List of Publications

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PD Dr. Nikolai Friesen

  1. Sinitsyna, T., Herden, T. Friesen, N.  2016. Dated phylogeny and biogeography of the Eurasian Allium section Rhizirideum (Amaryllidaceae). Plant Systematic and Evolution. 302: 1311-1328. Doi: 10.1007/s00606-016-1333-

  2. Kocygit, M. Seregin, A. P., Özhatay, N. Friesen, N.  2016. Allium urusakiorum (Amaryllidaceae), a new member of the Balkan clade of the section Oreiprason from European Turkey. Phytotaxa. 275.3: 1-15.

  3. Vaganov A. V., Schmakov A. I., Friesen N. 2016. Synopsis of the genus Anopteris (Pteridophyta, Pteridaceae). Visn. Dnipropetr. Univ. Ser. Biol. Ekol. 24(2): 495-500.

  4. Herden, T., Hanelt, P. & Friesen, N.  2016. Phylogeny of Allium L. subgenus Anguinum (G.Don ex W.D.J.Koch) N. Friesen (Amaryllidaceae). Molecular Phylogenetics and Evolution. 95: 79-83.
    Doi: 10.1016/j.ympev.2015.11.004

  5. Friesen, N.  German, D.A., Hurka, H., Herden, T. Oyuntsetseg, B.  Neuffer, B. 2016. Dated phylogenies and historical biogeography of Dontostemon and Clausia (Brassicaceae) mirror the palaeogeographical history of the Eurasian steppe. Journal of Biogeography.
    Doi: 10.1111/jbi.12658

  6. Borgmann, P., Burkart, M., Friesen, N.  Lauterbach, D. Listl, D. Martens, A. Nick, P. Oevermann, S., Poschlod, P., Radkovitsch, A., Reisch, C., Staubinger, C. Stevens A.D., Zippel, E. & Zachgo, S. 2015. WIPs-DE: Wildpflanzenschutz in Deutschland. Natur und Landschaft, 90,12: 550-555.

  7. Nikolai Friesen, Tobias Herden & Peter Schoenfelder 2015. Allium canariense (Amaryllidaceae), a species endemic to the Canary Islands PDF File

  8. Seregin, A. Anackov G.& Friesen, N. 2015. Molecular and morphological revision of the Allium saxatile group (Amaryllidaceae): geographical isolation as the driving force of underestimated speciation. Botanical Journal of the Linnean Society. 178(1):67-101.

  9. Seregin, A. & Friesen, N. 2015. Molecular und morphological revision reveals different evolution patterns in Allium sect. Oreiprason and Falcatifolia (Amaryllidaceae). Timonin, A.C. (ed.), Semicentenary after Konstantin Meyer: XIII Moscow symposium on plant phylogeny: Proceedings of the international conference, (February 2–6, 2015, Moscow); 02/2015.

  10. Borisjuk, N., Chu, P., Gutierrez, R., Zhang, H., Acosta, K., Friesen, N.,  Sree, K. S., Garcia, C., K.J. Appenroth & Lam, E. 2015. Assessment, validation and deployment strategy of a two barcode protocol for facile genotyping of duckweed species. Plant Biology. 17. Suppl. 1: 42-49.

  11. Kechaykin, A.A., Schmakov, A.I., Hurka, H., Neuffer, B.Oyuntsetseg, B. Darihand, D. Friesen, N. 2014.  New findings in the flora of Mongolia. Part 1.  Turczaninowia 17 (1): 57–65.

  12. Friesen, N. & Fragman-Sapir, O. 2014. A new Allium species from section Molium from Israel: A. akirense (Amaryllidaceae). Phytotaxa 173 (2): 140–148

  13. German D.A. & Friesen N. 2014. Shehbazia (Shehbazieae, Cruciferae), a new monotypic genus and tribe of hybrid origin from Tibet. Turczaninovia 17(4):17-23.

