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32 Trees Native to Thornton, Colorado
1 - 32
1. Blue Spruce
Picea pungens
2. Quaking Aspen
Populus tremuloides
3. Western Chokecherry
Prunus virginiana
4. Saskatoon Berry
Amelanchier alnifolia
5. Ponderosa Pine
Pinus ponderosa
6. Douglas Fir
Pseudotsuga menziesii
7. Gray Alder
Alnus incana
8. Rocky Mountain Juniper
Juniperus scopulorum
9. Common Juniper
Juniperus communis
10. Box Elder
Acer negundo
11. Sandbar Willow
Salix exigua
12. Water Birch
Betula occidentalis
13. Sugarberry
Celtis laevigata
14. Alder-Leaf Mountain-Mahogany
Cercocarpus montanus
15. Eastern Cottonwood
Populus deltoides
16. American Plum
Prunus americana
17. Gambel Oak
Quercus gambelii
18. Rocky Mountain Lodgepole Pine
Pinus contorta var. latifolia
19. Balsam Poplar
Populus balsamifera
20. Utah Serviceberry
Amelanchier utahensis
21. Twoneedle Pinyon
Pinus edulis
22. Peachleaf Willow
Salix amygdaloides
23. Lanceleaf Cottonwood
Populus ×acuminata
24. Black Hills Ponderosa Pine
Pinus ponderosa var. scopulorum
25. Cerro Hawthorn
Crataegus erythropoda
26. Narrowleaf Cottonwood
Populus angustifolia
27. Gray Willow
Salix bebbiana
28. Sandbar Willow
Salix exigua
29. Plains Cottonwood
Populus deltoides subsp. monilifera
30. Park Willow
Salix monticola
31. Ashleaf Maple
Negundo aceroides
32. Strapleaf Willow
Salix ligulifolia
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