1. Temniskova-Topalova, D., N. Ognjanova. 1979. New neogene nonmarine diatoms of Bulgaria. - Phytology, Bulgarian Academy of Sciences, 12: 52-62. (in Bulgarian)
2. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1983. Diatoms from neogene nonmarine sediments in Goze Delchev basin. - Phytology, Bulgarian Academy of Sciences, 22: 29-45. (in Bulgarian)
3. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1984. Palaeoecological reconstruction of the diatomaceous sediment formation near of village Dragovistica, Sofia basin. In: Proceedings of III National Conference Botany, I: 357-365. (in Bulgarian)
4. Temniskova-Topalova, D., N. Ognjanova-Rumenova, Z. Antimova. 1987. Diatom analysis of nonmarine neogene deposits from v. Kovacevci, Samokov region. In: Proceedings of IV National Conference - Botany, III:371-379. (in Bulgarian)
5. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1988. Neogene Non-marine Diatoms from sediments of Sofia valley, Bulgaria. In: Proceedings of Nordic Diatomist Meeting, Stockholm, 1987, Univ. of Stockholm, Dept. of Quaternary research (USDQR) Report 12: 91-97.
6. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1989. Revision of the genus Fragilaria Lyngbye (Bacillariophyta) from neogene sediments in Bulgaria. In: Proceedings III Balkan Congress on Electron Microscopy, Athens (abstract): 167-168.
7. Antimova, Z., D. Temniskova-Topalova, N. Ognjanova, M. Valeva. 1989. The process of sedimentation in neogene grabens in the west Srednogorie and conditions of the diatomaceous formations. In: Abstracts of the XIV Congress Carpatho-Balkan Geological Association, Sofia, IV: 1424-1428. (in Russian)
8. Temniskova-Topalova, D., N. Ognjanova-Rumenova, R. Kostov. 1990. Electron paramagnetic resonance of diatom opal from three Bulgarian deposits. - Comptes rendus de l'Academie bulgare des sciences, 43, 5:45-48.
9. Temniskova-Topalova, D., N. Ognjanova-Rumenova, M. Valeva, Z. Antimova. 1990. Biostratigraphical significance of diatoms of some genera, subclass Centrophycidae from neogene nonmarine sediments South Bulgaria (Sofia, Samokov, Karlovo, Goze Delchev and Elhovo basins). In: Microfossils in Bulgarian Stratigraphy, Sofia: 81-85. (in Russian)
10. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1990. New species of the genus Pontodiscus Temnisk. et Sheshuk. (Bacillariophyta). - Botanical Journal, Sankt Peterburg, 75, 9: 1286-1287. (in Russian)
11. Temniskova-Topalova, D., N. Ognjanova-Rumenova, M. Valeva. 1990. Nonmarine Diatoms from Neogene sediments of Bulgaria. In: Proceedings of Tenth International Diatom Symposium, Joensuu, Finland, 1988, Koeltz Scientific books, Koenigstein: 357-365.
12. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1992. A new nomenclature combination in the genus Actinocyclus (Bacillariophyta). - Botanical Journal, Sankt Peterburg, 77, 11: 136. (in Russian)
13. Ognjanova-Rumenova, N., E. Popova. 1992. Diatom biostratigraphy and comparative core correlation within Sofia basin, Bulgaria. In: Palaeovegetational development in Europe and regions relevant to its palaeofloristic evolution, Proceedings of the I Pan-European Palaeobotanical Conference, Vienna, 1991: 197-203.
14. Ognjanova-Rumenova, N., E. Popova. 1993. CCA used for Neogene Palaeoecological Reconstruction of Sofia basin, South Bulgaria. In: Diatom algae as indicators of the changes of climate and environment, Fifth workshop on Diatom Algae, Irkutsk, March, 16-20, 1993: 104-107.
15. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1993. Diatom analysis of the neogene nonmarine sediments in Palakaria basin. - Review of the Bulgarian Geological Society, 54, 1: 99-111. (in Bulgarian)
16. Temniskova-Topalova, D., N. Ognjanova-Rumenova, M. Valeva. 1994. Nonmarine biostratigraphy of some genera of subclass Centrophycidae, South Bulgaria. In: Memoirs of the California Academy of Sciences, 17, Proceedings of 11th International Diatom Symposium, San Francisco: 301-310.