  14. Neuffer, B., Hurka, H., Friesen, N., German, D. A. & Franzke, A. 2014. Evolutionary History of the Genus Capsella (Brassicaceae) - Capsella orientalis, New for Mongolia. Mong. J. Biol. Sci., 12(1-2): 3-18.

  15. Borgmann, P., Oevermann, S., Friesen, N., Zachgo, S. 2014. Die Genbank für Wildpflanzen für Ernährung und Landwirtschaft (WEL). In: Poschlod, P., Borgmann, P., Listl, D., Reisch, C., Zachgo, S. & das Genbank WEL Netzwerk (eds.): Handbuch Genbank WEL. Hoppea Sonderband 2014, 41-70. Regensburg.

  16. Oyuntsetseg,B., Friesen, N.W., Darikhand, D. 2013. Allium carolinianum DC., a new species to the outer Mongolia. Turczaninovia, 16 (2): 88-90.
  18. Zachgo, S., Friesen, N., Borgmann, P. 2012. Genbank für Wildpflanzen für Ernährung und Landwirtschaft (WEL). Ber. Ges. Pflanzenbauwissenschaften, Bd. 6, S. 5-8.

  19. Oyuntsetseg, N.W. Friesen, D.Darikhand 2013. Allium carolinianum DC., a new species to the outher Mongolia. Turczaninovia, 16 (2): 88-90. PDF File
  21. Herden T., Neuffer B., and Friesen N. 2012. Allium ursinum L. in Germany – surprisingly low genetic variability. Feddes Repertorium 123: 81-95. PDF File  

  22. B. Oyuntsetseg, F. R. Blattner & N. Friesen. 2012. Diploid Allium ramosum from East Mongolia: A missing link for the origin of the crop species A. tuberosum? – Erforsch. biol. Ress. Mongolei (Halle/Saale) 12: 415-424. PDF File  

  23. Hurka H., Friesen N., German D. A., Franzke A. & Neuffer B. 2012 ‘Missing link’ species Capsella orientalis and Capsella thracica elucidate evolution of model plants genus Capsella (Brassicaceae). Molecular Ecology.21, 5: 1223-1238. doi: 10.1111/j.1365-294X.2012.05460.x PDF File

  24. Zachgo, S., Friesen, N. und Borgmann, P. (2010). Genbank für Wildpflanzen für Ernährung und Landwirtschaft (WEL). Berichte Ges. Pflanzenbauwissensch. 5, 74-76. PDF File

  25. Kovtonyuk, N. K., Barkalov V. Ju. and Friesen, N. (2009). Synopsis of the family Alliaceae Bork. (Onions) of Asian part of Russia. Turczaninowia, 12(3–4) 31–39. PDF File

  26. German, D.A., Friesen, N., Neuffer, B., Al-Shehbaz, I.A., Hurka, H. 2009. Contribution to ITS phylogeny of the Brassicaceae, with a special reference to some Asian taxa. Pl. Syst. Evol. DOI 10.1007/s00606-009-0213-5 PDF File

  27. Fritsch R. M. & N. Friesen. 2009. Allium oreotadzhikorum and A. vall ivan chense, two new species of Allium subg. Polyprason(Alliaceae) from the Central Asian republic Tajikistan . Feddes Repertorium. 120, 2-3: 321-331. PDF File

  28. Sinitsyna T. A. & Friesen N. 2008. Fylogeny of section Rhizirideum G. Don.f. ex W.D.J.Koch of genus Allium L. on the base of molecular data //Problemms of Botany of South Siberia and Mogolia: Proceedings of VII International Scientific-Practical Conference Barnaul, Azbuka Press.  pp. 323-326. In Russian

  29. Sinitsyna T. A. & Friesen N. 2008. Fylogeny and phyllogeography of section Rhizirideum G. Don.f. ex W.D.J.Koch of genus Allium L. //Fundamental Problemms of Botany in the XXI Century: Proceedings of All-Russian Conference Petrosavodsk, Karelian Scientific Centrum of RAS.  pp. 74-75. In Russian

