Vascular Flora of the Keystone Wildlife Management Area, Creek, Pawnee, and Osage Counties, Oklahoma

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Bruce W. Hoagland
Amy K. Buthod

Abstract

This paper reports the results of an inventory of the vascular plants at the Keystone Wildlife Management Area in northeastern Oklahoma. A total of 380 taxa of vascular plants in 254 genera and 79 families were collected. The most species were collected from the families Poaceae (58), Asteraceae (57), and Fabaceae (30). There were 160 annual and 220 perennial species. Fifty-six species of woody plants were present. A total of 59 exotic species were collected representing 15% of the flora. No species tracked by the Oklahoma
Natural Heritage Inventory for rarity were found.

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