The hybrid status of Spartina anglica (Poaceae). Enzymatic analysis of the species and of the presumed parents

Abstract
Three enzymatic systems were analysed in Spartina alterniflora Loisel., S. maritima (Curt.) Fernald, and S. anglica C. E. Hubbard, using samples gathered in the west of France. Examination of the acid phosphatases, esterases, and superoxide dismutases demonstrates certain analogies found in the three species. The hypothesis of a hybrid origin for S. anglica remains probable and is indeed enhanced by the isoforms of the esterases.

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