Goro Kokubugata
- Umemoto, H., C.-H. Park, C.-X. Fu, T. Ito, M. Yokota, G. Kokubugata, 2016. Taxonomic reconsideration of Celtis biondii var. insularis in the Miyako Island Group of the Ryukyus based on morphological and molecular data. The Journal of Phytogeography and Taxonomy 63: 67-75.
- Kokubugata, G., H. Kato, D. Iamonico, H. Umemoto, T. Ito, K. Nakamura, N. Murakami and M. Yokota, 2015. Taxonomic reexamination of Portulaca boninensis (Portulacaceae) in the Bonin (Ogasawara) Islands of Japan using molecular and morphological data. Phytotaxa 217: 279–287.
- Nakamura, K., T. Denda, G. Kokubugata, C.-J. Huang, C.-I Peng & M. Yokota, 2014. Phylogeny and biogeography of the Viola iwagawae-tashiroi species complex (Violaceae, section Plagiostigma) endemic to the Ryukyu Archipelago, Japan. Plant Systematics and Evolution 300: 337-351.
- Ito, T, R. Chen, Q. Yang, Y. Saito, M. Yokota & G. Kokubugata, 2014. Taxonomic reexamination of Sedum formosanum (Crassulaceae) in Japan, Taiwan and the Philippines based on molecular data. Journal of Phytogeography and Taxonomy 62: 1-9.
- Ito, T, K. Nakamura, C.-H. Park, G.-P. Song, A. Maeda, Y. Tanabe & G. Kokubugata, 2014. Nuclear and plastid DNA data confirm that Sedum tosaense (Crassulaceae) has a disjunct distribution between Pacific mainland Japan and Jeju Island, Korea. Phytotaxa. 177: 221-230.
- Nakamura, K., R. R. Rubite, G. Kokubugata, Y. Kono, M. Yokota & C.-I Peng, 2013. Limonium wrightii (Plumbaginaceae) from Batanes, the Philippines: a new generic record for Malesia. Phytotaxa 152: 56–58.
- Kokubugata, G., K. Nakamura, Y. Hirayama & M. Yokota, 2013.Taxonomic reconsideration of Portulaca okinawensis (Portulacaceae) in the Ryukyus Archipelago based on morphological and molecular data. Phytotaxa 117: 11-22.
- Kokubugata, G., Y. Saito, K. Nakamura, A. Lopez-Feliciano, M. L. Labuguen & Y. Hirayama & M. Yokota, 2013. Migration of Lobelia zeylanica (Campanulaceae) from Taiwan to the Ryukyu Archipelago Inferred from Chloroplast DNA Data. Bulletin National Museum of Nature and Science, Ser. B 39: 95-100.
- Kokubugata, G. & M. Yokota, 2012. Host specificity of Cassytha filiformis and C. pergracilis (Lauraceae) in the Ryukyu Archipelago. Bulletin National Museum of Nature and Science, Ser. B 38: 47-53.
- Kokubugata, G.*, K. Nakamura, P. I. Forster, G. W. Wilson, A. E. Holland, Y. Hirayama & M. Yokota, 2012. Cassytha pubescens and C. glabella (Lauraceae) are not disjunctly distributed between Australia and the Ryukyu Archipelago of Japan - evidence from morphological and molecular data. Australian Systematic Botany 25: 364-373.
- Kokubugata, G., K. Nakamura, P. I. Forster, Y. Hirayama & M. Yokota, 2012. Antitropical distribution of Lobelia species (Campanulaceae) between the Ryukyu Archipelago of Japan and Oceania as indicated by molecular data. Australian Journal of Botany 60: 417-428.
- Nakamura K, K.F. Chung, C.J. Huang, Y. Kono, G. Kokubugata & C.I Peng, 2012. Extreme habitats that emerged in the Pleistocene triggered divergence of weedy Youngia (Asteraceae) in Taiwan. Molecular Phylogentics and Evolusion 63: 486-99.
- Kokubugata, G. & M. Yokota, 2012. Host specificity of Cassytha filiformis and C. pergracilis (Lauraceae) in the Ryukyu Archipelago. Bulletin National Museum of Nature and Science, Ser. B 38: 47-53.
- Nakamura, K., T. Denda, G. Kokubugata, P. I. Forster, G. W. Wilson, C. Peng, M. Yokota, 2011. Molecular phylogeography reveals an antitropical distribution and local diversification of Solenogyne (Asteraceae) in the Ryukyu Archipelago of Japan and Australia. The Biological Journal of the Linnean Society 105: 197-217.