  30. Friesen N. 2008. Die Gattung Allium – Taxonomischer Überblick und wissenschaftliche Sammlung im Botanischen Garten der Universität Osnabrück. Osnabrücker Naturwissenschaftliche Mitteilungen. B 33/34, S. 95-110. PDF File

  31. Borgmann, P., Friesen N., Neuffer, B., Hurka H. 2008. Loky Schmidt-Genbank für Wildpflanzen am Botanischen Garten der Universität Osnabrück. Osnabrücker Naturwissenschaftliche Mitteilungen. B 33/34, S. 81-93. PDF File

  32. Hurka, H., Friesen N., Borgmann, P., Neuffer B. 2008. Schutz und Erhalt pflanzengenetischer Vielfalt: in situ- und Ex situ-Maßnahmen. Osnabrücker Naturwissenschaftliche Mitteilungen. B 33/34, S. 177-195. PDF File

  33. Gurushidze M., Mashayekhi S.,  Blattner F. R., Friesen N. and Fritsch R. M. 2007.  Phylogenetic relationships of wild and cultivated species of Allium section Cepa inferred by nuclear rDNA ITS sequence analysis. Plant Systematic and  Evolution, 269: 259–269.Datei "" in der Kategorie "" nicht vorhanden.

  34. Friesen N. 2007.  Molecular methods, used in Plant Systematic. Practical Approach. AsBuka-Press. Barnaul. 64 p. ( In Russian). Практическое пособие: Молекулярные методы, используемые в систематике растений.

  35. Smirnov S. V. and Friesen N. 2006. Brachanthemum baranovii (Asteraceae), a sample showing the utility of molecular-genetik analysis for revealing the hybrids. In Problems of Botany of South Siberia and Mongolia. Proceeding of 5th International Scientific-Practical Conference (Barnaul, 21-23 November 2006). pp. 256-258. Azbuka-Press, Barnaul

  36. Friesen N., Fritsch R. M. and Blattner F.R. 2006. Phylogeny and new infrageneric classification of Allium L. (Alliaceae) based on nuclear ribosomal DNA ITS sequences. Aliso. 22, pp. 372-395.  PDF File

  37. Blattner, F.R. & Friesen, N. 2006. Chapter 10. Relationship between Chinese chive (Allium tuberosum) and its putative progenitor A. ramosum as assessed by random amplified polymorphic DNA (RAPD).  In: M.A. Zeder, D. Decker-Walters, D. Bradley, & B.D. Smith (Eds.) Documenting Domestication: New Genetic and Archaeologocial Paradigms. pp. 134-142. University of California Press.  PDF File

  38. Mummenhoff, K., Linder, P., Friesen, N., Bowman, J.L. Lee, J.-Y. & Franzke, A. 2006. African species of Lepidium (Brassicaceae) contributed via hybridization to the origin of Australian/New Zealand species. In: S.A. Ghazanfar & H.J. Beentje (eds), Taxonomy and ecology of African plants, their conservation and sustainable use, pp. 291–308. Royal Botanic Gardens, Kew. PDF File.

  39. Hurka H., Neuffer B. and Friesen N. 2005. Botanische Gärten - Orte biologischer Vielfalt und pflanzengenetischer Ressourcen.  Praxis der Naturwissenschaften. Biologie in der Schule. 54,4: 26-29.

