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ISSN : 2287-8327
New record of the red algae, Halarachnion parvum (Gigartinales) and Champia lubrica (Rhodymeniales), from Korea
Young Ho Koh (Department of Biology, Jeju National University)
Myung Sook Kim (Department of Biology and Research Institute for Basic Sciences, Jeju National University)
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Abstract
We report the first finding of Halarachnion parvum and Champia lubrica from Korea based on morphology and the plastid rbcL sequence analyses. H. parvum occurs in the subtidal zone of Munseom, the southern part of Jeju. Thalli have short stipe, and elliptical to ovate fronds with marginal proliferations of up to 3 cm in height. H. parvum has zonately divided tetrasporangia and cystocarp immersed under the cortical layer. Champia lubrica appears in Namhae, Gyeongnam and Seopseom, Jeju. Thalli are erect, irregularly branched, terete, obtuse apex, up to 3–5 cm high, and have tetrahedrally divided tetrasporangia. Molecular analyses of the plastid rbcL gene reveal that two species are clearly separated from other species of their respective genera. H. parvum is sister with Halarachnion latissimum in 3.1–3.2% sequence divergence, and C. lubrica is closely related to the sample from Japan with 0.2% sequence divergence.
- keywords
- Champia lubrica, Halarachnion parvum, morphology, rbcL, Rhodophyta, taxonomy
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