Keywords: L81 Map 10 Crataegus crus-galli.png en Map 10 Crataegus crus-galli - cockspur hawthorn 1981 Atlas of United States trees Vol 6 Supplement U S Department of Agriculture Miscellaneous Publication 1410 31 p 39 maps Elbert L Little Jr U S Department of Agriculture Forest Service PD-USGov Uploaded with UploadWizard Crataegus crus-galli range maps Atlas of United States Trees |