high level of convergent evolution and reflects geographic distribution. Plant Biol. 13 (2): 368-380.
 
2010
 
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. (2010) Radiation, biological diversity and host-parasite interactions in wildroses, rust fungi and insects. In Glaubrecht, M. (ed.) Evolution in action. Springer, Berlin, Heidelberg.

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.
 
2009
 
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.
 
2008
 
Koopman, W. J. M., Wissemann, V., Cock, de K., Van Huylenbroeck, van, J. Riek, de 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.
 
2007
 
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.
 
2006
 
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.
 
2005

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.
 
2003
 
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

Ritz, C. M. & Wissemann, V. (2003) The evolution of diversity in Rosa L., section Caninae (DC) Ser. Rosaceae. In: 16. Symposium Biodiversität und Evolutionsbiologie. 17. Senckenbergkolloquium, Frankfurt. (Abstract)

Ritz, C. M., Köhnen, I., Groth, M., Theißen. G, Wissemann, V. (2011) Allele-specific transcription in pentaploid dogroses. In: Biosytematics 2011, Berlin, Germany (Abstract)

Jäger, E., Müller, F., Welk, E., Wesche, K., Ritz, C. M. (2010) Neuigkeiten zur Rothmaler Exkursionsflora von Deutschland. Jahrestagung der Gesellschaft zur Erforschung der Flora von Deutschland e. V., Hannover.

Ritz, C. M. (2009) Die hybridogene Entstehung von Rosa micrantha. Jahrestagung der Gesellschaft zur Erforschung der Flora von Deutschland e. V., Jena

Ritz, C. M. (2009) CintiaSulcorebutiaWeingartia: Spiny morphology and thorny genetics. In: 8th IOS Congress, Bonn (Abstract)

Ritz, C. M., Köhnen I., Theißen, G. & Wissemann, V. (2007) Allelic differentiation of two single copy genes in pentaploid roses. In: Botanikertagung der Deutschen Botanischen Gesellschaft. Hamburg, (Abstract)

Wissemann, V. & Ritz, C. M. (2005) Hybridization as an evolutionary factor in Rosoideae with a focus on Rosa. In: XVII. International Botanical Congress. Vienna, Austria. (Abstract)

Ritz, C. M. & Wissemann, V. (2003) The evolution of diversity in Rosa L., section Caninae (DC) Ser. Rosaceae. In: 16. Symposium Biodiversität und Evolutionsbiologie. 17. Senckenbergkolloquium, Frankfurt. (Abstract)
 
Deutschsprachige Publikationen

Ritz, C. M., Mecklenburg, R. (2008) Die Phylogenie von Rebutia und ihren Verwandten spiegelt die geologische Geschichte Südamerikas wider. Kakteen und andere Sukkulenten 6: 157-170.

Ritz, C. M. & Zimmermann, N. (2004) Die Phylogenie der Subsektion Meleuphorbia (A. Berger) Pax & Hofmann (Euphorbia Linné). Kakteen und andere Sukkulenten 12 (55): 350-358.

Scholz, C. & Uhlemann, I. (2001) Leucanthemum ircutianum DC. und Leucanthemum vulgare Lam. in Sachsen Anhalt. Mitt. Flor. Kart. Sachsen-Anhalt 6: 43-48

Scholz, C. & Uhlemann, I. (2001) Leucanthemum ircutianum DC. in Brandenburg und Sachsen. Ber. Arbeitsgem. sächs. Bot., Neue Folge. 18: 79-84

Drechsler, N., Scholz, C. & Uhlemann, I. (2000) Vergleichende Untersuchungen mikromorphologischer Blattmerkmale bei Eragrostis albensis und E. pilosa (Poaceae). Verh. Bot. Ver. Berlin Brandenburg. 133: 307-312
 
 

Co-worker

Dr. Veit Herklotz

Khurelpurev, O., Herklotz, V., Harpke, D., Batlai, O., Wesche, K., Ritz, C.M. (2021) Contrasting effects of local environment and grazing pressure on genetic diversity and structure of Artemisia frigida. Conservation Genetics. https://doi.org/10.1007/s10592-021-01375-w.

