Okihito YANO (Ph.D.)

Laboratory of Systematic Botany
Department of Biosphere-Geosphere Science,
Faculty of Biosphere-Geosphere Science, Okayama University of Science,
Ridai-cho 1-1, Kita-ku, Okayama-shi, Okayama 700-0005 JAPAN
e-mail: oki-yano [at] ous.ac.jp
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Education and Experience
2003. B.S., Department of Biosphere-Geosphere System Science, Faculty of Informatics, Okayama University of Science
2005. M.S., Department of Biosphere-Geosphere System Science, Graduate School of Informatics, Okayama University of Science
2008. Ph.D., Department of Mathematical and Environmental System Science, Graduate School of Informatics, Okayama University of Science
2008 - 2010. Part-time Assistant, Faculty of Liberal Arts and Science, Kitasato University
2010 - 2012. Part-time Lecturer, Faculty of Health and Nutrition, Bunkyo University
2010 - 2013. Part-time Lecturer, Faculty of Education, Tokyo Gakugei University
2010 - 2013. Postdoctoral Fellow, The University Museum, The University of Tokyo
2012 - 2013. Part-time Lecturer, Faculty of Education and Integrated Arts and Sciences, Waseda University
2013 - 2015. Assistant Professor, Department of Biosphere-Geosphere Science, Faculty of Bio-Geosphere Science, Okayama University of Science
2015 - Present. Lecturer, Department of Biosphere-Geosphere Science, Faculty of Bio-Geosphere Science, Okayama University of Science
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Research Interests
I am working on the plant taxonomy and phylogeny, based on morphological, molecular, cytological data. Currently, my research is focused on the diversification and evolution of flowering plants, mainly Cyperaceae (sedges family), ranged from Japan to the Himalayas through China. Cyperaceae is one of the most diversified group in flowering plants, and is suitable for studies of plant systematic and evolution. I have conducted molecular phylogenetic and cytological studies of some Asian species, and clarified the relationships between phylogeny and chromosomal variation of Cyperaceae.
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Publications
◆Peer-reviewed Publications 　 | My Citations | ResearchGate |

  • Kubo T, Matsumoto TK, Miyazaki Y, Yano O* (2024) Pollinators of Arisaema nambae (Araceae), endemic to Okayama and Hiroshima Prefectures, Western Japan. Journal of Asia-Pacific Biodiversity 17(1): 191-195. https://doi.org/10.1016/j.japb.2023.11.001 NEW!!

  • Yano O*, Ohnishi W, Katsuyama T, Hoshino T (2024) Two new species of Carex, C. satsumasendaica and C. shimizui (Cyperaceae), from Kagoshima Prefecture, Japan. Journal of Japanese Botany 99(1): 16-24. NEW!!

  • Yano O*, Inoue N (2023) Rhynchospora recognita (Gale) Kral (Cyperaceae), newly naturalized in Japan. Journal of Japanese Botany 98(5): 272-275. (In Japanese with English abstract) DOI: https://doi.org/10.51033/jjapbot.ID0177 NEW!!

  • Takahashi TK, Oda J, Fuse S, Yano O, Lu Y-F, Jin X-F, Tamura MN (2023) Biosystematic studies of Carex (Cyperaceae) III. Phylogenetic analyses of the Carex filipes complex (sect. Paniceae) in East Asia, with reference to morphology, karyology and taxonomy. Acta Phytotaxonomica et Geobotanica 74(2): 71-103. DOI: https://doi.org/10.18942/apg.202305 NEW!!

  • Yano O*, Shutoh K, Kato Y, Ikeda H (2022) Lectotypification of Carex (Cyperaceae) described by Shigeo Akiyama in the Herbarium of Hokkaido University Museum (SAPS) (1). Journal of Japanese Botany 97(3): 156-166. DOI: https://doi.org/10.51033/jjapbot.97_3_11170

  • Yano O*, Shiga T, Khaliunaa K, Baasanmunkh S, Oyuntsetseg B, Choi HJ (2021) A new record of Carex capricornis (Cyperaceae) from Mongolia. Journal of Japanese Botany 96(4): 238-241.

