Plant Life In Water
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[Peer-Reviewed Publications] (1st-authored papers: 23 | Co-authored papers: 3)

  • Ito, Y., Nr. Tanaka (in prep.) Phylogeny of Sagittaria (Alismataceae) revisited: Molecular evidence for habitat transition. American Journal of Botany

  • Ito, Y., N. Tanaka (in prep.) Molecular evidence for a natural hybridization between Potamogeton fryeri and P. natans (Potamogetonaceae) in Eastern Asia. Acta Botanica Gallica: Botany Letters

  • Ito, Y., S.W. Gale, J. Li, O. Yano, Nr. Tanaka (in prep.) Species delimitation in the aquatic plant genus Monochoria (Pontederiaceae) with description of two new species. Systematics and Biodiversity

  • Ito, Y. (in prep.) Taxonomic notes on Nymphoides (Menyanthaceae) in tropical Asia: a new record of N. geminata for Flora of Taiwan Taiwania

  • Ito, Y., S.W. Gale, A.S. Barfod, J. Bogner, J. Li, O. Yano, Nr. Tanaka. (in prep.) Species delimitation in the aquatic plant genus Ottelia (Hydrocharitaceae) with description of new species. Systematics and Biodiversity

  • Ito, Y., Nr. Tanaka, A. Barfod, S.-K. Cho, S.W. Gale, R. Jobson, Y.-D. Kim, I. Larridon, J. Li, A. Mesterhagy, A.M. Muasya, J. Parnell, S. Phillips, A. Prajaksood, P. Souladeth, K. Shuto, S. Tagane, Nb. Tanaka, O. Yano, M. Newman (in prep.) Phylogeny, biogeography, and polyploid evolution of Eriocaulon (Eriocaulaceae). Taxon

  • Ito, Y., Nr. Tanaka (in prep.) Hybridization and polyploidy of an aquatic plant, Alisma (Alismataceae), inferred from plastid and nuclear DNA phylogenies. Molecular Phylogenetics and Evolution

  • Ito, Y. (under review) A new record of Nechamandra alternifolia (Hydrocharitaceae) from Cambodia. Cambodian Journal of Natural History

  • Gale, S.W. et al. (under reveiw) Integrative analyses of Nervilia (Orchidaceae) section Linervia reveal further undescribed cryptic diversity in Thailand. Systematics and Biodiversity

  • Ito, Y., C. Enju, J. Li, Nr. Tanaka. (in revision) Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae). Systematics and Biodiversity

  • Ito, Y., Nr. Tanaka, A.S. Barfod, R. Kaul, A.M. Muasya, P. Garcia-Murillo, N. de Vere, B.E.E. Duyfjes, D.C. Albach (2017) From terrestrial to aquatic habitats and back again - Molecular insights into the evolution and phylogeny of Callitriche (Plantaginaceae). Botanical Journal of the Linnean Society 184: 46-58. doi: 10.1093/botlinnean/box012 NEW

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

  • Ito, Y., T. Ohi-Toma, C. Nepi, A. Santangelo, A. Stinca, N. Tanaka, J. Murata (2017) Towards a better understanding of the Ruppia maritima complex (Ruppiaceae): notes on the correct application and typification of the names R. cirrhosa and R. spiralis. Taxon 66: 167-171. doi: 10.12705/661.11 NEW

  • Ito, Y., Nr. Tanaka, D.C. Albach, A.S. Barfod, B. Oxelman, A.M. Muasya. (2017) Molecular phylogeny of the cosmopolitan aquatic plant genus Limosella (Scrophulariaceae) with a particular focus on the origin of the Australasian L. curdieana. Journal of Plant Research 130: 107-116. doi: 10.1007/s10265-016-0872-6 NEW

  • Ito, Y. (2016) Taxonomic notes on the genus Najas (Hydrocharitaceae) in Thailand: addition of N. major and exclusion of N. minor. Thai Forest Bulletin 44: 104-107. doi: 10.20531/tfb.2016.44.2.03

  • Ito, Y., G. Lucio, L. Iharlegui, Nr. Tanaka (2016) Phylogeny of Potamogeton (Potamogetonaceae) revisited: implications for hybridization and introgression in Argentina. Bulletin of the National Museum of Nature and Science. Series B 42: 131-141.

