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Scirpus; Plant morphology; Vegetation surveys


An analysis of 32 populations of bulrushes in the Scirpus validus-acutus complex growing in Itasca State Park and prairie ponds to the west indicates that most of the populations are referable to neither S. validus nor S. acutus but, rather, are intermediate in morphology. Further, the supposedly characteristic features by which the two nomenclatural species have been identified are erratically correlated.

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