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Filtering by: Subject Ash (Plants) -- Identification Creator Gilkey, Helen M., 1886 1972

Winter twigs; a wintertime key to deciduous trees and shrubs of northwestern Oregon and western Washington

Creator:

Gilkey, Helen M., 1886-1972 and Packard, Patricia Lois

Resource Type:

Book

Full Text:

. M. Dietz, former Head of Botany and Plant Pathology at Oregon State University, and Dr. Roy A. Young
Livestock-poisoning plants of Oregon

Creator:

Gilkey, Helen M., 1886-1972 and Johnston, L. D. (La Rea Dennis)

Abstract:

Yearly livestock losses from plant poisoning in the United States amount to many millions of dollars. Although the annual toll from this cause in Oregon is not spectacular, its increase in recent years justifies calling attention to the better known toxic plants. In this manual we have attempted to bring...

Resource Type:

Technical Report

Full Text:

— Introduction YEARLY LIVESTOCK LOSSES from plant poisoning in the United States amount to many millions of