  40. Hurka H.,  B. Neuffer  and .N. Friesen. 2004. Plant Genetic Resources in Botanical Gardens. Acta Horticulturae 651: Proc 21 IS on Breeding Ornamentals, Part II, 35-44. PDF File

  41. Franzke A., H. Hurka, D. Janssen, B. Neuffer, N. Friesen, M. Markov and K. Mummenhoff. 2004. Molecular signals for Late Tertiary/Early Quaternary range splits of an Eurasian steppe plant: Clausia aprica (Brassicaceae). Molecular Ecology 13, 2789-2795. PDF File

  42. Klaus Mummenhoff, Peter Linder, Nikolai Friesen, John Bowman, Ji-Young Lee, and Andreas Franzke. 2004. Molecular evidence for bicontinental hybridogenous genomic constitution in Lepidium sensu stricto (Brassicaceae) species from Australia and New Zealand. Am. J. Bot. ; 91: 252. PDF File

  43. Friesen N. 2003. Family Ranunculaceae: Genera Galtha – Aconitum; Thalictrum. In L. Malyshev & G.Peshkova (eds.): Flora of Siberia:Portulacaceae - Ranunculaceae. 6: 92-136, 195-203, 230-248, 281-289. Science Publischers, Inc. Enfield, USA. Translation from Russian: Friesen N. 1993. Family Paeoniaceae, Ranunculaceae, Genera: Galtha – Aconitum; Thalictrum. In L. Malyshev & G.Peshkova (eds.): Flora of Siberia: Portulacaceae - Ranunculaceae. 6: 99-140, 198-206,231-249,282-289.

  44. German D., Neuffer B., Friesen N. and Hurka H. 2003. Contribution to the knowledge of the Flora of the Mongolian Altai II. Feddes Repertorium 114: 632- 637

  45. Neuffer B., B. Oyuntsetseg , Z. Schamsran , N. Friesen and H. Hurka. 2003. Contribution to the knowledge of the Flora of the Mongolian Altai. Feddes Repertorium 114.5-6: 358- 371. PDF File

  46. Fritsch R. and N. Friesen. 2002. Chapter 1. Evolution, Domestication, and Taxonomy. In H. D. Rabinovich and L. Currah (eds.) Allium Crop Science – Recent Advances. CABI Publishing  5-30. PDF File  

  47. Klaas M. and N. Friesen. 2002. Chapter 4. Molecular Markers in Allium. In H. D. Rabinovich and L. Currah (eds.) AlliumCrop Science – Recent Advances. CABI Publishing  159-185. PDF File

  48. Murray B. G., N. Friesen and J.S.(Pat) Heslop-Harrison. 2002. Molecular cytogenetic analysis of Podocarpus  and comparison with other Gymnosperm species. Annals of Botany. 89:483-489. PDF File

  49. Friesen N. The Genera Allium L. and Caloscordum Herbert. 2001. In L. Malyshev & G. Peshkova (eds.): Flora of Siberia: Volume 4. Araceae-Orchidaceae. Science Publischers, Inc. Enfield, USA. P. 43-91, 174-192. (Translated of: Friesen N. The Genera Allium L. and Caloscordum Herbert. 1987. In L. Malyshev & G. Peshkova (eds.): Flora of Siberia: (Volume 4) Araceae - Orchidaceae. Novosibirsk: Nauka Sib. Otdel. (4). 55-97, 177-195. In Russian.) PDF Files Part 1, Part 2, Maps

  50. Bachmann K., F. Blattner, D. Fischer, N. Friesen, R. Fritsch, M. Klaas, T. Mes, S. Pollner. 2001. Molecular markers in Allium: Range of aplication, reliability and taxonomic implications. Acta Horticulture 546: 159-163.

  51. Friesen N., A. Brandes and J. S. (Pat) Heslop-Harrison. 2001. Diversity, origin and distribution of retrotransposons (gypsy and copia) in Conifers. Molecular Biology and Evolution. 18(7): 1176-1188. PDF File

  52. Friesen N., R. Fritsch, S. Pollner and F. R. Blattner. 2000. Molecular and morphological evidence for an Origin of the Aberrant Genus Milula within Himalayan Species of Allium (Alliacae). Molecular Phylogenetics and Evolution. 17: 209-218. PDF File

