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Published July 10, 2025 | Version v1
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Gracilariopsis grevogerungii (Gracilariales, Rhodophyta), a new species of marine algae from Indonesia

Authors/Creators

  • 1. Pukyong National University, Busan, Republic of Korea
  • 2. Seaweed Research Institute, National Institute of Fisheries Science, Haenam, Republic of Korea

Description

Gracilariopsis grevogerungii G.H.Boo & I.K.Hwang, sp. nov., a new species from southern Indonesia, is described based on morphological features and molecular data from two genes: the plastid-encoded rbcL and the mitochondrial COI-5P. Gracilariopsis grevogerungii can be distinguished from other species in the same genus by a combination of traits: terete main axes with irregular branches and scarce short branchlets, and hemispherical cystocarps with up to 3 ostioles and 9–14 cell-layered pericarp. The species occurred on sandy-muddy substrates in the intertidal to the shallow subtidal zone. Phylogenies based on rbcL and COI-5P revealed its sister relationship with the subclade of Gp. heteroclada from China and Gp. mclachlanii from Tanzania. Our results highlight the need for further findings of the agar-yielding Gracilariaceae in southern Indonesia, expanding our knowledge of red algal diversity in tropical Southeast Asia.

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Additional details

Cites
Publication: 10.1016/j.heliyon.2024.e31073 (DOI)
Publication: 10.1111/j.1529-8817.2008.00552.x (DOI)
Publication: 10.1080/09670269400650641 (DOI)
Publication: 10.1016/j.ympev.2016.05.018 (DOI)
Publication: 10.1111/j.1529-8817.1989.tb00117.x (DOI)
Publication: 10.1111/j.0022-3646.2003.02-129.x (DOI)
Publication: 10.1046/j.1529-8817.2003.02046.x (DOI)
Publication: 10.1111/jpy.12765 (DOI)
Publication: 10.1111/j.1529-8817.2005.00088.x (DOI)
Publication: 10.4490/ALGAE.2008.23.3.209 (DOI)
Publication: 10.1515/BOT.2010.031 (DOI)
Publication: 10.1093/molbev/msw054 (DOI)
Publication: 10.1016/j.ympev.2021.107294 (DOI)
Publication: 10.13057/biodiv/d220759 (DOI)
Publication: 10.1111/pre.12032 (DOI)
Publication: 10.1093/sysbio/sys029 (DOI)
Publication: 10.1098/rstb.2005.1719 (DOI)
Publication: 10.1080/00318884.2021.1880755 (DOI)
Publication: 10.1093/nar/gkw256 (DOI)
Publication: 10.1016/j.algal.2023.103074 (DOI)
Publication: 10.1007/s13258-015-0306-1 (DOI)
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Figure: 10.3897/phytokeys.259.154294.figure1 (DOI)
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Figure: 10.3897/phytokeys.259.154294.figure4 (DOI)
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Figure: https://zenodo.org/record/15868558 (URL)
Figure: https://zenodo.org/record/15868556 (URL)
Figure: https://zenodo.org/record/15868560 (URL)

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