Contribution to The Study of Gracilaria and relative genera (Gracilariales, Rhodophyta) from Vietnam

概要

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More than 1500 specimens of Gracilaria sensu lato (Gracilaria, Gracilariopsis, and Hydropuntia) collecting by previous authors along the coast of Vietnam and our new material, which are deposited in the herbaria of the Institute of Oceanography, Nhatrang (ION), Institute of Material Science, Nhatrang Branch (IMS) and Institute of Oceanology, Hai Phong Branch (IOH), have been studied. We re-examined almost herbarium specimens of 33 Gracilaria taxa had been published by Dawson (1954); Pham Hoang Ho (1969), Nguyen Huu Dinh (1992), Nguyen Huu Dinh et al (1993) and Nguyen Van Tien (1994). Some of them were misidentified or misapplied names. In this paper, 19 Vietnamese species of Gracilaria sensu lato were discussed and critically adjusted. The structure of male and female reproductive organs, particularly the formation of spermatangia has been studied carefully. Five of the nineteen were added for the flora: Gracilaria rubra, G. cuneifolia, G. longirostric, G. yamamotoi, and Hydropuntia divergens.
東京大学の論文
2006-04-28