Keywords: Sambucus nigra canadensis & cerulea range map 1.png en Natural distribution map for the North American Sambucus nigra black blue elderberry subspecies Sambucus nigra subsp canadensis green from Little's S canadensis map and red from Little's S mexicana Presl map Sambucus nigra subsp cerulea dark blue from Little's S glauca map and light blue from Little's S velutina map 1976 1777 http //esp cr usgs gov/data/little/ USGS Geosciences and Environmental Change Science Center Digital Representations of Tree Species Range Maps from Elbert L Little Jr 1976 Atlas of United States trees Vol 3 minor Western hardwoods U S Department of Agriculture Miscellaneous Publication 1314 13 p 290 maps and Elbert L Little Jr 1977 Atlas of United States trees Vol 4 minor Eastern hardwoods U S Department of Agriculture Miscellaneous Publication 1342 17 p 230 maps Elbert L Little Jr of the U S Department of Agriculture Forest Service PD-USGov Sambucus nigra range maps Uploaded with UploadWizard Sambucus canadensis range maps Sambucus cerulea range maps Arizona flora distribution maps Sambucus nigra California flora distribution maps Sambucus nigra Arizona transition zone/Mogollon Rim flora distribution maps |