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Publication Type J
Authors Uchimura, M; Faye, EJ; Shimada, S; Inoue, T; Nakamura, Y
Author Full Name Uchimura, Masayuki; Faye, Etienne Jean; Shimada, Satoshi; Inoue, Tetsunori; Nakamura, Yoshiyuki
Title A reassessment of Halophila species (Hydrocharitaceae) diversity with special reference to Japanese representatives
Source BOTANICA MARINA
Language English
Document Type Article
Author Keywords Halophila; ITS; Japan; morphology; taxonomy
Keywords Plus SEAGRASS; JOHNSONII; THOUARS; FLORIDA
Abstract In a recent review of the seagrass genus Halophila in Japan, eight taxa including four new species were listed: (i) H. decipiens, (ii) H. minor, (iii) H. major, (iv) H. ovalis, (v) H. mikii, (vi) H. nipponica, (vii) H. okinawensis, and (viii) H. gaudichaudii. In this study, the specific concept of Halophila in Japan as well as some other geographic areas was re-assessed by a combination of nuclear ribosomal ITS1, 5.8S rDNA, and ITS2 sequence analyses and morphological examinations of both recently collected materials and available type collections. The results confirm the distinctness of the Australian endemic species H. australis and the putative pan-tropical taxon H. decipiens; but also demonstrate conspecificity of: (i) H. minor and H. ovalis; (ii) H. major and H. mikii; and (iii) H. nipponica, H. okinawensis and H. gaudichaudii. As an outcome of this study, we recommend restricting the list of Halophila representatives in Japan to the following four species: (i) H. decipiens, (ii) H. major, (iii) H. ovalis, and (iv) H. nipponica. In addition, we predict the possibility of H. major occurring further south than currently recorded.
Author Address [Uchimura, Masayuki; Faye, Etienne Jean; Inoue, Tetsunori; Nakamura, Yoshiyuki] Port & Airport Res Inst, Marine Environm & Engn Dept, Coastal & Estuarine Environm Res Grp, Kanagawa 2390826, Japan; [Shimada, Satoshi] Hokkaido Univ, Creat Res Initiat Sousei, Sapporo, Hokkaido 0010021, Japan
Reprint Address Faye, EJ (reprint author), Port & Airport Res Inst, Marine Environm & Engn Dept, Coastal & Estuarine Environm Res Grp, 3-1-1 Nagase, Kanagawa 2390826, Japan.
E-mail Address etienne.faye@gmail.com
Funding Agency and Grant Number Naha Port and Airport Office; Okinawa General Bureau; Port and Airport Research Institute, Yokosuka, Japan
Funding Text Sincere thanks to Shogo Arai, Shoji Yamazato, Tsutomu Miyazaki, Yoshiei Nakanishi, Munehiro Fujiwara, and Masahiko Miyata for critical collections and/or partnership on dives, and to Yasuko Nose and Chikako Kuroda for technical assistance. Special and sincere thanks are also due to Professor Donald Les (University of Connecticut) for critically reading the manuscript and generously providing many valuable suggestions. E.J.F. is grateful to the Japanese Society for the Promotion of Science (JSPS) for hosting him as a fellow while this manuscript was written. This research was mainly funded by the Naha Port and Airport Office, Okinawa General Bureau and in part by the Port and Airport Research Institute, Yokosuka, Japan.
Cited Reference Count 37
Times Cited 17
Total Times Cited Count (WoS, BCI, and CSCD) 19
Publisher WALTER DE GRUYTER & CO
Publisher City BERLIN
Publisher Address GENTHINER STRASSE 13, D-10785 BERLIN, GERMANY
ISSN 0006-8055
29-Character Source Abbreviation BOT MAR
ISO Source Abbreviation Bot. Marina
Publication Date AUG
Year Published 2008
Volume 51
Issue 4
Beginning Page 258
Ending Page 268
Digital Object Identifier (DOI) 10.1515/BOT.2008.036
Page Count 11
Web of Science Category Plant Sciences; Marine & Freshwater Biology
Subject Category Plant Sciences; Marine & Freshwater Biology
Document Delivery Number 345ND
Unique Article Identifier WOS:000259002600003
Plants associated with this reference

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