Vascular Flora of the Deep Fork National Wildlife Refuge, Okmulgee County, Oklahoma

ABSTRACT  The Deep Fork National Wildlife Refuge (3,925 ha) is located in east-central Oklahoma. We report 584 taxa of vascular plants (565 species and 19 infraspecific taxa), 349 genera, and 106 families. The largest families were the Poaceae (with 84 taxa), Asteraceae (73 taxa), and Fabaceae (45 taxa). Eighty introduced taxa and 13 taxa tracked by the Oklahoma Natural Heritage Inventory were encountered.