Stock Photo: Buttressed trunk of Swamp Tupalo, Nyssa biflora, Middle Fork of the Suwannee River, Okefenokee Swamp, Okefenokee National Wildlife Refuge, Georgia.

Stock Photo: 4332-4174 Buttressed trunk of Swamp Tupalo, Nyssa biflora, Middle Fork of the Suwannee River, Okefenokee Swamp, Okefenokee National Wildlife Refuge, Georgia.