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

  • Ito, Y., Nr. Tanaka, P. Garcia-Murillo, A.M. Muasya (2016) A new delimitation of the Afro-Eurasian plant genus Althenia (Potamogetonaceae) to include its Australasian relative: evidence from DNA and morphological data. Molecular Phylogenetics and Evolution 98: 261-270. doi: 10.1016/j.ympev.2016.02.008

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

  • Ito, Y., Nr. Tanaka, C.-K. Kim, R. Kaul, D.C. Albach (2016) Phylogeny of Sparganium (Typhaceae) revisited: non-monophyletic nature of S. emersum sensu lato and resurrection of S. acaule. Plant Systematics and Evolution 302: 129-135. doi: 10.1007/s00606-015-1245-7

  • Ito, Y., Nr. Tanaka, T. Ohi-Toma, J. Murata, A.M. Muasya (2015) Phylogeny of Ruppia (Ruppiaceae) revisited: Molecular and morphological evidence for a new species from Western Cape, South Africa. Systematic Botany 40: 942-949. doi: 10.1600/036364415X689988

  • Ito, Y., Nb. Tanaka (2014) Chromosome studies in the aquatic monocots of Myanmar: A brief review with additional records. Biodiversity Data Journal 2: e1069. doi: 10.3897/BDJ.2.e1069

  • Ito, Y., T. Ohi-Toma, A.V. Skriptsova, M. Sasagawa, Nr. Tanaka, J. Murata (2014) Ruppia megacarpa (Ruppiaceae): a new species to the floras of Japan, Korea, and Russia. Botanica Pacifica 3: 49-52. doi: 10.17581/bp.2014.03105

  • Ito, Y., Nb. Tanaka, R. Pooma, Nr. Tanaka (2014) DNA barcoding reveals a new record of Potamogeton distictus and its hybrids, P. distinctus x P. nodosus and P. distinctus x P. wrightii (P. x malainoides) from Myanmar. Biodiversity Data Journal 2: e1073. doi: 10.3897/BDJ.2.e1073

  • Ito, Y., J.H. Cota-Sanchez (2014) Distribution and conservation status of Sparganium (Typhaceae) in the Canadian Prairie Provinces. Great Plains Research 24: 119-125. doi: 10.1353/gpr.2014.0019

  • Ito, Y., T. Ohi-Toma, Nb. Tanaka, Nr. Tanaka, J. Murata (2014) New or noteworthy plant collections from Myanmar (8) Blyxa aubertii var. echinosperma, Lemna trisulca, and Najas tenuis. APG: Acta Phytotaxonomica et Geobotanica 65: 53-61. PDF

  • Ito, Y., A.S. Barfod (2014) An updated checklist of aquatic plants of Myanmar and Thailand. Biodiversity Data Journal 2: e1019. doi: 10.3897/BDJ.2.e1019

  • Ito, Y. (2013) New records of aquatic plants for the flora of Thailand: Nechamandra alternifolia and Potamogeton octandrus. Thai Forest Bulletin 41: 140-144. PDF

  • Ito, Y., T. Ohi-Toma, J. Murata, Nr. Tanaka (2013) Comprehensive phylogenetic analyses of the Ruppia maritima complex focusing on taxa from the Mediterranean. Journal of Plant Research 126: 753-762. doi: 10.1007/s10265-013-0570-6

  • Ito, Y., Nr. Tanaka (2013) Additional Potamogeton hybrids from China: Evidence from a comparison of plastid trnT-trnF and nuclear ITS phylogenies. APG: Acta Phytotaxonomica et Geobotanica 64: 15-28. PDF

  • Ito, Y., Nr. Tanaka (2011) Hybridisation in a tropical seagrass genus, Halodule (Cymodoceaceae), inferred from plastid and nuclear DNA phylogenies. Telopea 13: 219-231. Link

  • Ito, Y., T. Ohi-Toma, J. Murata, Nr. Tanaka (2010) Hybridization and polyploidy of an aquatic plant, Ruppia (Ruppiaceae), inferred from plastid and nuclear DNA phylogenies. American Journal of Botany 97: 1156-1167. doi: 10.3732/ajb.0900168 (featured on cover)

  • Ito, Y., T. Ohi-Toma, Nb. Tanaka, J. Murata (2009) New or noteworthy plant collections from Myanmar (3) Caldesia parnassifolia, Nechamandra alternifolia, Potamogeton maackianus and P. octandrus. Journal of Japanese Botany 84: 321-329. PDF

  • Tanaka, Nr., Y. Ito, R. Matsuyama, K. Uehara (2007) Chromosome numbers of Zannichellia L. (Zannichelliaceae) in Japan. Bulletin of the National Museum of Nature and Science. Series B 33: 133-136. PDF

  • Ito, Y., Nr. Tanaka, K. Uehara (2007) Inferring the origin of Potamogeton ×inbaensis (Potamogetonaceae) using nuclear and chloroplast DNA sequences. Journal of Japanese Botany 82: 20-28. PDF

  • Tanaka, Nr., Y. Ito, K. Uehara (2006) Distribution and new localities of Zannichellia palustris L. (Zannichelliaceae) in Japan. Annals of Tsukuba Botanical Garden 25: 1-6.