17. Ognjanova-Rumenova, N., D. Temniskova-Topalova, M. Valeva. 1994. Revision of the genus Fragilaria Lyngbye (Bacillariophyta) from neogene sediments in Bulgaria on the basis of new investigation of the ultrastructure. In: Memoirs of the California Academy of Sciences, 17, Proceedings of 11th International Diatom Symposium, San Francisco: 291-300.
18. Ognjanova-Rumenova, N. 1994. Taxonomical composition of fossil diatoms from Neogene nonmarine sediments, Sofia basin. - Annuaire de l'Universite de Sofia "St.Kl.Ohridski" - Fac. Biology, livre 2 - Botanique, 85: 55-58.
19. Hadjiev, A., N. Ognjanova-Rumenova, M. Yovchev. 1994. Preliminary assessments of diatomite material from the Loznitsa deposit. - Mining and Geology, 8: 37-40.
20. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1994. Diatoms from neogene nonmarine sediments in Palakaria basin. - Review of the Bulgarian Geological Society, 55, 3: 69-84.
21. Zagorchev, I., N. Ognjanova-Rumenova. 1995. First finds of diatom clay and silt in the Neogene Filling of the Seres graben, Struma rift, Northern Greece. In: Proceedings of the XV Congress Carpatho-Balkan Geological Association, Sept. 1995, Athens, Special publ. of the Geological Society of Greece, 4: 304-309.
22. Ognjanova-Rumenova, N. 1995. Diatoms as indicators of palaeoenvironmental changes during the Holocene in the Bay of Sozopol (Bulgarian Black sea coast). - Phytologia Balcanica, 2: 27-39.
23. Ognjanova-Rumenova, N. 1996. Cyclotella iris Brun & Herib. group from the Upper Miocene sediments of the Sofia basin, Bulgaria. - Geologica Carpathica, 47, 5: 301-310.
24. Temniskova-Topalova, D., N. Ognjanova-Rumenova, E. Popova. 1996. Diatom analysis of Neogene sediments from the Karlovo coal basin (Southern Bulgaria) - II. Stratigraphy and palaeoecology based on siliceous microfossils. - Phytologia Balcanica, 2, 1: 13-28.
25. Ognjanova-Rumenova, N., E. Popova. 1996. Palaeolimnological reconstruction of the Sofia Neogene basin, South Bulgaria - a case study of palaeoenvironmental diatom research. - Phytologia Balcanica, 2, 2: 43-51.
26. Ognjanova-Rumenova, N. 1997. Middle Sarmatian diatom assemblages from the diatomite deposits, v. Loznica, North-East Bulgaria. In: Special Publication of Geoinstitute No 21: Proceedings of Field Meeting held in Yugoslavia in 1995 and 1996, Project IGCP 329: 37-42.
27. Temniskova-Topalova, D., N. Ognjanova-Rumenova. 1997. Description, comparison and biostratigraphy of the nonmarine neogene diatom floras from Southern Bulgaria. - Geologica Balcanica, 27, 1-2: 57-81.
28. Ognjanova-Rumenova, N., E. Popova. 1997. Diatom biostratigraphy and environmental history of the Holocene sediments in Sozopol bay. - Annuaire de l'Universite de Sofia "St.Kl. Ohridski", Fac. Biology, livre 4 - 6eme session scientifique Sofia’96, 88: 42-46.
29. Ognjanova-Rumenova, N. 1997. Lake trophic evolution determined by fossil diatoms, Chrysophycean stomatocysts and mollusca. - Annales Geologiques des Pays Helleniques, Athenes, premiere serie, 37, 1996-1997: 97-117.
30. Ognjanova-Rumenova, N., D. Vass. 1998. Palaeoecology of the Late Miocene Maar Lakes, Podrecany Basalt Formation, Southern Slovakia, on the basis of siliceous microfossils. - Geologica Carpathica, 49, 5: 351-368. IF=0.273 (1998)
31. Ognjanova-Rumenova, N., D. Zaprjanova. 1998. Siliceous microfossil stratigraphy of sediment profile “F” connected with archaeological excavation in coastal wetlands in the Bay of Sozopol (Bulgarian Black Sea coast). Part I: Taxonomical documentation, diatom biostratigraphy and ecological analysis of the diatom flora. - Phytologia Balcanica, 4, 1-2:3-17.
