found: ITIS, Apr. 12, 2006(Carya glabra (P. Mill.) Sweet, pignut hickory)
found: NatureServe explorer, Apr. 12, 2006(Carya glabra (P. Mill.) Sweet, Sweet Pignut Hickory; Carya glabra var. glabra, Pignut Hickory; Carya glabra var. hirsuta, Swamp Hickory; Carya glabra var. megacarpa, Pignut Hickory)
found: The plants database, Apr. 12, 2006(Carya glabra (P. Mill.) Sweet, pignut hickory)
found: The Plant Press dict. of common names, via WWW, Apr. 12, 2006(Carya glabra. Hog Nut, Pig Nut Hickory, Pignut, Pignut Hickory)
found: GRIN taxonomy for plants, via WWW, Apr. 12, 2006(Carya glabra. Common names: pignut hickory, sweet pignut)