  • Lu Y-F, Jin X-F, Ikeda H, Yano O, Benítez-Benítez CC, Chen W-J, Liu Y-D, Jiménez-Mejías P, Yu M-J. (2021) Revisiting of Carex sect. Confertiflorae s.l. (Cyperaceae): new data from molecular and morphological evidence and first insights on Carex biogeography in East Asia. Journal of Systematics and Evolution 59(4): 668-686. DOI: https://doi.org/10.1111/jse.12795

  • Benítez-Benítez C, Martín-Bravo S, Bjora CS. Gebauer S, Hipp AL, Hoffmann MH, Luceño M, Pedersen TM, Reznicek AA, Roalson E, Volkova P, Yano O, Spalink D, Jiménez-Mejías P. (2021) Geographical vs. ecological diversification patterns in Carex section Phacocystis (Cyperaceae): patterns hidden behind a twisted taxonomy. Journal of Systematics and Evolution 59(4): 642-667. DOI: https://doi.org/10.1111/jse.12731

  • Torimaru Y, Ohi-Toma T, Yano O* (2021) A new hybrid, Schoenoplectiella x naritaensis nothovar. bizenensis (Cyperaceae), from Okayama Prefecture, Western Japan. Acta Phytotaxonomica et Geobotanica 72(2): 125-134. DOI: https://doi.org/10.18942/apg202014.

  • Yamaji Y, Yano O* (2020) Feeding damage to native plants by red-eared slider turtles, Trachenys scripta elegans (Emydidae), in Okayama Prefecture, Western Japan. Current Herpetology 39(2): 98-107. DOI: https://doi.org/10.5358/hsj.39.98

  • Larridon I, Tanaka Nr, Liang Y, Phillips S, Barfod AS, Cho SH, Gale S, Jobson R, Kim YD, Li J, Muasya AM, Parnell J, Prajaksood A, Shuto K, Souladeth P, Tagane S, Tanaka Nb, Yano O, Mesterhazy A, Newman M. Ito Y (2019) First molecular phylogenetic insights into the evolution Eriocaulon (Eriocaulaceae, Poales). Journal of Plant Research 132(5): 589-600. DOI: https://doi.org/10.1007/s10265-019-01129-3

  • Mizusawa L, Ishikawa N, Yano O, Fujii S, Isagi Y (2019) Geographic distribution of ploidy levels and chloroplast haplotypes in Japanese Clerodendrum trichotomum s. lat. (Lamiaceae). Acta Phytotaxonomica et Geobotanica 70(2): 87-102. DOI: https://doi.org/10.18942/apg.201823

  • Ito Y, Tanaka Nr, Barfod AS, Bogner J, Li J, Yano O, Gale S. (2019) Molecular phylogenetic species delimitation in the aquatic plant genus Ottelia (Hydrocharitaceae) reveals cryptic diversity within a widespread species. Journal of Plant Research 132(3): 335-344. DOI: https://doi.org/10.1007/s10265-019-01109-7

  • Yano O, Shimizu A, Ikeda H (2018) Lectotypification of Cyperaceae in the Herbarium of the University of Tokyo (TI) I: Twenty-five Taxa of Carex and Diplocarex. Journal of Japanese Botany 63(6): 361-383. Abstract

  • Tanaka Nr, Yano O, Aung MM (2017) Newly recorded aquatic plants from Myanmar. Bulletin of the National Museum of Nature and Science, Series B (Botany) 43(4): 99-103. PDF

  • Ito Y, Tanaka Nr, Gale S, Yano O, Li J (2017) Phylogeny of Najas (Hydrocharitaceae) revisited: Implications for systematics and evolution. Taxon 66(2): 309-323. DOI: https://doi.org/10.12705/662.2

