- Miyazawa, K. and Ohmura, Y. 2024. Symbiotic relationships and dispersal modes of foliicolous lichens with chlorococcoid photobionts in Japan. 12th International Mycological Congress (IMC12), 11-15 August 2024, Maastricht.
- Dohi, T., Iijima, K., Machida, M., Suno, H., Ohmura, Y., Fujiwara, K., Kimura, S., Kanno, F. 2022. Microscale localisation of radiocaesium in lichen thalli. 14th International Symposium on Nuclear and Environmental Radiochemical Analyasis: ERA14, York, UK, 12 to 15 Sep.
- Miyazawa, K., Ohmura, Y., Chaki, M., Okane, I. and Yamaoka, Y. 2022. A taxonomic study of Byssoloma subdiscordans (Pilocarpaceae, lichenized Ascomycota) in Japan. Asian Mycological Congress 2021 (AMC2021), Pathum Thani, Thailand, August 3–5.
- Ohmura, Y. and Lendemer, J. C. 2021DTrouble with lichen microcrystal tests. Mini workshop coordinated by the National Museum of Nature and Science and New York Botanical Garden, online, 17 December 2021.
- Ohmura, Y. 2021. Ayurvedic Lichens. India-Japan Webinar on 6th Ayurveda Day Celebrations: "Finding Ayurveda in Japan- Perceptions, People and Practice in Nutrition, and control of Lifestyle Disorders." 2 November 2021.
- Dohi, T., K. Fujiwara, Y. Ohmura, H. Tagomori, K. Iijima, and A. Kitamura. 2019. Retention of radiocaesium particle in Parmelioid lichens. 32nd Congress of Italian Lichen Society, Bologna, Italy, September 18-19, 2019.
- Ohmura, Y., Aung, M. M., and Tanaka, N. 2018. Inventory of lichens in Myanmar. International Symposium "Updating of flora and fauna of Myanmar". December 13. Yezin. Abstracts p. 25.
- Dohi, T., Tagomori, H., Ohmura, Y., Fujiwara, K., Kanaizuka, S. and Iijima, K. 2018. Electron microscopic analysis of the radiocaesium micro particles on lichens collected around the Fukushima Di-ichi NPP. 13th International Symposium on Nuclear and Environmental Radiochemical Analysis: ERA13. Cambridge, September 17-20.
- Iijima, K., Koma, Y., Niizato, T., Dohi, T., Ohmura, Y., Sasaki, T. and Nanba, K. 2018. Estimation of radioactive nuclide distribution at NPS site developing model based on analytical data of on- and off-site. The 3rd International Forum on the Decommissioning of the Fukushima Daiichi Nuclear Power Station, August 5-6, Iwaki-city, Fukushima.
- Ohmura, Y. 2017. Lichens in a changing environment. National Museum of Nature and Science International Symposium 2017 –Fungi with Plants, Animals and Human beings-. Tokyo, November 10-12.
- Dohi, T., Iijima, K., Ohmura, Y., Fujiwara, K. and Kikuchi, N. 2017. Application of lichens to evaluate distribution of radionuclides nearby the Fukushima Dai-ichi Nuclear Power Station. ICOBTE 2017. Zhurich July 16-20.
- Ohmura, Y. 2016. Elucidation of species in the genus Usnea (Parmeliaceae, lichenized Ascomycota) in eastern Asia using ITS rDNA. The 8th IAL Symposium. Helsinki, Finland, August 1-5. Abstract p.119.
- Ludwig, L., Summerfield, T., Lord, J., Orlovich, D., Kantvilas, G., Wilk, K. & Ohmura, Y. 2016. A molecular-genetic reassessment of the phylogeny of the lichen genus Icmadophila Trevis. The 8th IAL Symposium. Helsinki, Finland, August 1-5. Abstract p.168.
- Dohi, T., Ohmura, Y., Fujiwara, K., Kikuchi, N. & Iijima, K. 2016. Preliminary investigation of elemental compositions in the particles on Parmotrema tinctorum collected around the Fukushima Dai-ichi Nuclear Power Plant. The 8th IAL Symposium. Helsinki, Finland, August 1-5. Abstract p.189.
- Ohmura, Y., Uno, K., Hosaka, K., & Hosoya, T. 2014. DNA fragmentation of herbarium specimens of lichens, and significance of epitypification for threatened species of Japan. The 10th International Mycological Congress, Bangkok, Thailand, 3-9 August. Abstract, p. 151.
- Abe, J. P., Hosaka, K., Ohmura, Y., Kasuya, T. & Kakishima, M. 2014. Biomonitoring of radiocesium in wild mushrooms, lichens, and plant pathogenic fungus collected between Ibaraki and Fukushima Prefecture after the Fukushima nuclear accident. The 10th International Mycological Congress, Bangkok, Thailand, 3-9 August. Abstract, p. 561.
