| Lygodiaceae | Lygodium microphyllum | Old World Climbing Fern, Small-leaf Climbing Fern | Swamps, hammocks, disturbed areas. | Native of se. Asia. This plant is a noxious weed in the FL peninsula, where it is documented as far north as Pasco, Marion, Lake, and Volusia counties. Reported for Baldwin County, AL (H. Horne, pers. comm., 2023). | 
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| Lygodiaceae | Lygodium palmatum | American Climbing Fern, Hartford Fern | Bogs, moist thickets, swamp forests, sandstone outcrops, roadside ditches and roadbanks, in strongly acid soils. | NH, VT, NY, and MI south to SC, n. GA, and n. AL, widely scattered except in the Cumberland Plateau of KY, TN, and AL, where it is most common | 
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