  • Global Carex Group (Pham KK, Hahn M, Lueders K, Brown BH, Bruederle LP, Bruhl JJ, Chung KS, Derieg NJ, Escudero M, Ford BA, Gebauer S, Gehrke B, Hoffmann MH, Hoshino T, Jiménez-Mejías P, Jung J, Kim S, Luceño M, Maguilla E, Martín-Bravo S, Naczi RFC, Reznicek AA, Roalson EH, Simpson DA, Starr JR, Villaverde T, Waterway MJ, Wilson KL, Yano O, Zhang SR, Hipp AL) (2016) Specimens at the center: An informatics workflow and toolkit for specimen-level analysis of public DNA database data. Systematic Botany 41(3): 529-539. DOI: 10.1600/036364416X692505

  • Yano O, Ito Y, Tanaka Nr (2016) Molecular evidence for a natural hybrid between Isolepis crassiuscula and I. lenticularis (Cyperaceae) in New Zealand. New Zealand journal of Botany 54(4): 433-445. DOI: 10.1080/0028825X.2016.1205106

  • Ito Y, Viljoen J, Tanaka Nr, Yano O, Muasya AM (2016) Phylogeny of Isolepis (Cyperaceae) revisited: non-monophyletic nature of I. fluitans sense lato and resurrection of I. lenticularis. Plant Systematics and Evolution 302(2): 231-238. DOI: 10.1007/s00606-015-1253-7

  • Yano O, Fuse S, Fujiki T, Tamura MN, Yago M, Sueyoshi M, Yang YP, Ikeda H (2015) Insect Pollination of Carex (Cyperaceae) from Yunnan, SW China. Journal Japanese Botany 90(6): 407-412. PDF

  • Yano O, Ikeda H, Pendry CA, Rajbhandari KR (2015) Cytological studies on Cyperaceae in the Nepal Himalaya III. Chromosome counts of 18 species collected from Api Himal and adjacent areas, far western Nepal. Journal Japanese Botany 90(4): 249-259. PDF

  • Global Carex Group (Waterway MJ, Ford KA, Luceño M, Martín-Bravo S, Starr JR, Wilson KL, Yano O, Zhang SR, Roalson EH: Alverson WS, Bruederle LP, Bruhl JJ, Chung KS, Cochrane TS, Escudero M, Ford BA, Gebauer S, Gehrke B, Hahn M, Hipp AL, Hoffmann MH, Hoshino T, Jiménez-Mejías P, Jin XF, Jung J, Kim S, Maguilla E, Masaki T, Míguez M, Molina A, Naczi RFC, Reznicek AA, Rothrock PE, Simpson DA, Spalink D, Thomas WW, Villaverde T)(2015) Making Carex monophyletic (Cyperaceae, tribe Cariceae): a new broader circumscription. Botanical Journal of the Linnean Society 179(1): 1-42. DOI: 10.1111/boj.12298
    • Jin XF, Ikeda H, Yano O, Chen WJ, Zhou YY (2015) Carex staintonii, a new species of Cyperaceae from Nepal. Journal of Japanese Botany 90(2): 109-114. PDF

    • Tanaka K, Yamawo A, Yano O (2015) Seed dispersal by ants in Carex oxyandra var. oxyandra (Cyperaceae) from Japan. Journal of Japanese Botany 90(2): 129-133. PDF

    • Yano O, Katsuyama T, Ikeda H, Pendry CA, Rajbhandari KR (2015) A new record of Eleocharis uniglumis (Link) Schult. (Cyperaceae) from Nepal. Journal of Japanese Botany 90(1): 58-60. PDF

    • Yano O, Katsuyama T, Ikeda H, Watson MF, Rajbhandari KR (2014) Author citation for Carex henryi (Cyperaceae) revisited. Journal of Japanese Botany 89(4): 262-265. PDF

    • Jin XF, Zhou YY, Hipp A, Jin SH, Oda J, Ikeda H, Yano O, Nagamasu H (2014) Nutlet micromorphology of Carex section Rhomboidales sensu Kükenthal (Cyperaceae) and its systematic implications. Botanical Journal of the Linnean Society 175(1): 123-143. DOI: 10.1111/boj.12149

