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Botanica Marina

Editor-in-Chief: Dring, Matthew J.

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Volume 47, Issue 5


Recent introduction of Polysiphonia morrowii (Ceramiales, Rhodophyta) to Punta Arenas, Chile

Myung-Sook Kim / Eun Chan Yang / Andres Mansilla
  • Department of Sciences and Natural Resources, University of Magallanes, Casilla 113-D, Punta Arenas, Chile
  • Other articles by this author:
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/ Sung Min Boo
Published Online: 2005-06-01 | DOI: https://doi.org/10.1515/BOT.2004.053


Polysiphonia morrowii (Rhodomelaceae, Rhodophyta) is abundant in intertidal zones of the northwestern Pacific Ocean in spring, and has been introduced to the Mediterranean Sea. We collected specimens of this species from intertidal rocks in February in Punta Arenas, in southernmost Chile. Thalli were densely tufted, slender, and elongate, with four pericentral cells, no cortication and short tetrasporangial ultimate branchlets. The plastid protein-coding rbcL was analyzed from specimens collected in Chile and Korea, as well as from putative relatives. The rbcL sequences of the Chilean specimens were almost identical to those from Korea, and were clearly separated from other related taxa from Chile and other areas. These results suggest that P. morrowii has been introduced recently from the northwestern Pacific Ocean to Chile.

Keywords: Chile; invasive species; Polysiphonia morrowii; rbcL, Rhodomelaceae, Rhodophyta

About the article

Corresponding author

Received: March 19, 2004

Accepted: September 3, 2004

Published Online: 2005-06-01

Published in Print: 2004-11-01

Citation Information: Botanica Marina, Volume 47, Issue 5, Pages 389–394, ISSN (Online) 1437-4323, ISSN (Print) 0006-8055, DOI: https://doi.org/10.1515/BOT.2004.053.

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