[Book Chapters] (1st-authored papers: 3)

  • Ito, Y. (in prep.) Alismataceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y. (in prep.) Eriocaulaceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y. (in prep.) Hydrocharitaceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y. (in prep.) Lentibulariaceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y. (in prep.) Menyanthaceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y. (in prep.) Pontederiaceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y. (in prep.) Typhaceae. In: xxx & xxx (eds.) Flora of Singapore

  • Ito, Y., Nb. Tanaka, J. Murata, Nr. Tanaka (in prep.) Field Guide to Aquatic Plants of Myanmar

  • Ito, Y. (in prep.) Hydrocharitaceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y. (in prep.) Pontederiaceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y. (in prep.) Lentibulariaceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y. (in prep.) Menyantaceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y. (under review) Alismataceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y. (under review) Cymodoceaceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y. (under review) Zosteraceae. In: Newman & Hul (eds.) Flora of Cambodia, Laos and Vietnam

  • Ito, Y., Nr. Tanaka (2015) Potamogetonaceae. In: Ohashi et al. (eds.) Wild Flowers of Japan I: 130-134. (in Japanese) [伊藤 優・田中法生 (2015) ヒルムシロ科 新日本の野生植物]

  • Ito, Y. (2015) Ruppiaceae. In: Ohashi et al. (eds.) Wild Flowers of Japan I: 135-136. (in Japanese) [伊藤 優 (2015) カワツルモ科 新日本の野生植物]

  • Ito, Y. (2014) Ruppiaceae. In: Santisuk & Larsen (eds.) Flora of Thailand 11(4): 608-609.

[Semi Peer-Reviewed Publications] (1st-authored papers: 6 | Co-authored papers: 1)


[Miscellaneous Publications] (in English: 1 | in Japanese: 2)


[Conference Papers and Presentations (International)] (Oral: 12 | Poster: 5)

  • Yu Ito, Stephan W. Gale, Okihito Yano & Norio Tanaka. Species delimitation in aquatic plant genera with description of new species from Indo-Burma biodiversity hotspot. 17th Flora of Thailand meeting Krabi, Thailand. August, 2017.

  • Yu Ito, Chigaya Enjyu, Jie Li, Norio Tanaka. Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae). International Academic Conference on the Formation Mechanism of Plant Diversity in East Asia and Conservation of Endangered Plants Zhejiang, China. June, 2017.

  • Yu Ito, Stephan W. Gale, Jie Li, Okihito Yano & Norio Tanaka. Species delimitation in aquatic plant genera with description of new species from Indo-Burma biodiversity hotspot. Association for Tropical Biology & Conservation Asia-Pacific Chapter meeting 2017 Xishuangbanna, China. March, 2017. (Oral, B1.4)

  • Yu Ito, Anders S. Barfod, Josef Bogner, Stephan W. Gale, Jie Li, Okihito Yano & Norio Tanaka. Species delimitation in the aquatic plant genus Ottelia (Hydrocharitaceae) with description of new species. 1st XTBG conference Xishuangbanna, China. December, 2016. (Oral, Y-24)

  • Yu Ito, Norio Tanaka, Anders S. Barfod, Seong-Hyun Cho, Stephan W. Gale, Richard Jobson, Young-Dong Kim, Isabel Larridon, Jie Li, A. Muthama Muasya, John Parnell, Sylvia Phillips, Amornrat Prajaksood, Kotaro Shuto, Phetlasy Souladeth, Shuichiro Tagane, Nobuyuki Tanaka, Okihito Yano & Mark Newman. Molecular phylogeny of Eriocaulon (Eriocaulaceae). 38th Australasian Systematic Botany Society meeting Alice Springs, Australia. September, 2016. (Oral, 8-36)