32. Ognjanova-Rumenova, N., D. Zaprjanova, E. Popova. 1998. Siliceous microfossil stratigraphy of sediment profile “F” connected with archaeological excavation in coastal wetlands in the Bay of Sozopol (Bulgarian Black Sea coast). Part II: Palaeoenvironmental interpretation. - Phytologia Balcanica, 4, 3:39-50.
33. Ognjanova-Rumenova, N. 1999. Diatom analysis of the neogene nonmarine sediments from Belibrjag coal basin, Southwestern Bulgaria. - In: Carpathian Foredeep basin - its evolution and mineral resources, Krakow 17-18.9.1999, Abstracts: 148-149.
34. Ognjanova-Rumenova, N., M. Filipova-Marinova, E. Popova. 1999. The analysis of vegetation-environment relationships in the Bay of Sozopol, Bulgarian Black Sea coast by CCA method. - Proceedings of the 5th EPPC, Acta Palaeobotanica, supplement 2, 589-593.
35. Ognjanova, N., M. Yaneva. 2000. Preliminary data on the palaeoecological development of Beli Brjag Basin, SW Bulgaria. In: Proceedings of the Geological Conference:” Bulgarian geology at the Threshold of the 21st Century - new ideas and prospective, 11-13 October 2000: 160-162.
36. Ognjanova-Rumenova, N. 2000. Lacustrine diatom flora from Neogene basins on the Balkan Peninsula: Preliminary Biostratigraphical data. In: The origin and early evolution of diatoms: fossil, molecular and biostratigraphical approaches (eds. A.Witkowski and J. Sieminska), Krakow, Poland: 137-143.
37. Ognjanova-Rumenova, N., M. Yaneva. 2001. New data about Baldevo Formation, Gotse Delchev Basin, based on sedimentological and biostratigraphical evidences.- Geologica Balcanica, 31, 1-2:126-127.
38. Ognjanova-Rumenova, N. 2001. On the origin of the lacustrine diatom flora from Neogene Basins on the Balkan Peninsula. - Annuaire de l’Universite de Sofia “St. Kl. Ohridski”, Fac. Biology, livre 2-Botanique, 93:1-10.
39. Pandurski, I., N. Ognjanova-Rumenova. 2001. Le genre Hexabathynella Schminke, 1972 (Crustacea, Syncarida, Bathynellacea) dans les eaux souterraines de la peninsula Balkanique: distribution et ramarques paleozoogeographiques. - Historia Naturalis Bulgarica, 13: 69-78.
40. Ognjanova-Rumenova, N. 2001. Neogene diatom assemblages from lacustrine sediments of Macedonia and their distribution in the correlative formations in South-Western Bulgaria. - In: Proceedings 2001 of the 16th Diatom Symposium (A. Economo-Amilli, ed), University of Athens, Greece, 423-432.
41. Ognjanova-Rumenova, N. 2001. Diatom analysis of Upper Quaternary lake sediments from Dalgoto ezero in Northern Pirin Mountains: I. Taxonomical remarks. - Phytologia Balcanica, 7, 2: 181-194.
42. Ognjanova-Rumenova, N. 2002. Diatom analysis of Quaternary lake sediments from Dalgoto ezero in Northern Pirin Mts. - An application of different methods in palaeoecological interpretation. - In: Temniskova, D. (Ed.), Proceedings of Sixth National Conference of Botany, Sofia, June 18-20, 2001, Sofia, Sofia University “St.Kliment Ohridski” Press: 297-307. (in Bulgarian)
43.Yaneva, M., N. Ognjanova-Rumenova, G. Nikolov. 2002. Palaeoecological development of Gotse Delchev basin, SW Bulgaria, during the Neogene. - In: Proceedings. of Internatuional Scientific Conference in Memory of Prof. D.Jaranov, Development and state of environment, Varna, 2002: 36-47. (in Bulgarian)
44.Zagorchev, I., N. Ognjanova, K. Stoykova, L. Dimadis. 2002. Pontian lacustrine regimes and marine ingressions in the Strymon area, Northern Greece. - Geologica Carpathgica, Special issue - Proceedings of the XVII Congress Carpatho-Balkan Geological Association, Sept. Bratislava: 53.