  53. Friesen N. and F. R. Blattner. 2000. Geographical isolation predominates over ecological differentiation in the phylogeny of Allium section Schoenoprasum (Alliaceae). Plant Biology. 2: 297-305. PDF File

  54. Friesen N., Pollner S., Bachmann K. and Blattner F. 1999. RAPDs and non-coding chloroplast DNA reveal a single origin of the cultivated Allium fistulosum from A. altaicum. American Journal of Botany. 86.4: .554-562. PDF File

  55. Fritsch, R., N. Friesen & K. Bachmann. Research activities in the Department of Taxonomy, IPK Gatersleben. In: MAGGIONI,L., D. ASTLEY, H. RABINOWITCH, J. KELLER &E. LIPMAN (Eds.) Report of a working group on Allium. Sixth meeting, 23-25 October 1997, Plovdiv, Bulgaria. IPGRI, Rome, 76.

  56. Samoylov A., N. Friesen, S. Pollner and P. Hanelt. 1999. Use of chloroplast DNA polymorphisms for the study of Allium subgenus Amerallium und subgenus Bromatorrhiza (Alliaceae) II. Feddes Repertorium, 110, 1-2: 103-109. PDF File

  57. Nimis P. L., L. I. Malyshev, G. Bolognini and N. Friesen: 1998. A multivariate phytogeographic analysis of plant diversity in the Putorana Plateau (N Siberia). Opera Botanica, 136. 72p.

  58. Friesen N. and N. Herrmann. 1998. Taxonomy, chorology and evolution of Allium lusitanicum - the European „A. senescens„. Linzer Biologische Beiträge. 31: 815-830. PDF File

  59. Gregory M., R. Fritsch, N. Friesen, F. Khassanov and D. McNeal. 1998. Nomenclator Alliorum: Alliumnames and synonyms - a word guide", The Trustees, Royal Botanic Garden, Kew. 83pp.

  60. Fritsch R. M., Khasanov F. O. and Friesen N. 1998. New taxa, new combinations, and taxonomic remarks on Allium L. from Fergan depression, Middle Asia. Linz Biol Beitr. 30: 281-292.

  61. Friesen N. & Klaas M. 1998. Origin of some minor vegetatively propagated Allium crops studied with RAPD and GISH. Genetic Resources and Crop Evolution. 45: 511-523. PDF File

  62. Mes T., Friesen N., Klaas M., Fritsch R. and Bachman K. 1997. Criteria for sampling in Allium based on chloroplast DNA PCR-RFLPs. Syst. Bot. 22,4: 7001-712.

  63. Friesen N. & Özhatay N. 1998. New taxa and notes on the genus Allium subgenus Rhizirideum(Alliaceae) in Turkey. Feddes Repert. 109, 1-2: 25-31.  

  64. Friesen N., Fritsch R. and Bachmann K. 1997. Hybrid origin of some ornamental Alliums of subgenus Melanocrommyum verified with GISH and RAPD. Theor. Appl. Gen. 95: 1229-1238. PDF File

  65. Friesen N., Borisjuk N., Klaas M., Mes T. and Hanelt P. 1997. Allotetraploid origin of Allium altyncolicum (sect. Schoenoprasum) as investigated by karyological and molecular markers. - Plant Systematic and Evolution. 206: 317-335. PDF File

  66. Friesen N. 1997. Family Lamiacea (Labiatae), Genera Ajuga L., Amethystea L., Lagopsis Bunge,Lophanthus Adans., Glechoma L., Prunella L. In Malyshev (ed.): Flora of Siberia: Pyrolaceae - Lamiaceae (Labiatae) 11: 160-161; 165-167;169-170; 185-186. In Russian

  67. Friesen N. 1997 Family Cuscutaceae. In Malyshev (ed.): Flora of Siberia: Pyrolaceae - Lamiaceae(Labiatae) 11: 92-94. In Russian

  68. Friesen N. 1997 Family Convolvulaceae. In Malyshev (ed.): Flora of Siberia: Pyrolaceae - Lamiaceae(Labiatae) 11: 88-91. In Russian  

  69. Friesen N. 1996. A taxonomic and chorological revision of the section Schoenoprasum Dumort. (GenusAllium L.). Candollea. 51: 461-473.