- Kokubugata, G., T. Kurihara, Y. Hirayama & K. Obata, 2011. Molecular evidence for a natural hybrid origin of Ajuga ~ mixta (Lamiaceae) using ITS sequences. Bulletin National Museum of Nature and Science, Ser. B 37: 175-179.
- Kokubugata, G., M. Yokota & M. Kato, 2010. Note on the taxonomy, biogeography and conservation of endangered plant spices in the Ryukyus. Korean Journal of Plant Taxonomy 40: 193-201.
- Saito, Y., M. Yokota & G. Kokubugata, 2010. Comparison of ribosomal DNA distribution patterns on somatic Chromosomes between Aster miyagii and Erigeron thunbergii (Asteraceae). Bulletin National Museum of Nature and Science, Ser. B 36: 13-20.
- Nakamura, K., T. Denda, G. Kokubugata, R. Suwa, T.Y. A. Yang C.-I Peng & M. Yokota, 2010. Phylogeography of Ophiorrhiza japonica (Rubiaceae) in continental islands, the Ryukyu Archipelago, Japan. Journal of Biogeography 37: 1907-1918.
- Kokubugata, G.,K. Nakamura, W. Shinohara, Y. Saito, C.-I Peng & M. Yokota, 2010. Evidence of three parallel evolutions of leaf dwarfism and phytogeography in Lysimachia sect. Nummularia in Japan and Taiwan. Molecular Phylogenetics and Evolution 54: 657-663.
- Saito, Y., T. Iwashina, C.-I Peng, G. Kokubugata, 2009. Taxonomic reconsideration of Disporum luzoniense (Liliaceae s.l.) using flavonoid characters. Blumea 54: 59-62.
- Kokubugata, G., Y. Saito, M. Ogawa & M. Yokota, 2008. Ribosomal DNA distribution patterns on somatic chromosomes of diploid species in three sections in Genus Aster (Asteraceae). Bulletin National Museum of Nature and Science, Ser. B 34: 153-159.
- Möller, M., G. Kokubugata & K. Jong, 2008. Aspects of genome evolution in Gesneriaceae: patterns of 45S-nrDNA site evolution based on evidence from fluorescent in situ hybridization (FISH). International Journal of Plant Sciences: 169: 667-676.
- Sangin, P., P. I. Forster, M. Mingmuang & Kokubugata, G. 2008. A phylogeny for two cycad families (Stangeriaceae and Zamiaceae) based on chloroplast DNA sequences. Bulletin National Museum of Nature and Science, Ser. B 34: 75-82.
- Denduangboripant, J., Q. C. B. Cronk, G. Kokubugata & M. Moller. 2007. Variation and inheritance of nuclear ribosomal DNA clusters in Streptocarpus (Gesneriaceae) and its biological and phylogenetic implications. International Journal of Plant Sciences 168: 445-467.
- Saito, Y., G. Kokubugata & M. Möller, 2007. Molecular evidences for a natural hybrid origin of Doellingeria ~ sekimotoi (Asteraceae) using ITS and matK sequences. International Journal of Plant Sciences 168: 469-476.
- Kokubugata, G., D. A. Madulid & C.-I Peng, 2007. Note on Lysimachia (Primulaceae) in the Philippines and Taiwan. Memoirs of National Science Museum, Tokyo 45: 121-125.
- Kokubugata, G., P. D. Bostock & P. I. Forster, 2006. A cytotaxonomic study of four species of Pellaea section Platyloma (J. Sm.) Hook. & Baker (Adiantaceae) from Australia. Austrobaileya 7: 341-345.
- Nakamura K., S.-W. Chung, G. Kokubugata, T. Denda & M. Yokota, 2006. Phylogenetic systematics of the monotypic genus Hayataella (Rubiaceae) endemic to Taiwan. Journal of Plant Research 119: 657-661.
- Saito, Y., M. Möller, G. Kokubugata, T. Katsuyama, W. Marubashi & T. Iwashina, 2006. Molecular evidence for repeated hybridization events involved in the origin of the genus ~ Crepidiastrixeris (Asteraceae) using RAPDs and ITS data. Botanical Journal of Linnean Society (London) 151: 333-343.
- Kokubugata, G., C.-I Peng, D. A. Madulid, 2006, Investigation on the Chromosome Number of Lobelia nummularia (Campanulaceae) in Taiwan and the Philippines. Annuls of Tsukuba Botanical Garden 25: 7-10.
- Saito, Y. & G. Kokubugata, 2006. Mapping 45S ribosomal DNA on somatic chromosomes of two Disporum species (Liliaceae) in Japan. Annuls of Tsukuba Botanical Garden 25: 11-16.
