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<p>Thirteen species of red macroalgae are newly reported for islands of Old Providence and Santa Catalina in the Southwestern Caribbean Sea. Of these taxa, <i>Acrochaetium affine</i> is a new record for Colombia, <i>Aglaothamnion halliae</i>,<i> Chondria atropurpurea</i>,<i> Corallophila atlantica</i>,<i> Gelidiella lubrica</i>,<i> Herposiphonia secunda</i>, <i>H. pecten-veneris</i> and <i>Liagora albicans</i> are new records for the Biosphere Reserve <i>Seaflower</i>, while <i>Acrothamnion butlerae</i>,<i> Ganonema norrisiae</i>,<i> Melanothamnus sphaerocarpus</i>,<i> Perikladosporon percurrens</i> and <i>Trichogloeopsis pedicellata</i> are new records for both islands, being reported at other localities in the Archipelago. The algal material was collected in coral reef habitats (3–16&#xa0;m depth), during the Scientific Expedition Seaflower 2019. Their morphological features are discussed. During the past decade, phycological research in the Biosphere Reserve <i>Seaflower</i> has revealed a much more diverse marine flora than historically appreciated, and recent sampling continues to add new taxa to the marine flora of the area.&#xa0;</p>

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Notes on the Marine Algae of the International Biosphere Reserve Seaflower, Caribbean Colombia X: New Records of Red Algae (Rhodophyta) from Old Providence and Santa Catalina

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  • 发表日期：

    2025年3月1日

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  • Y. Carla M. Daza,
  • Víctor Díaz,
  • Paola Andrea Franco,
  • Brigitte Gavio

摘要

Thirteen species of red macroalgae are newly reported for islands of Old Providence and Santa Catalina in the Southwestern Caribbean Sea. Of these taxa, Acrochaetium affine is a new record for Colombia, Aglaothamnion halliae, Chondria atropurpurea, Corallophila atlantica, Gelidiella lubrica, Herposiphonia secunda, H. pecten-veneris and Liagora albicans are new records for the Biosphere Reserve Seaflower, while Acrothamnion butlerae, Ganonema norrisiae, Melanothamnus sphaerocarpus, Perikladosporon percurrens and Trichogloeopsis pedicellata are new records for both islands, being reported at other localities in the Archipelago. The algal material was collected in coral reef habitats (3–16 m depth), during the Scientific Expedition Seaflower 2019. Their morphological features are discussed. During the past decade, phycological research in the Biosphere Reserve Seaflower has revealed a much more diverse marine flora than historically appreciated, and recent sampling continues to add new taxa to the marine flora of the area.