by Philip M. McDonald , Philip M McDonald
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Incense-cedar
Tanoak
Vegetation in group-selection openings
Release of Douglas-fir seedlings
Twenty-five years of managing vegetation...
California's hardwood resource
They Do It with Mirrors
On the Growth of Plants in Closely Glaze...
The movements and habits of climbing pla...
Entrepreneurship in America
Topics in Botany Lab Separates
Soil conditions and plant growth