  • Yu Ito, Okihito Yano, Norio Tanaka & Jie Li. Phylogeny of Najas (Hydrocharitaceae) revisited: Implications for taxonomy, biogeography, and polyploid evolution. Botanical Research in Tropical Asia Vientiane, Laos. December, 2015. (Oral, No. 78658)

  • Yu Ito. Molecular phylogenetic studies on aquatic vascular plants: A review of issues. International Conference: Problems of taxonomy and geography of aquatic plants Borok, Russia. October, 2015. (Invited lecture)

  • Yu Ito, Norio Tanaka, Tetsuo Ohi-Toma & Jin Murata. Phylogeny and systematics of the cosmopolitan aquatic genus Ruppia (Ruppiaceae): Implication for conservation. FAPESP - JSPS Joint Research workshop Sao Paulo, Brazil. February, 2015. (Poster)

  • Yu Ito, Pablo Garcia-Murillo & Norio Tanaka. Redefined ….again! A new delimitation of the genus Althenia (Potamogetonaceae). 36th Australasian Systematic Botany Sosiety meeting Palmerston North, New Zealand. November, 2014. (Oral, Abstract P. 34)

  • Yu Ito, Dirk C. Albach, A. Muthama Muasya, Bengt Oxelman & Norio Tanaka. Phylogeny and biogeography of a cosmopolitan aquatic genus Limosella (Scrophulariaceae): a test of the South African origin of an Australasian endemic species. 36th Australasian Systematic Botany Sosiety meeting Palmerston North, New Zealand. November, 2014. (Poster, Abstract P. 42)

  • Yu Ito, Dirk C. Albach, Robert Kaul, A. Muthama Muasya, Pablo Garcia-Murillo, Norio Tanaka, Natasha de Vere, Brigitta de Wilde & Pieter B. Pelser. Phylogeny and biogeography of a cosmopolitan aquatic plant, Callitriche (Plantaginaceae). MACROPHYTE2014 Wuhan, China. October, 2014. (Oral, Abstract P. 51)

  • Yu Ito, Norio Tanaka, Pablo Garcia-Murillo & Pieter B. Pelser. A first glimpse at the phylogeny and biogeography of Zannichellia and allied genera (Potamogetonaceae). JSPS 12th annual meeting Chiba, Japan. March, 2014. (Oral, 1p02)

  • Yu Ito. Studies of long-distance dispersal of aquatic plants in Asia - Australasia. Seminar in University of Canterbury, New Zealand. November, 2013. (invited lecture)

  • Yu Ito and Norio Tanaka. Phylogeny, hybridization, and biogeography of an aquatic genus Zannichellia and its allies (Potamogetonaceae). 5th International Conference: The Comparative Biology of the Monocotyledon. New York, USA. July, 2013. (Poster, No. 51)

  • Yu Ito, Norio Tanaka, and Pieter Pelser. Phylogeny and biogeography of an aquatic genus Potamogeton (Potamogetonaceae). 5th International Conference: The Comparative Biology of the Monocotyledon. New York, USA. July, 2013. (Oral, Abstract P. 58)

  • Yu Ito, Changkyun Kim & Norio Tanaka. Phylogeny, habitat transition, and biogeography of an aquatic genus Sparganium (Typhaceae). 5th International Conference: The Comparative Biology of the Monocotyledon New York, USA. July, 2013. (Oral, Abstract P. 59)

  • Yu Ito, Pieter Pelser & Norio Tanaka. Toward the comprehension of the origin of antitropical distributions: A taxonomic review of cool-temperate aquatic plants in Asia and Oceania. JSPS 12th annual meeting Chiba, Japan. March, 2013. (Oral, 1a03)

  • Yu Ito, Hugo Cota-Sanchez, Changkyun Kim & Norio Tanaka. A phylogenetic view of habitat transitions in the aquatic genus Sparganium (Typhaceae). Botany 2012 (63rd Annual Conference of the American Botanical Society) Columbus (OH), USA. July, 2012. (Oral, 300)

  • Yu Ito, Hugo Cota-Sanchez, Changkyun Kim & Norio Tanaka. A phylogenetic view of habitat transitions in the aquatic genus Sparganium (Typhaceae). JSPS 11th annual meeting Osaka, Japan. March, 2012. (Oral, O-14)

  • Yu Ito. Phylogeny and evolution of aquatic plants, with focus on hybridization and polyploidy. Seminar in University of Vienna Austria. May, 2011. (invited lecture)