- Kokubugata, G., C.-I Peng, Y. Saito, M. Yokota & S. Kobayashi, 2006. Taxonomic Reconsideration of Lysimachia ardisioides (Primulaceae) from Taiwan. Memoirs of National Science Museum, Tokyo 44: 135-140.
- Kokubugata, G. & Y. Saito, 2006. Phylogenetic and Biogeographic Study of Crepidiastrum platyphyllum (Compositae) in the Coastal Area of Sagami Sea, Japan. National science Museum Monographs 42: 59-66.
- Kokubugata, G., K. Kondo & I. V. Tatarenko, 2005. A list of herbarium specimens collected from Russia in the expeditions of 2002, 2003 and 2005. Annuls of Tsukuba Botanical Garden 24: 71-98.
- Saito, Y., G. Kokubugata, K. Kondo, I. V. Tatarenko & P. V. Kulikov, 2005. Distribution patterns of 45S ribosomal DNA sites on somatic chromosomes of three subspecies of Inula britannica (Asteraceae) in Japan and Russia. Annuls of Tsukuba Botanical Garden 24: 63-69.
- Kokubugata, G., C.-I Peng & M. Yokota, 2004. Comparison of karyotypes among three Heloniopsis species (Liliaceae) from Ryukyu Archipelago and Taiwan. Annuls of Tsukuba Botanical Garden 23: 13-16.
- Saito, Y., G. Kokubugata & M. Möller, 2004. Evidence for the correlation between rDNA variation and satellite heteromorphy in somatic chromosome complements of Lobelia fulgens eQueen Victoriaf (Subfamily Lobelioïdeae, Family Campanulaceae). Annuls of Tsukuba Botanical Garden 23: 5-12.
- Kokubugata, G., K. Kondo & S. Matsumoto, 2004. Different size of total chromosome lengths in two diploid species of Artemisia (Asteraceae) in Japan. Annuls of Tsukuba Botanical Garden 23: 1-4.
- Saito, Y, & G. Kokubugata, 2004. Comparison of karyotype and number of 5S ribosomal DNA sites on somatic chromosomes in Aster ~ sekimotoi and speculation of its parental species (Asteraceae) Chromosome Science 8: 103-107.
- Kokubugata, G., A. P. Vovides & K. Kondo. 2004. Mapping 5S ribosomal DNA on somatic chromosomes of four species of Ceratozamia and Stangeria eriopus (Cycadales). Botanical Journal of Linnean Society (London) 145: 499-504.
- Kokubugata, G. & C.-I Peng, 2004. Comparison of floral morphologies in Conandron ramondioides (Gesneriaceae) from Japan and Taiwan. Edinburgh Journal Botany 61: 21-31.
- Kokubugata, G., K., Kondo, I. V. Tatarenko, P. V. Kulikov, V. P. Verkholat, A. Gontcharov, H. Ogura, F. Tsuneo, Y. Hoshi & R. Suzuki. 2003. Diploid cytotypes in three species of Aster sensu lato (Asteraceae) from Primorye Territory, Russia. Chromosome Science 7: 23-28.
- Saito, Y., G. Kokubugata, T. Katsuyama, W. Marubashi, T. Iwashina, 2003. Cytological comparisons of somatic chromosomes in Crepidiastrixeris denticulato-platyphylla and its estimated parent species (Asteraceae). Chromosome Science 7: 43-48.
- Kokubugata, G., Hill & K. Kondo, 2002. Ribosomal DNA distribution in somatic chromosomes of Stangeria eriopus (Stangeriaceae, Cycadales) and molecular-cytotaxonomical relationships to the other cycad genera. Brittonia 51: 1-4.
- Kokubugata, G., K. D. Hill & K. Kondo, 2002. Comparison of 5S ribosomal DNA sites on somatic chromosomes of eight species in Cycas (Cycadaceae). Chromosome Science 6: 41-46.
- Kokubugata, G., K. D. Hill & K. Kondo, 2002. Chromosomal characters of two species of Cycas (Cycadaceae, Cycadales). Annuls of Tsukuba Botanical Garden 21: 139-141.
- Kokubugata, G., 2002. Notes on species of Gesneriaceae common to both the Ryukyus and Taiwan. Proc. Symposium on Collection Building and Natural History Studies in Asia. National science Museum Monographs 22: 137-146.
- Kokubugata, G., K. D. Hill, G. W. Wilson, K. Kondo & L. M. Randall, 2001. A comparison of chromosome number and karyotype in somatic chromosomes of Bowenia and Stangeria (Stangeriaceae, Cycadales). Edinburgh Journal of Botany 58: 475-481.