SELECTED LIST OF TREES 33 



Trees for the Prairie States 

 DECIDUOUS OR BROADLEAFED TREES 



Black Walnut (Jublans nigra) Sycamore (Platanus occidentalis) 



Cottonwood (Populus deltoides) Box Elder (Acer negundo) 



Bur Oak (Quercus macrocarpa) Green Ash (Fraxinus pennsylvanica 



Hackberry (Celtis occidentalis) lanceolata) 



American Elm (Ulmus americana) Hardy Catalpa (Catalpa speciosa) 



CONIFEROUS OR EVERGREEN TREES 



White Pine (Pinus strobus) White Fir (Rocky Mountain form. 



Western Yellow Pine (Pinus ponder- Abies concolor) 



osa) Arborvitae (Thuya occidentalis) 



Jack Pine (Pinus banksiana) Red Cedar (Platte River, Nebr. form. 



Western White Spruce (Black Hills, Juniperus virginiana) 



S. D. form. Picea glauca alberti- Rocky Mountain Red Cedar (Juni- 



ana) perus scopulorum) 

 Douglas Fir (Rocky Mountain form. 



Pseudotsuga taxifolia) 



Trees for Northern Rocky Mountain States 

 DECIDUOUS OR BROADLEAFED TREES 



Balsam Poplar (Populus balsamifera) Green Ash (Fraxinus pennsylvanica 

 Narrowleaf Cottonwood (Populus lanceolata) 



angustifolia) American Elm (Ulmus americana) 

 Box Elder (Acer negundo) 



CONIFEROUS OR EVERGREEN TREES 



Western White Pine (Pinus monticola) Blue Spruce (Picea pungens) 



Western Yellow Pine (Pinus Douglas Fir (Pseudotsuga taxifolia) 



ponderosa) Western Red Cedar (Giant Arbor- 

 Western Larch (Larix occidentalis) vitae (Thuya plicata) 

 Engelmann Spruce (Picea engel- 



mannii) 



Trees for Southern Rocky Mountain States 

 DECIDUOUS OR BROADLEAFED TREES 

 (Points below approximately 1500 feet elevation) 



Black or Yellow Locust (Robinia Osage Orange (Toxylon pomiferum) 



pseudoacacia) Huisache (Acacia farnesiana) 



Pepper Tree (Schinus molle) Cat's Claw (Acacia greggii) 



Cottonwopds (Populus macdougallii, Ratema or Horse Bean (Parkinsonia 



P. wislizenii. aculeata) 



Cedar Elm (Ulmus crassifolia) China Tree (Melia azedarach) 



Hackberry (Celtis reticulata, C. mis- Giant Cactus (Carnegiea gigantea) 



sissippiensis) Joshua-tree (Yucca brevifolia) 