  70. Pistrick K., M. Avramiuc, C. Chereches and N. Friesen. 1995 Collecting plant genetic resources in Romania (Eastern Carpatians, Maramures, Muntii Apusenii), 1994. Plant Genetic Resources Newsletter. 104. 10-15.

  71. Friesen N. 1995.The Genus Allium L. in the Flora of Mongolia. Feddes Repertorium. 106,1-2: 59-81. PDF File

  72. Nimis P. L., L. Malyshev, G. Bolognini, N. Friesen. 1995.Phytogeographic diversity of the Putorana flora (N Siberia). Ann. Bot. Fennici. 32: 1-17

  73. Friesen N. 1993. Family Ranunculaceae, Genera Galtha - Aconitum, Thalictrum. In L. Malyshev & G.Peshkova (eds.): Flora of Siberia: Portulacaceae - Ranunculaceae. 6: 99-140, 198-206,231-249,282-289. In Russian.

  74. Friesen N. 1993. Family Paeoniacea. In L. Malyshev & G.Peshkova (eds.). Flora of Siberia:Portulacaceae - Ranunculaceae. 6:98,231. In Russian.  

  75. Friesen N., Bolognini G., Nimis P.L. 1993. Quantitative Phytogeography of the Genus Allium in Siberia and Mongolia. Nordic Journal of Botany 5: 295-307.

  76. Friesen N. 1992. Systematics of the Siberian polyploid complex in subgenus Rhizirideum (Allium). In: P. Hanelt, K. Hammer and H. Knüpffer (eds.) The Genus Allium - Taxonomic Problems and Genetic Resources. Proceeding of an International Symposium held at Gatersleben, Germany, June 11-13, 1991. pp. 55-66.  

  77. Friesen N., Pistrick K. 1992. Collecting Allium in the Altai Mauntains (Western Siberia). Allium Improvent News Letter, Medison, USA. 1:32-36.  

  78. Friesen N. 1991. Chromosome numbers in members of the Ranunculaceae Family from Siberia. Botan. Journ. Leningrad 76.6: 905-907. In Russian.  

  79. Friesen N. 1991. Chromosome numbers in some members of the Alliaceae Family from  Siberia. Botan. Journ. Leningrad 76.1: 141-142. In Russian.

  80. Friesen N. 1990. New alpine species belonding to the genus Delphinium from south Siberia and Mongolia. Bull. MOIP, Moskwa 95.5:125-132. In Russian.  

  81. Friesen N. 1989. Ultrasculpture of the seed surface and taxonomy of Siberian species of Aquilegia (Ranunculaceae). Bull. MOIP. Moskwa 94.6:76-79. In Russian.  

  82. Friesen N. 1989. Karyosystematik of the representatives of the subgenus Rhizirideum (Allium) from Siberia. Proceeding of the II conference of plants karyology. Novosibirsk. Central Siberian Botanical Garden. 6-8 September 1989: 51-53. In Russian.

  83. Friesen N. 1989. Polyploid complex of Caltha (Ranunculaceae) in Siberia:Proceeding of the II conference of plants kariology. Novosibirsk. Central Siberian Botanical Garden. 6-8 September. 1989: 57-58. In Russian.

  84. Friesen N. 1988. Exikatens of 19 species of the Genus Allium from Siberia. List of plants of Herbarium Flora of USSR. Leningrad: Nauka. 26. vyp. 131-136: 47-54. In Russian.  

  85. Friesen N. 1988. Alliaceae from Siberia: Taxonomy, Kariology, Chorology. Novosibirsk:Nauka Sib. Otdel. 185 pp. In Russian.  

