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Ponderosa pine at tree farm
Ponderosa pine at Weyerhaeuser's Antelope tree farm in SE. Oregon N.B. pine regeneration in openings following past harvesting.
Ponderosa pine at 54 years. thinned at age 43 years to 50sq.ft/acre.
Ponderosa pine at 54 years. thinned at age 43 years to 50sq.ft/acre. Taylor Woods. United States Forest Service Flagstaff.
Ponderosa Pine and Sagebrush, Vernon-Penticton BC
Pine and shrub hill
Ponderosa pine 250 years, Coconino National Forest.
Ponderosa pine 250 years, Coconino National Forest. Flagstaff, Arizona.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest. Flagstaff, Arizona
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest. Flagstaff, Arizona
Ponderosa and lodgepole pine
Mixed ponderosa and lodgepole pine, at 200yrs, after fire. N.B. regeneration in opening. Antelope Tree Farm of Weyerhaeuser SE. Oregon.
Polyphemus moth
Photograph of the side view of a polyphemus moth perched upon a twig. Latin name: Antheraea polyphemus
Pollination bag with tree
Pollination bag on and off tree
Pollen profile of oak, New Forest
pollen profile