• ALGAE
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• v.25 no.4
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• pp.183-185
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• 2010

Costularia Ju. Petrov et I. Gussarova, published in 1970, is a preoccupied name by Clarke, 1898 for a genus of monocotyledonous flowering plants in the family Cyperaceae (Magnoliophyta) and thus illegitimate. Costulariella nom. nov. is proposed as a replacement. The distribution and morphology of this little-known species are discussed.