  • Yu Ito. Phylogeny and evolution of aquatic plants, with focus on hybridization and polyploidy. Seminar in Kassel University, Germany November, 2010. (invited lecture)

  • Yu Ito, Norio Tanaka, Tetsuo Ohi-Toma & Jin Murata. Hybridization and polyploidy of an aquatic plant, Ruppia (Ruppiaceae), inferred from plastid and nuclear DNA phylogenies. East Asian Plant Diversity and Conservation S. Korea, August 2010. (Invited Speaker, S912)

  • Yu Ito, Norio Tanaka, Tetsuo Ohi-Toma & Jin Murata. Molecular phylogeney of an aquatic plant, Ruppia (Ruppiaceae) based on chloroplast and nuclear DNA sequences. 12th EWRS International Symposium on Aquatic Weeds Jyvaskyla, Finland. August, 2009. (Poster, No. 27)

  • Yu Ito, Norio Tanaka, Tetsuo Ohi-Toma & Jin Murata. Phylogenetic relationships and biogeography of the cosmopolitan genus Ruppia L.: inferred from chloroplast and nuclear gene sequences. 8th International Seagrass Biology Workshop (ISBW8) Vancouver, Canada. September, 2008. (Oral, Abstract P. 42)

  • Yu Ito, Norio Tanaka, Tetsuo Ohi-Toma & Jin Murata. Molecular phylogenetic studies on an aquatic plant, Ruppia (Ruppiaceae). The Fourth International Conference: The Comparative Biology of the Monocotyledon Copenhagen, Denmark. August, 2008. (Oral, Abstract P. 31)

  • Yu Ito, Norio Tanaka, Tetsuo Ohi-Toma & Jin Murata. Phylogenetic studies of an aquatic plant, Ruppia (Ruppiaceae) with reference to the polyploid evolution. 17th Annual Conference of Indian Association for Angiosperm Taxonomy and International Seminar on Changing Scenario in Angiosperm Systematics Kolhapur, India. November, 2007. (Oral, O2.13)

  • Yu Ito, Norio Tanaka, Arata Momohara & Koichi Uehara. Conservation study of endangered Potamogeton species in Japan: DNA sequence data allow the differentiation of a hybrid. XVII International Botanical Congress Vienna, Austria. July, 2005. (Poster, P2345)


[Conference Papers and Presentations (Domestic)] (Oral: 3 | Poster: 4) *発表者

  • *田中 法生, 伊藤 優, 邑田仁, 田中伸幸 『ミャンマー植物図鑑(予報)』 日本植物分類学会第16回大会(京都) 2017年3月 (ポスター P-19)

  • 伊藤 優, 槐ちがや, 李捷, *田中 法生 『絶滅危惧植物ムサシモ(トチカガミ科)の固有性と保全学的優先度』 日本植物分類学会第16回大会(京都) 2017年3月 (口頭 H-4)

  • *伊藤 優, 田中 法生, 大井-東馬 哲雄, 邑田 仁 『カワツルモ科カワツルモ属の分子系統』 日本植物分類学会第8回大会(仙台) 2009年3月 (口頭 L-11)

  • *伊藤 優, 田中 法生, 大井-東馬 哲雄, 邑田 仁 『カワツルモ科カワツルモ属の分子系統』 日本植物分類学会第7回大会(八王子) 2008年3月 (ポスター P11)

  • *伊藤 優, 田中 法生, 大井-東馬 哲雄, 邑田 仁 『カワツルモ科カワツルモ属の分子系統』 日本植物学会第71回大会(野田) 2007年9月 (口頭 1pI05).

  • *伊藤 優, 田中 法生, 大井-東馬 哲雄, 邑田 仁 『カワツルモ科カワツルモ属の染色体解析』 日本植物学会第70回大会(熊本) 2006年9月 (ポスター P1-90).

  • *伊藤 優, 田中 法生, 上原 浩一 『日本産カワツルモ(カワツルモ科)の遺伝的構造』 日本植物分類学会第7回大会(沖縄) 2006年3月 (ポスター P13A).

  • *伊藤 優, 田中 法生 『日本産カワツルモ(カワツルモ科)の分布』 水草研究会第27回大会(鳥取) 2005年8月 (口頭 O-1).

  • *伊藤 優, 田中 法生, 上原 浩一 『ヒルムシロ科ガシャモクの保全遺伝学的研究』日本植物学会第70回大会(熊本) 2004年9月 (ポスター P004d).

[Editorial work] (Paper review: 16)

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