Invasive nonnative plants are a serious subject for gardeners, farmers, the general public, and land managers. Understanding invasive species and how to control them is becoming increasingly important for gardeners.
Lodgepole pine (Pinus conorta) is a widely distributed forest type across western North America. Central Oregon lodgepole pine forests are ecologically unique when compared to other lodgepole pine ecosystems. Sierra lodgepole pine (Pinus contorta ssp. murrayana) is the dominant variety and often exists as the climax species on pumice soils,...
Blue-striped Brodiaea or Leach's Brodiaea (Triteleia hendersonii Greene var. leachiae [Peck] Hoover, or Brodiaea hendersonii Wats. var. leachiae ) Lily Family (Liliaceae) is found in the foothills of the Siskiyou Mountains of Curry, Coos and Josephine Counties of southwestern Oregon. It is occurs in a variety of habitats including meadow...
In 1959, a large scale grazing study in western Oregon was
initiated to compare the value of perennial ryegrass (Lolium perenne
L.) with subclover (Trifolium subterraneum L.) and tall fescue
(Festuca arundinacea Schreb.) with subclover, and to evaluate common
use grazing on them. The present investigation was undertaken
to determine...
The data used in the design of this hydro-electric
generating station was furnished by Hon. Walter M. Pierce
from a survey conducted by T. R. Barry C. E. in the service
of the Grande Ronde Water Co. during the summer of
1906.
In the preparation of this thesis there were...