    • Yano O, Ikeda H, Jin XF, Hoshino T (2014) Phylogeny and chromosomal variations in East Asian Carex, Siderostictae group (Cyperaceae), based on DNA sequences and cytological data. Journal of Plant Research 127(1): 99-107. DOI: 10.1007/s10265-013-0578-y

    • Yano O, Ikeda H, Pendry CA, Bhatta GD (2013) Insect pollination in Snow white sedge, Cyperus niveus Retz. (Cyperaceae), from Far West Nepal. Journal of Japanese Botany 88(2): 119-120. PDF

    • Yano O, Katsuyama T, Ikeda H, Watson MF, Rajbhandari KR (2013) Nomenclature and lectotypification of Carex henryi (Cyperaceae) with a new record from Nepal. Acta Phytotaxonomica et Geobotanica 63(3): 143-148. PDF

    • Yano O, Ikeda H, Watson MF, Rajbhandari KR, Jin XF, Hoshino T, Muasya AM, Ohba H (2012) Phylogenetic position of the Himalayan genus Erioscirpus (Cyperaceae) inferred from DNA sequence data. Botanical Journal of the Linnean Society 170(1): 1-11. DOI: 10.1111/j.1095-8339.2012.01255.x

    • Yano O, Ikeda H, Watson MF, Rajbhandari KR (2011) Cytological studies of four species of the genus Kobresia (Cyperaceae) collected from the Nepal Himalaya. Cytologia 76(2): 137-141. DOI: 10.1508/cytologia.76.137

    • Yano O, Ikeda H, Watson MF, Rajbhandari KR (2011) Dauciform roots in Carex atrofusca Schkuhr subsp. minor (Boott) T. Koyama (Cyperaceae) from the Manaslu Himalaya, Central Nepal. Journal of Japanese Botany 86(2): 120-123. PDF

    • Yano O, Ikeda H, Pendry CA, Rajbhandari KR (2010) Cytological studies on Cyperaceae in the Nepal Himalaya II. Chromosome counts of four species collected from Far West Nepal. Journal of Japanese Botany 85(6): 378-382. PDF

    • Yano O, Ito K, Katsuyama T, Ikeda H, Hoshino T (2010) Cytological study of Carex omurae and C. phaeodon (Cyperaceae). Journal of Japanese Botany 85(6): 370-373. PDF

    • Yano O, Ikeda H, Hoshino T (2010) Phylogeography of Japanese common sedge, Carex conica complex (Cyperaceae), based on chloroplast DNA sequence data, and chromosomal variation. American Journal of Botany 97(8): 1365-1376. DOI: 10.3732/ajb.0900338

    • Yano O, Ikeda H, Watson MF, Rajbhandari KR, Ohba H (2010) Cytological studies on Cyperaceae in the Nepal Himalaya I. Chromosome counts of fourteen species collected from the Manaslu Himalaya, Central Nepal. Journal of Japanese Botany 85(3): 157-165. PDF

    • Yano O, Ikeda H, Hoshino T (2010) Molecular and cytological studies of an interspecific hybrid in the genus Schoenoplectus (Cyperaceae). Acta Phytotaxonomica et Geobotanica 60(3): 141-149. PDF
      [APG Best Paper Award 2010, the Japanese Society for Plant Systematics]

    • Yamamoto N, Yano O, Ikeda H (2009) A new hybrid, Crepidiastrum x semiauriculatum (Asteraceae: Lactuceae), from Okayama prefecture, western Japan. Journal of Japanese Botany 84(4): 224-228. PDF

    • Yano O, Hoshino T (2007) Karyomorphological studies of four species of Japanese Scleria (Cyperaceae). Cytologia 72(3): 275-278. DOI: 10.1508/cytologia.72.275

    • Yano O, Ito K, Hoshino T (2007) Cytological studies of the genus Carex (Cyperaceae) in the Osumi Islands (Kagoshima Prefecture) II. Chromosome counts of four species collected from the Kuroshima Island. Journal of Japanese Botany 82(2): 106-111. PDF