- Weerakoon, G., Aptroot, A., Ohmura, Y., Parnmen, S., Nelson, M. P., Blanchan, D., Lücking, R. & Lumbsch, T. 2013. One hundred and sixty eight new lichen records for Sri Lanka (excluding Graphidaceae), a signature of undocumented lichen diversity in South Asia. BLS International Symposium, University of Nottingham, Nottingham, UK, 10-11 January 2014.
- Ohmura, Y. 2013. Does Usnea kill trees? 2013 International symposium of Bryophyte and lichen diversity. 6 October 2013, Taichung. Abstract, p. 8-9.
- Ohmura, Y., Hosaka, K., Abe, P. J., Kasuya, T. & Kakishima, M. 2013. Monitoring of radiocesium in lichens and mushrooms after Fukushima NPP accident in Tsukuba, Japan. Asian Mycological Congress -AMC 2013, Beijing, 19-23 August.
- Abe, P. J., Hosaka, K., Ohmura, Y. & Kakishima, M. 2013. Can plant pathogenic fungi accumulate high concentration of radiocesium? Asian Mycological Congress -AMC 2013, Beijing, 19-23 August.
- Abe, J. P., Hosaka, K., Ohmura, Y., Kasuya, T. & Kakishima, M. 2013. Environmental biomonitoring of radiocesium accumulation by mycorrhizal and saprobic fungi collected in an area with lower fallout after the accident in Fukushima I NPP. 7th International Conference on Mycorrhiza, New Delhi, 6-11 January 2013.
- Clerc, P., Herrera-Campos, M. A., Ohmura, Y. & Truong, C. 2012. Towards a world checklist of the genus Usnea Adans. Parmeliaceae Workshop in IAL7, Bangkok, 10 January.
- Divakar, P. K., Lumbsch, T., Wedin, M., Bjerke, J., McCune, B., Kauff, F., Roca-Valiente, B., Nuñez-Zapata, J., Del-Prado, R., Ruibal, C., Amo de Paz, G., Cubas, P., Ohmura, Y., Leavitt, S., Kristin Kolstø, T., Elix, J. A., Esslinger, T. L., Ahti, T., Benatti, M. N., Buaruang, K., Candan, M., Clerc, P., Egan, R. S., Gavilán, R., Gueidan, C., Hawksworth, D. L., Hur, J.-S., Kantvilas, G., Mattsson, J. E., Miadlikowska, J., Molina, M. C., Millanes, A., Nelsen, M., Randlane, T., Rico, V. J., Saag, A., Schmitt, I., Sipman, J. M. H., Sohrabi, M., Thell, A., Truong, C., Upreti, D. K. & Crespo, A. 2012. Multilocus phylogeny and classification of Parmeliaceae (Ascomycota) derived from PARSYS-10. The 7th IAL Symposium, Bangkok, 9-13 January. Abstract p. 30.
- Roca-Valiente, B., Divakar, P. K., Ohmura, Y. & Crespo, A. 2012. Parmotrema tinctorum and P. pseudotinctorum (Parmeliaceae, Ascomycota) two supported species. The 7th IAL Symposium, Bangkok, 9-13 January. Abstract p. 110.
- Kono, M., Ohmura, Y. & Satta, Y. 2012. Gene expression in dry and wet thalli of Usnea bismolliuscula. The 7th IAL Symposium, Bangkok, 9-13 January. Abstract p. 91.
- Ohmura, Y., Hosaka, K., Kasuya, T., Matsumoto, H., Abe, J. P. & Kakishima, M. 2012. Concentration of radioisotopes in lichens before and after Fukushima NPP accident in Japan. The 7th IAL Symposium, Bangkok, 9-13 January. Abstract p.146.
- Hosaka, K., Ohmura, Y., Kasuya, T., Matsumoto, H., Abe, J. P., & Kakishima, M. 2011. Concentration of radioisotopes in mushrooms and lichens collected in University of Tsukuba, Japan. Asian Mycological Congress -AMC 2011, Incheon, 7-11 August. Abstraqct p. 220.
- Kono, M., Ohmura, Y. & Satta, Y. 2011. Identification of genes expressed in lichen-symbiosis. Society for molecular biology and evolution. Kyoto, Japan, 26-30 July.
- Ohmura, Y., 2010. Evolution of lichens and the relationship with photobionts. East Asian Botany, International Symposium 2011. Tsukuba, Japan, 18-20 March.
- Ohmura, Y. 2009. Lichens: evolutionary relationship between lichenized fungi and algae. National Museum of Nature and Science International Symposium 2009, Tokyo, Japan, 21-23 Nov. Abstract pp.32-33.
- Hosoya, T., Hosaka, T., Ohmura Y. 2009. "The Wonders of Fungi–mushrooms, molds, and their associates–", a historical special exhibition presented in the National Museum of Nature and Science, Japan. Asian Mycological Congress 2009 (Taiwan). pp.99.
- Ohmura, Y. 2008. DGGE analysis suggests the occurrence of photobiont exchange in a vegetatively reproducing lichen. The 6th IAL symposium and annual ABLS meeting, Asilomar, CA, USA, 13-19 July. Abstract p. 50-51.