is an aquatic

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

at Tsukuba Botanical Garden, National Science Museum, Tokyo, Japan. Dr. Tanaka is an expert on the family

Hydrocharitaceae Hydrocharitaceae is a flowering plant family including 16 known genera with a total of ca 135 known species (Christenhusz & Byng 2016), that including a number of species of aquatic plant, for instance the tape-grasses, the well known Canadia ...

and

Zosteraceae Zosteraceae (one of the four seagrasses families, Kubitzki ed. 1998) is a family of marine perennial flowering plants found in temperate and subtropical coastal waters, with the highest diversity located around Korea and Japan. Most seagrasses ...

, and in 1997 and 2003 published a worldwide molecular phylogenies of the families.Norio Tanaka, John Kuo, Yuji Omori, Masahiro Nakaoka and Keiko Aioi (2003
Phylogenetic relationships in the genera Zostera and Heterozostera (Zosteraceae) based on matK sequence data
''

Journal of Plant Research The ''Journal of Plant Research'' is a bimonthly peer-reviewed scientific journal of botany published on behalf of the by Springer Science+Business Media. Its predecessor, of Tokyo, first published in 1887, ran until volume 105 in 1992; during ...

'' 116: 273-279.

Colleagues

* Yu Ito (

University of Canterbury The University of Canterbury ( mi, Te Whare Wānanga o Waitaha; postnominal abbreviation ''Cantuar.'' or ''Cant.'' for ''Cantuariensis'', the Latin name for Canterbury) is a public research university based in Christchurch, New Zealand. It was ...

, New Zealand)

Publications

* Tanaka, Nr., H. Setoguchi and J. Murata (1997
Phylogeny of the family hydrocharitaceae inferred from rbcL and matK gene sequence data
''

'' 110: 329-337. * Tanaka, Nr., J. Kuo, Y. Omori, M. Nakaoka and K. Aioi (2003
Phylogenetic relationships in the genera Zostera and Heterozostera (Zosteraceae) based on matK sequence data
''

'' 116: 273-279. * Ito, Y., Nr. Tanaka and K. Uehara (2007) Inferring the origin of ''Potamogeton'' ×''inbaensis'' (Potamogetonaceae) using nuclear and chloroplast DNA sequences. ''Journal of Japanese Botany'' 82: 20-28. * Ito, Y., T. Ohi-Toma, Nb. Tanaka, and 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. * 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 The ''American Journal of Botany'' is a monthly peer-reviewed scientific journal which covers all aspects of plant biology. It has been published by the Botanical Society of America since 1914. The journal has an impact factor of 3.038, as of 201 ...

'' 97: 1156-1167. * Ito, Y. and Nr. Tanaka (2011
Hybridisation in a tropical seagrass genus, ''Halodule'' (Cymodoceaceae), inferred from plastid and nuclear DNA phylogenies
'' Telopea'' 13: 219-231 * Ito, Y., and 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 (1): 1–14 * Ito, Y., T. Ohi-Toma, J. Murata & Nr. Tanaka (2013
Comprehensive phylogenetic analyses of the ''Ruppia'' ''maritima'' complex focusing on taxa from the Mediterranean
''

'' 126: 753-762. * 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: xxx-xxx. * Ito, Y., Nr. Tanaka, R. Pooma, and Nb. Tanaka (2014
DNA barcoding reveals a new record of ''Potamogeton'' ''distinctus'' (Potamogetonaceae) and its natural hybrids, ''P''. ''distinctus'' × ''P''. ''nodosus'' and ''P''. ''distinctus'' × ''P''. ''wrightii'' (''P''. ×''malainoides'') from Myanmar
''Biodiversity Data Journal'' 2: e1073. * Ito, Y. T. Ohi-Toma, A. V. Skriptsova, M. Sasagawa, N. Tanaka, and J. Murata (2014) ''Ruppia'' ''megacarpa'' (Ruppiaceae), new to the floras of Far East Russia, Korea, and Japan. ''Botanica Pacifica'' 3: xxx-xxx

References

{{DEFAULTSORT:Tanaka, Norio Ruppia 20th-century Japanese botanists Living people Year of birth missing (living people) 21st-century Japanese botanists