45. Stefanova, I., N. Ognjanova-Rumenova, W. Hofmann, B. Ammann. 2003. Late Glacial and Holocene environmental history of the Pirin Mountains (SW Bulgaria): a palaeolimnological study of Lake Dalgoto (2310m). - Journal of Palaeolimnology, 30: 95-111. IF 2.333 (2003)
46. Ognjanova-Rumenova, N., M. Yaneva. 2003. Palaeoecological development of Kostenets Basin, South Bulgaria, during the Late Miocene. - In: Palaeolimnology of the Serbian Neogene, (Abstracts), 7-11. July 2003, Belgrade: 10-12.
47. Ognjanova-Rumenova, N. 2003. On micropalaeontology and palaeoecology of Miocene non-marine diatoms from Sivik Formation, Satovcha basin, Southwestern Bulgaria. - Phytologia Balcanica, 9, 2: 207-220.
48. Dumurdzhanov, N., D. Mihajlovic, N. Krstic, N. Ognjanova, G. Petrov. 2003. New data on stratigraphy of the Neogene and Pleistocene in Mariovo, Macedonia. - Geologica Macedonica, 17: 43-52.
49. Ognjanova-Rumenova, N. 2004. Diatom biostratigraphy of the Gabrovitsa Formation, Kostenets Basin, South Bulgaria. - In: Proceedings Annual Scientific Conference of the Bulgarian Geological Society “Geology 2004”, 16-17.12.2004, Sofia: 63-66.
50. Ognjanova-Rumenova, N. 2005. Upper Neogene siliceous microfossils from the Pelagonia Basin, Balkan Peninsula. - Geologica Carpathica, 56, 4: 347-358. IF 0.449 (2005)
51. Ognjanova-Rumenova, N. 2005. Tracking environmental change in Rila Mts., using lake sediments and siliceous microfossils. - In: Proceedings of the 1st Nacional Ecological Conference “Biodiversity, Ecosystems and Global changes”, 4-5.11.2004, Sofia: 387-393. (in Bulgarian)
52. Ognjanova-Rumenova, N., Y. Presolska, I. Botev. 2006. Abundance and species composition of diatoms and invertebtrates in the cirque Sedemte ezera cirque, Rila Mts. (Southwest Bulgaria). - Phytologia Balcanica, 12, 1:25-36.
53. Ognjanova-Rumenova, N. 2006. Some aspects and problems concerning diatom biochronology for the Neogene in the region of the Balkan Peninsula. - In: Proceedings of the 18th International Diatom Symposium, Miedzyzdroje, Poland (A. Witkowski, ed.). Biopress Limited, Bristol: 337-345.
54. Ognjanova-Rumenova, N., D. Metzeltin. 2006. A new Cymbella from the Neogene in Bulgaria and its stratigraphic significance. - In: Advances in Phycological Studies, prof. D. Temniskova-Topalova, Festschrift (Ognjanova, N. & K. Manoylov, eds). Pensoft, Sofia University Publishing House, Sofia: 91-96.
55.Vodenicharov, V., K. Manoylov, N. Ognjanova-Rumenova. 2006. Prof. Dr.Biol.Sc. Dobrina N. Temniskova-Topalova (A life dedicated to the students). - In: Advances in Phycological Studies, prof. D. Temniskova-Topalova, Festschrift (Ognjanova, N. & K. Manoylov, eds). Pensoft, Sofia University Publishing House, Sofia: 13-24.
56. McLean, C., D. Long, C. Yansa, N. Ognjanova-Rumenova, J. Stevenson, M. Parsons. 2007. Evaluating environmental response trends using an integrated paleolimnological approach. - In: Goldschmidt Conference, Cologne, Germany, August 2007, Abstracts: A 647.
57. Ognjanova-Rumenova, N.. N. Krstic. 2007. Neogene diatom assemblages from lacustrine sediments of Serbia and their distribution in the correlative formations in South-West Bulgaria and Republic of Macedonia. In: Proceedings of the 1st Central European Diatom Meeting 2007, Kusber, W-H. & Jahn, R (eds.), Berlin-Dahlem, 23-25 March 2007: 121-124.
