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Actinella comperei (Eunotiophycidae, Bacillariophyta): A New Endemic Freshwater Diatom from Tasmania (Australia)

Koen Sabbe, Koenraad Vanhoutte and Wim Vyverman
Systematics and Geography of Plants
Vol. 70, No. 2, Fresh Water Algae: Taxonomy, Biogeography and Conservation (2000), pp. 237-243
DOI: 10.2307/3668642
Stable URL: http://www.jstor.org/stable/3668642
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Actinella comperei (Eunotiophycidae, Bacillariophyta): A New Endemic Freshwater Diatom from Tasmania (Australia)
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Abstract

Actinella comperei sp. nov. is described from Clarence Lagoon, an oligotrophic lake in the Tasmanian highlands (Australia). Its frustule morphology, as studied in light and scanning electron microscopy, is compared with that of other recently described Actinella species from Australasia. Actinella comperei differs from other Actinella species in valve shape, stria density and rimoportula arrangement. As most other species described from Australasia, A. comperei appears to be endemic to this region. Moreover, within Tasmania it has hitherto only been found in Clarence Lagoon, which holds several diatom species endemic to Tasmania, and at least one other species endemic to the lake (Biremis clarensis).

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