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http://dx.doi.org/10.4490/algae.2015.30.3.207

Caloglossa beccarii (Delesseriaceae, Rhodophyta) from freshwater rivers in Kerala, India, a critical new record  

West, John A. (School of Botany, University of Melbourne)
Kamiya, Mitsunobu (Faculty of Marine Bioscience Fukui Prefectural University)
Ganesan, E.K. (Instituto Oceanografico, Universidad de Oriente)
Louiseaux-de Goer, Susan (11 Rue des Moguerou)
Jose, L. (Department of Botany, St. Albert's College)
Publication Information
ALGAE / v.30, no.3, 2015 , pp. 207-216 More about this Journal
Abstract
Caloglossa species occurs in freshwater streams around Southest Asia. We report it from 2 different riverine sites in Kerala, India. Tetrasporangiate plants were observed in field collections from the Periyar River and Chalakkudy River. The Chalakkudy isolate did not reproduce in culture but the Periyar isolate developed abundant tetrasporangial sori in culture. Many spores were discharged and most were abortive, but some germinated normally, sporelings forming male gametophytes with numerous spermatangial sori and females with many procarps, viable carposporophytes and some nonfunctional (no carpospores) pseudocystocarps. Some carpospores germinated forming new tetrasporophytes. Molecular evidence (28S rDNA and rbcL) placed the Indian specimens close to C. beccarii and C. fluviatilis. Considering the freshwater habitat and morphology of vegetative thalli (blade shape, rhizoid arrangement, and number of rhizoid filament per cell), the Indian specimens should be assigned to C. beccarii.
Keywords
Caloglossa beccarii; Caloglossa fluviatilis; India; Kerala; LSU; rbcL;
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