58. Ognjanova-Rumenova, N., M. Yaneva, G. Nikolov. 2007. Neogene Lake Basins in Southwestern Bulgaria - biostratigraphy, palaeoecology and diatom floristic interrelations. - Geologica Balcanica, 36, 3-4: 59-64. /ISSN 0324-0894/
59. Ognjanova-Rumenova, N., M. Yaneva, I. Botev. 2008. Palaeoecological development of the Sofia Neogene Basin (Southwestern Bulgaria) based on sedimentological and palaeontological evidences. - Geologica Carpathica, 59, 1: 59-70. /Online ISSN 1336-8052; Print ISSN 1335-0552 IF 1.081 (2008)
60. Ognjanova-Rumenova, N., I. Botev. 2008. Use of diatoms as indicators of human impact and climate changes in Bulgarian high mountain lakes. In: Global Environmental change: Challenges to Science and Society in Southeastern Europe, Conference Book, 19-21 May 2008, Sofia.
61. Ognjanova-Rumenova, N., N. Dumurdzhanov. 2008. Neogene diatom biostratigraphy and palaeoecology of the lacustrine sediments of Macedonia. - In: Geologica Macedonica 2, Proceedings of the 1st Geological Congress, Ohrid 2008: 5-20. (in Macedonian).
62. Krstic, N., N. Dumurdzhanov, N. Ognjanova-Rumenova, Z. Markovic. 2008. Central Macedonian Lake with its satellite basins. - In: Geologica Macedonica 2, Proceedings of the 1st Geological Congress, Ohrid 2008: 57-62. (in Macedonian).
63. Ognjanova-Rumenova, N. 2008. Palaeoenvironment and archaeology: the use of diatom analysis in archaeology. - In: Geoarchaeology and archaeomineralogy, Kostov, R., Gaydarska, B. & Gurova, M. (eds.), Proceedings of International Conference 29-30 October 2008, Sofia, Publ. house “St. Iv. Rilski”: 291-294.
64. Krstic, N., N. Dumurdzhanov, D. Mihajlovic, N. Ognjanova, G. Petrov. 2008 Implication of the Mariovo upper Miocene and upper Pliocene palaeogeography to the Balkan Peninsula palaeogeography. - Bulletin de l’Academie serbe des sciences et des arts, Classe des sciences mathematiques et naturalles - Sciences Naturelles, 135, 44: 37-46.
65. Potapova, M.G., Bixby, R., Charles, D.F., Edlund, M.B., Enache, M.E, Furey, P., Hamilton, P.B., Lowe, R.L., Manoylov, K.M., Ognjanova-Rumenova, N., Ponader, K.C., Ren, L., Siver, P.A., Spaulding, S.A., Zalack, J. 2008. Representatives of the genus Aulacoseira Thwaites in NAWQA samples. Eighteenth NAWQA Workshop on Harmonization of Algal Taxonomy, April 27-29, 2007, Report 08-07, (Potapova, M.G. editor), Patrick Center for Environmental Research, The Academy of Natural Sciences, Philadelphia.
66. Manoylov, K.M., Ognjanova-Rumenova, N., Stevenson, J. 2009. Variation in valve morphology of subfossil Aulacoseira species related to changes in palaeoenvironmental conditions in 24 Michigan lakes, U.S.A. - Acta Botanica Croatica, 68 2: 223-241.
67. Ognjanova-Rumenova, N., I. Botev, M. Kernan. 2009. Benthic diatom flora in relation to chemical and physical factors in high mountain lakes in the Rila Mountains (Southwestern Bulgaria). - Advanc. Limnol., 62: 145-158. IF 1.293 (2009)
68. Ognjanova-Rumenova, N., I. Botev, G. Velle, N. Rose, P. Appleby, A. Brancelj, A.Lami, S. Musazzi. 2009. Environmental change in the Rila Mountains, South-West Bulgaria as recorded by the sediments of a remote lake. - Advanc. Limnol., 62: 265-287. IF 1.293 (2009)
69. Catalan, J., M.G. Barbieri, F. Bartumeus, P. Bitusek, I. Botev, A, Brancelj, D. Cogalniceanu, M. Manca, A. Marchetto, N. Ognjanova-Rumenova, S. Pla, M. Rieradevall, S. Sorvari, E. Stefkova, E. Stuchlik, M. Ventura,. 2009. Ecological threasholds in European alpine lakes. - Freshwater Biology, 54: 2494-2517; doi: 10.1111/j.1365-2427.2009.0228.x IF=2.704 (2009)
70. Ognjanova-Rumenova, N., D. Metzeltin, Z. Levkov. 2009. Amphora arcuatoides Ognjanova, Metzeltin & Levkov spec.nov.; Amphora bulgarica Ognjanova, Metzeltin & Levkov spec.nov.; - In: Diatoms of Europe: Diatoms of the European Inland Waters and Comparable Habitats, v 5 - Amphora sensu lato: 36-37; 269-270.