  86. Friesen N. 1988. Allium ubsicolum Regel - a new species for the Flora of USSR. Novosti systematiki vyssh. rast. Leningrad: Nauka. 25: 47-48. In Russian.

  87. Friesen N. 1988. Allium pumilum Vved. - The Red Book of Russia. Plants. Rosagroprom: Moskaw.: 33. In Russian.

  88. Friesen N. 1988. Allium neriniflorum (Herb.)Baker - The Red Book of Russia. Plants. Rosagroprom: Moskaw.: 31. In Russian.

  89. Friesen N. 1988. Allium belullum Prokh. - The Red Book of Russia. Plants. Rosagroprom: Moskaw.: 29. In Russian.  

  90. Friesen N., Grankina V., Ershova E. 1988. Allium eduardii Stearn. In K. Sobolevskaja (ed.): The Bioecological peculiarities of the Siberian Plants. Novosibirsk: Nauka, Sib. Otdel.:89-99. In Russian.

  91. Friesen N. The Genera Allium L. and Caloscordum Herbert. 1987. In L. Malyshev & G. Peshkova (eds.): Flora of Siberia: Araceae-Orchidaceae. Novosibirsk:Nauka Sib. Otdel. (4). 55-97, 177-195. In Russian.

  92. Friesen N. 1987. A new species Allium (Alliaceae) from Altai. Botan. Journ., Leningrad 72. 6: 815-820. In Russian.

  93. Friesen N., Namzalov B. B. 1986. Allium pumilum Vved.In K. Sobolevskaja (ed.): The Biological peculiarities of the Siberian plants. Novosibirsk:Nauka, Sib. Otdel.: 141-148. In Russian.

  94. Grankina V., Friesen N., Khanminchun V., Ceremuschkina V., Danilova N. 1986. Allium altaicum Pall. In K. Sobolevskaja (ed.): The Biological peculiarities of the Siberian plants. Novosibirsk:Nauka, Sib. Otdel.: 122-140. In Russian.

  95. Friesen N.,  Zuev V. V., Aljanskaja N. 1986. Calloscordum neriniflorum Herbert.In K. Sobolevskaja (ed): The Biological peculiarities of the Siberian plants. Novosibirsk: Nauka, Sib. Otdel.: 83-92. In Russian.

  96. Friesen N. 1986. Chromosome number representative the Family Alliaceae from Siberia. Botan. Journ., Leningrad 71.1:113-115. (In Russian).

  97. Friesen N. 1985. On taxonomy of Allium stellerianum Willd. (Alliaceae) from Siberia. Novosti syst. vyssh. rast. Leningrad: Nauka. 22: 72-75.

  98. Friesen N. 1985. A new species Allium vodopjanovae (Alliaceae) from Siberia and Mongolia. Botan Journ., Leningrad. 70.9:1247-1254. (In Russian).

  99. Friesen N., Namsalov B. B. 1985. On the rare altaian species of Allium pumilum Vved. (Alliaceae). Botan. Journ., Leningrad. 70.8:1126-1129. (In Russian).  

  100. Friesen N. 1985. Chromosome numbers in the representatives of the Family Alliaceae from the Siberia. Botan. Journ. Leningrad. 70.7: 1001-1002. (In Russian).  

  101. Friesen N. 1983. Cytotaxonomical investigation of some species the genus Allium in Siberia. Izvestia Sib. otdel. AN SSSR. Ser. Biol. Nauk. 5.1: 48-53. (In Russian).  

  102. Malyshev L.I. &  Friesen N.  1980. Book review: H. Meusel; E. Jäger, S. Rauschert, E. Weinert. Vergleichende chorologie der zentraleuropaischen Flora. Text. Bd. 2.X1-414 S, Karten Bd. 2. Veb Gustav Fischer Verlag. Jena 1979. Ecologia, Sverdlovsk. 4. (In Russian).