    • Yano O, Nanami T, Ito K, Ikeda H, Hoshino T (2007) Cytological studies of the genus Carex (Cyperaceae) in the Osumi Islands (Kagoshima Prefecture) I. Chromosome counts of five species collected from the Yakushima Island. Journal of Japanese Botany 82(1): 29-33. PDF

    • Yano O, Hoshino T (2006) A karyomorphological study of two species of Japanese Schoenus (Cyperaceae). Journal of Japanese Botany 81(6): 319-323. PDF

    • Yano O, Hoshino T (2006) Phylogenetic relationships and chromosomal evolution of Japanese Fimbristylis (Cyperaceae) using nrDNA ITS and ETS 1f sequence data. Acta Phytotaxonomica et Geobotanica 57(3): 205-217. PDF

    • Yano O, Hoshino T (2006) Cytological studies of aneuploids in Eleocharis kamtschatica (Cyperaceae). Cytologia 71(2): 141-147. DOI: 10.1508/cytologia.71.141

    • Yano O, Katsuyama T, Hoshino T (2006) Cytological studies of seven taxa of Cyperaceae collected from the Bonin (Ogasawara) Islands. Journal of Japanese Botany 81(2): 98-102. PDF

    • Yano O, Hoshino T (2005) Molecular phylogeny and chromosomal evolution of Japanese Schoenoplectus (Cyperaceae), based on ITS and ETS 1f sequences. Acta Phytotaxonomica et Geobotanica 56(2): 177-189. PDF

    • Yano O, Katsuyama T, Tsubota H, Hoshino T (2004) Molecular phylogeny of Japanese Eleocharis (Cyperaceae) based on ITS sequence data, and chromosomal evolution. Journal of Plant Research 117(5): 409-419. DOI: 10.1007/s10265-004-0173-3
    ◆Semi Peer-reviewed Publications

    • Yano O, Hoshino T, Gundegmaa V, Nakamoto A (2021) Notes on Cyperaceae plants collected from the Mongolia II. Around Ulaan Burgas Pond and Gun Nur Lake area in Selenge Province. Naturalistae (25): 29-34.

    • Nemoto S, Yano O (2020) Discovery of Schoenus apogon Roem. et Schult. (Cyperaceae) for about thirty years from Fukushima Prefecture, Japan. Journal of Japanese Cyperology (22): 19-21 (In Japanese)

    • Tamura Y, Yano O* (2020) Distribution of Fimbristylis ovata (Burm. f.) Kern (Cyperaceae) in Japan. Journal of Japanese Cyperology (22): 23-35 (In Japanese)

    • Yano O, Ikeda H, Murata J (2020) A double-spathed aberrant form of Arisaema peninsulae Nakai (Araceae) from Okayama Prefecture, Japan. Nauralistae (24): 13-15 (In Japanese with English Abstract)

    • Yano O, Fujiki T (2019) Notes on Cyperaceae plnats from the Cook Islands. Journal of Japanese Cyperology (21): 39-46 (In Japanese)

    • Yano O, Ikeda H (2019) Notes on Cyperaceae plants collected from Nepal II. Api Himalaya and adjacent areas. Journal of Japanese Cyperology (21): 47-55 (In Japanese with English Abstract)

    • Yano O, Hoshino T, Nasu H, Gundegmaa V, Saindovdon D, Nakamoto A (2019) Notes on Cyperaceae plants collected from the Mongolia I. Shatan area in Tov province. Naturalistae (23): 53-57.

    • Yano O, Jin XF, Chen WJ, Ikeda H (2018) Reconsideration of three species of Carex sect. Digitatae (Cyperaceae) described from Anhui Province, China. Journal of Japanese Cyperology (20): 41-48 (In Japanese with English Abstract).

    • Kubo T, Yano O, Murata J (2018) Arisaema nambae Kitam. f. viride H. Ikeda, T. Kobay. & J. Murata (Araceae) with duplicate spathes found from Okayama Prefecture, Japan. Nauralistae (22): 1-3 (In Japanese with English Abstract).

