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Article Title

Notes on Saxifragaceae

Abstract

Over half of the Arkansas members of the Saxifragaceae are notable due to unusual morphology or distribution within the state. They range from the inconspicuous Lepuropetalon spathulatum (Muhl.) Ell. to the conspicuous Hydrangea arborescens L. Several genera (Heuchera, Parnassia, Philadephus, Ribes) include species with highly restricted ranges in Arkansas, and one includes a single species, Mitella diphylla L., known in Arkansas only from Stone County. Special attention is called to problems in Saxifraga and Heuchera, and a modified treatment of Heuchera arkansana is proposed. An annotated list and list of excluded names for the Arkansas Saxifragaceae is included.

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