71. Ognjanova-Rumenova, N., K. Buczko. 2010. Taxonomic notes, typification and biostratigraphy of Diploneis carpathorum (Pantocsek) Pantocsek (Bacillariophyta) and one new related species. - Polish Botanical Journal, 55, 1: 165-175.
72. Buczko, K., N. Ognjanova-Rumenova, E. Magyari. 2010. Taxonomy, morphology and distribution of some Aulacoseira taxa in glacial lakes in the South Carpathian region. - Polish Botanical Journal, 55, 1: 149 - 165.
73. Ognjanova-Rumenova, N. 2010. Diatom analysis of Quaternary lake sediments from Lake Bezbog, Pirin Mountains. - Proceedings of International Conference “Geography and Regional Development”, 14-17 October 2010, Sofia: 205-209.
74. Yaneva, M., Ognjanova-Rumenova, N., Shanov, S., Nikolov, G., Nikolov, N. 2010. Characteristic and distribution of the coal bearing sediments in Lom Depression. - Proceedings “Geosciences 2010”, December 2010: 85-86.
75. Ognjanova-Rumenova, N., I. Botev, Y. Vidinova. 2011. Using sediment diatom assemblages to assess the environmental change in high altitude lakes, Rila Mts., Bulgaria. - Phytologia Balcanica, 17, 2: 173-184.
76. Ognjanova-Rumenova, N., Crawford, R. 2012. Morphology and ultrastructure of the fossil freshwater diatom Aulacoseira temperei. - Diatom Research, 27, 3: 107-119. doi:10.1080/0269249X.2012.696495 IF=0.750 (2012)
77. Ognjanova-Rumenova, N. 2012. Diversity, distribution and ecology of diatoms from nine high mountain lakes, Rila National Park (Bulgaria). - In: Proceedings of International Conference Ecology - Interdisciplinary Science and Practice, I: 80-88.
78. Yaneva, M., Ognjanova-Rumenova, N. 2012. Momin brod and Rasovo Members- new lithostratigraphic units of Brusartsi Formation (Late Miocene-Early Pliocene), Lom coal basin, NW Bulgaria. - Comptes rendus de l’Academie bulgare des Sciences, 65, 9: 1239-1249. IF=0.219 (2012)
79. Ognjanova-Rumenova, N. 2013. Произход на диатомеите - догми и доказателства. - В: Вернадски и ХХI век: геосфера, биосфера, ноосфера и симетрия. ИК „Св. Иван Рилски”, София: 64-67.
80. Jovanovska, E., Buczko, K., Ognjanova-Rumenova, N., Nakov, T., Levkov, Z. 2013. Typification of Diploneis ostracodarum, Diploneis budayana and Diploneis praeclara. - Phytotaxa, 137, 1:15-26. IF 1.376 (2013)
81. Nikolov, P., Koleva-Rekalova, E., Yaneva, M., Ognjanova-Rumenova, N. 2013. Neogene in the Varna-Balchik Bay (Palaeontological and stratigraphical notes). - Field trip guide: 5th International Workshop: Neogene from the Central and South-Eastern Europe, RCMNS-Interim Colloquium, Varna 2013, 42pp.
82. Ognjanova-Rumenova, N., Pipik, R., 2013. Reinvestigation of the diatom flora in the Neogene lake system of Central Slovakia - preliminary data. - National Conference with international participation GEOSCIENCES 2013, 12-13 December 2013 г., Sofia, Bulgaria: 83. Ognjanova-Rumenova, N., Rashkova, L., Botev, I., Trichkova, T. 2013. Diversity of benthic diatoms in relation to environmental factors in two Bulgarian reservoirs. - Phytologia Balcanica, 9, 3: 307-322. 75-76.
84. Morales, E., Buczko, K., Wetzel, C., Novais, M., Ognjanova-Rumenova, N., Hoffmann, L., Ector, L. 2014. Transfer of Staurosira grunowii to Staurosirella. - Diatom Research, 29, 1-2М 105-111. IF=1.0 (2013).