    • Yano O, Ikeda H, Yago M, Jin XF (2015) Galls of Carex arisanensis Hayata (Cyperaceae). Ikeda H., Yago M. and Jin X.-F. (2015) Galls of Carex arisanensis Hayata (Cyperaceae). Journal of Japanese Cyperology (19): 15-18 (In Japanese with English Abstract).

    • Yano O (2015) Chromosome number of Scirpus fuirenoides Maxim. (Cyperaceae) collected from Okayama Prefecture, Japan. Journal of Japanese Cyperology (19): 5-6 (In Japanese with English Abstract).

    • Yano O (2013) Notes on Cyperaceae plants collected from the New South Wales, Australia. Journal of Japanese Cyperology (18): 49-62 (In Japanese).

    • Yano O, Ikeda H (2012) Notes on Cyperaceae plants collected from Nepal I. Manaslu Himalaya and adjacent areas. Journal of Japanese Cyperology (17): 19-33 (In Japanese with English Abstract).

    • Yano O, Shimizu A, Ikeda H (2011) Check list of family Cyperaceae collected from Tokyo Prefecture in the Herbarium of the University of Tokyo (TI) I. From Ogasawara (Bonin) Islands. Journal of Japanese Cyperology (16): 41-68 (In Japanese with English Abstract).

    • Yano O, Masaki T, Katsuyama T, Hoshino T (2010) Carex (Cyperaceae) of the Kuroshima Island in the Osumi Islands, Kagoshima Prefecture. Journal of Japanese Cyperology (15): 11-18 (In Japanese with English Abstract).

    • Yano O, Hoshino T (2010) Schoenoplectus gemmifer C.Sato, T.Maeda et Uchino (Cyperaceae), newly found from Hiroshima Prefecture. Journal of Japanese Cyperology (15): 19-21 (In Japanese with English Abstract).

    • Yano O, Shimizu A, Ikeda H (2010) Discovery of an isotype of Eleocharis atropurpurea (Retz.) J. et C.Presl var. hashimotoi Ohwi (Cyperaceae) from the Herbarium of the University of Tokyo (TI). Journal of Japanese Cyperology (15): 23-26 (In Japanese with English Abstract).

    • Masaki T, Yano O, Katsuyama T, Hayashi Y, Hoshino T (2010) A report of Carex (Cyperaceae) of Tsushima Islands, Nagasaki Prefecture. Journal of Japanese Cyperology (15): 27-38 (In Japanese with English Abstract).

    • Yano O, Asama (Ozaki) S, Masaki T, Katsuyama T, Ikeda H, Hoshino T (2009) Eleocharis atropurpurea (Retz.) J. et C.Presl (Cyperaceae) in Okayama Prefecture and its conservation. Journal of Japanese Cyperology (14): 9-16 (In Japanese with English Abstract).

    • Yano O, Katsuyama T, Hoshino T (2008) Cytological studies of Japanese Carex (Cyperaceae) I. Journal of Japanese Cyperology (13): 9-21 (In Japanese with English Abstract). PDF

    • Yano O, Yamamoto N, Ikeda H, Im HT, Son HD, Hoshino T (2008) Carex (Cyperaceae) in Korea I. Journal of Japanese Cyperology (13): 55-60 (In Japanese).

    • Hirahara T, Yano O, Hoshino T (2007) Chromosome observations and chloroplast DNA sequences of a Japanese endangered species, Isolepis crassiuscula Hook. f. (Cyperaceae). Bunrui 7(1): 23-30 (In Japanese with English Abstract). PDF
    • Tsusaka M, Kimura Y, Yano O, Yamamoto N, Kariyama S, Enomoto T, Ikeda H, Hoshino T (2007) Chromosome counts on thirty endangered plant species in Okayama Prefecture, western Japan. Naturalistae (11): 15-30 (In Japanese with English Abstract).
    ◆Others
    • Yano O, Shimizu A, Ikeda H (2017) Catalogue of the type specimens preserved in the Herbarium, Department of Botany, The University Museum, The University of Tokyo. Part 13. Cyperaceae tribe Cariceae (Carex and Kobresia). 47pp., 358 Plate. The University Museum, The University of Tokyo, Material Reports No. 113. The University Museum, The University of Tokyo, Tokyo.