Lorenz, J., Heinrich, R., Schneider, A., Schwager, M., Herklotz, V., Wesche, K., Ritz, C.M. (2021) Invasive populations of Spiraea tomentosa (Rosaceae) are genetically diverse but shrinking under increasing canopy cover. Plant Biology. https://doi.org/10.1111/plb.13275

Vozárová, R., Herklotz, V., Kovařík, A., Tynkevich, Y.O., Volkov, R.V., Ritz, C.M. and Lunerová, J. (2021) Ancient Origin of Two 5S rDNA Families Dominating in the Genus Rosa and Their Behavior in the Canina-Type Meiosis. Frontiers in Plant Science. https://doi.org/10.3389/fpls.2021.643548

Lunerová, J., Herklotz, V., Laudien, M., Vozárová, R., Groth, M., Kovařík, A., Ritz, C.M. (2020) Asymmetrical canina meiosis is accompanied by the expansion of a pericentromeric satellite in non-recombining univalent chromosomes in the genus Rosa. – Annals of Botany 125 (7): 1025-1038. doi.org/10.1093/aob/mcaa028

Loots, S., Ritz, C.M., Schwager, M., Sehic, J., Herklotz, V., Garkava-Gustavsson, L. (2019) Distribution, habitat profile and genetic variability of Namibian succulent Lithops ruschiorum. – Bothalia 49 (1), a2408. https://doi.org/10.4102/abc.v49i1.2408

Herklotz, V., Kovařík, A., Lunerová, J., Lippitsch, S., Groth, M., Ritz, C.M. (2018) The fate of ribosomal RNA genes in spontaneous polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) exhibiting non-symmetrical meiosis. – Plant Journal 91 (1): 77-90.

Herklotz, V., Mieder, N., Ritz, C. M. (2017) Cytological, genetic and morphological variation in mixed stands of dogroses (Rosa sect. Caninae, Rosaceae) in Germany with a focus on the hybridogenic R. micrantha. – Bot. J. Linn. Soc. 184: 254-271.

Lesemann, S.S., Bölke, N., Tejeda-Fernandez, C.E., Gerischer, U., Buschmann, S., Herklotz, V., Neinhuis, C., Ritz, C.M., Olbricht, K. (2017) Fruit diversity in a natural European habitat of Fragaria moschata Weston. – Acta Hort. 1156 ISHS: 215-222.

Herklotz, V., Ritz, C.M. (2017) Multiple and asymmetric origin of polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) involving unreduced gametes. – Ann. Bot. 120(2):209-220.

Vogt, J.C., Herklotz, V., Ritz, C.M. (2015). Epigenetic patterns in genetically imbalanced polyploid dogrose hybrids (Rosa L. sect. Caninae (DC.) Ser.) revealed by cDNA-AFLPs and MSAPs. – Int. J. Pl. Sci. 176:433-445.

Herklotz, V., Ritz, C.M. (2014) Spontane Hybridisierung von Hundsrosen (Rosa L. sect. Caninae (DC). Ser.) an einem natürlichen Vorkommen in der Oberlausitz (Sachsen, Deutschland). – Peckiana 9: 119-131.

Sebastian Buschmann

Research

Diversity and relationships of Central european strawberries (Fragaria L.)

Buschmann, S., Olbricht, K., Ritz, C.M. 2020. Fragaria moschata Geschlechterverhältnisse in natürlichen und synanthropen Populationen. – Kochia 13: 23–36.

Ritz, C.M., Reise, H., Buschmann, S., Ritz, M.S. 2019. Senckenberg Nature Scouts – eine Nachwuchsforschergruppe des Naturkundemuseums Görlitz. In: Heranbildung von Artenkennern – Erfahrungen von drei Generationen. Sächsische Landesstiftung Natur und Umwelt. Dresden.

Lesemann, S.S., Tejeda Fernández, C.E., Gerischer, U., Buschmann, S., Herklotz, V., Neinhuis, C., Ritz, C.M., Bölke, N. & Olbricht, K. 2017. Fruit diversity in a natural European habitat of Fragaria moschata Weston. – VIII International Strawberry Symposium. Acta Hort. 1156: 215-222.

Buschmann, S. & Müller, F. 2015. Verbreitung, Bestandsentwicklung und Vergesellschaftung von Streptopus amplexifolius in der Sächsischen Schweiz. – Ber. Arbeitsgem. Sächs. Bot. 22: 5–46.