Slippery Elm (Ulmus rubra)
Ulmus rubra - Species Page - APA: Alabama Plant Atlas
Mid-Atlantic Herbaria - Ulmus rubra
Ulmus rubra hi-res stock photography and images - Alamy
slippery elm
Slippery elm
Ulmus rubra - Species Page - ISB: Atlas of Florida Plants
Virginia Tech Dendrology Fact Sheet
USDA Plants Database
Slippery Elm (Great Smoky Mountains National Park - Trees & Shrubs) · iNaturalist