    • Yano O, Ito Y, Nishimoto T (2016) Chromosome numbers of four aquatic plant species from Okayama Prefectural Nature Conservation Center, Western Japan. Bulletin of Okayama Prefectural Nature Conservation Center (23): 13-18 (In Japanese with English Abstract).

    • Yano O, Ikeda H, Bhatta GD (2015) Dauciform roots in two species of Cyperaceae from the Nepal Himalaya. Newsletter of Himalayan Botany (49): 18-20.

    • Ikeda H, Noshiro S, Yonekura K, Akai K, Yano O, Yamamoto N, Pendry CA, Elliot A, Pathak M, Bhatta GD (2015) Botanical inventory in Darchura district, Far Western Nepal in 2012. Newsletter of Himalayan Botany (49): 5-10.
      • Ibaragi Y, Kinoshita S, Yano O, Ogawa M (2014) Habitat of Schoenus apogon Roem. et Schult. at Jogamaru-ike pond in Tokushima Prefecture. Bulletin of the Tokushima Prefectural Museum (24): 77-80 (In Japanese).

      • Ibaragi Y, Ogawa M, Kinoshita S, Narita A, Nakamura T, Yano O (2013) Habitat of Schoenoplectus gemmifer C.Sato, T.Maeda et Uchino in Tokushima Prefecture. Bulletin of the Tokushima Prefectural Museum (23): 127-130 (In Japanese).
      ◆Plants Names
      • Carex brandisii (C.B. Clarke ex Jana & R.C.Srivast.) Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 20 (2015)
      • Carex breviprophylla Okih.Yano in GCG, Bot. J. Linn. Soc.179: 20 (2015)
      • Carex deasyi (C.B.Clarke) Okih.Yano & S.R.Zhang in GCG, Bot. J. Linn. Soc. 179: 20 (2015)
      • Carex esbirajbhandarii (Rajbh. & H.Ohba) Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 21 (2015)
      • Carex fissiglumis (C.B. Clarke) S.R.Zhang & Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 21 (2015)
      • Carex gammiei (C.B. Clarke) S.R.Zhang & Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 21 (2015)
      • Carex harae (Rajbh. & H.Ohba) Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 22 (2015)
      • Carex kanaii (Rajbh. & H.Ohba) S.R.Zhang & Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 22 (2015)
      • Carex mallae (Rajbh. & H.Ohba) Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 23 (2015)
      • Carex ovoidispica O.Yano in GCG, Bot. J. Linn. Soc. 179: 24 (2015)
      • Carex paramjitii (Jana, Noltie, R.C. Srivast & A.Mukh.) Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 24 (2015)
      • Carex parvula O.Yano in GCG, Bot. J. Linn. Soc. 179: 24 (2015)
      • Carex pseudolaxa (C.B.Clarke) Okih.Yano & S.R.Zhang in GCG, Bot. J. Linn. Soc. 179: 24 (2015)
      • Carex pseuduncinoides (Noltie) Okih.Yano & S.R.Zhang in GCG, Bot. J. Linn. Soc. 179: 25 (2015)
      • Carex vibhae (Jana, R.C.Srivast & Bhaumik) Okih.Yano in GCG, Bot. J. Linn. Soc. 179: 26 (2015)
      • Carex satsumasendaica Okih.Yano, Katsuy. & W.Ohnishi, J. Jpn. Bot. 99: 17 (2024)
      • Carex shimizui Okih.Yano, Katsuy., W.Ohnish & T.Hoshino, J. Jpn. Bot. 99: 20 (2024)
      • Carex staintonii X.F.Jin, H.Ikeda & Okih.Yano, J. Jpn. Bot. 90: 111 (2015)
      • Schoenoplectiella x naritaensis Yashiro nothovar. bizenensis Okih.Yano & Torimaru, Acta Phytotax. Geobot. 72: 131 (2021)