85. Cvetkoska, A., Hamilton, P., Ognjanova-Rumenova, N., Levkov, Z. 2014. Observations of the genus Cyclotella (Kutzing) Brebisson in ancient lakes Ohrid and Prespa and a description of two new species C. paraocellata spec. nov. and C. prespanensis spec. nov. - Nova Hedwigia, 98, 3-4: 313-340. IF 0.989 (2013)
86. Грозева С., Тричкова, Т., Любомиров, Т., Огнянова, Н., Пиларска, Д., Иванов, Д., Симов, Н., Часовникарова, Ц. 2014. Климатичните промени и влиянието им върху биологичното разнообразие и екосистемите: Законодателство и научни изследвания в Европа и България.- В: (Р. Русев, ред.) Предизвикателства: Изследвания за околна среда, условия, флора и фауна, климатични и други промени, местообитания, лов, ловна и друга дейност и отражения, Том 1, Български Ловно Рибарски Съюз, София: 13-36.
87. Ognjanova-Rumenova, N. 2014. Cyclotella metochia, a new fossil species from the Metohia Neogene Basin, the Balkan Peninsula. - Nova Hedwigia, Beiheft 143: 53-62.
88. Buczko, K., Ognjanova-Rumenova, N., Magyari, E., Morales, E., Wojtal, A., Magyar, I., Ector, L. 2014. Structure, biostratigraphy and distribution of Navicula haueri Grunow, a Miocene diatom (Bacillariophyta) from the Carpathian Realm - Nova Hedwigia, Beiheft 143: 369-379.
89. Wojtal, A., Ognjanova-Rumenova, N., Wetzel, C.E., Hinz, F., Piatek, J., Kapetanovic, T., Buczko, K. 2014. Diversity of the genus Genkalia in high altitude lakes - taxonomy, distribution and ecology. - Fottea, Olomouc, 14, 2: 225-239. IF 1.623 (2013)
90. Rundic, L., Ognjanova-Rumenova, N., Knezevic, S. 2014. The first finding of the siliceous microfossils near the Sarmatian/Pannonian boundary of Fruska Gora (Central Paratethys, Serbia). - Buletini i Shkencave Gjeologjike, Spec. Issue Proceedings XX Congress of the CBGA, September 24-26, 2014, Tirana, Albania: 83-86.
91. Yaneva, M., Ognjanova-Rumenova, N. 2014. Diatom biostratigraphic synthesis related with palaeoenvironment in Gotse Delchev Neogene Basin, SW Bulgaria. - Buletini i Shkencave Gjeologjike, Spec. Issue Proceedings XX Congress of the CBGA, September 24-26, 2014, Tirana, Albania: 96-99.
92. Ognjanova-Rumenova, N., Pipik, R. (in press) Stratigraphic significance of siliceous microfossils collected from the Turiec Basin, Western Carpathians (Slovakia). - Acta Botanica Croatica IF
93. Ognjanova-Rumenova, N., Jovanovska, E., Cvetkoska, A., Levkov, Z. (in press). - Two new Tertiarius (Bacillariophyta, Coscinodiscophyceae) species from Mariovo Neogene Basin, Macedonia. - Fottea IF
94. Manoylov, K. M., Hamilton, P., Ognjanova-Rumenova, N., Edlund, M., Morales, E. and Ponader, K. (in press). Cymbella affinis Kutzing species complex (Bacillariophyceae) from rivers in the United States. Sixteenth NAWQA Workshop on Harmonization of Algal Taxonomy Report (Morales E. A. editor). - Chapters in US Geological Survey taxonomic reports
95. Ognjanova-Rumenova, N. (in press) On Stratigraphy of the Middle Miocenian Deposits in the Island of the Durankulak lake, North-Eastern Bulgaria. In: Durankulak, 3.
96. Ognjanova-Rumenova, N., D. Zaprjanova. (in press) Environmental changes reflected by siliceous microfossils in Holocene deposits from Sozopol bay, Southern Bulgaria. - Thracia Pontica, VII.
97. Ognjanova-Rumenova, N. (in press). On the Holocene palaeoenvironmental history in the Bay of Sozopol, Bulgarian Black Sea coast. - Journal of Environmental Micropaleontology, Microbiology and meiobenthology.

Book editing
Ognjanova-Rumenova, N., Manoylov, K. (editors) 2006. Advances in Phycological Studies. PenSoft and Sofia University Press, Sofia/Moscow, pp.

Last modified: November 28,2014