Winter twigs ; a wintertime key to deciduous trees and shrubs of northwestern Oregon and western Washington / by Helen M. Gilkey [and] Patricia L. Packard. Plates I-XIV inclusive by Patricia L. Packard, other drawings by Helen M. Gilkey.
Uniform Title: | Oregon State monographs. Studies in botany ;
no. 12. |
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Main Author: | |
Other Authors: | |
Language: | English |
Published: |
Corvallis :
Oregon State University Press,
[1962]
|
Series: | Oregon State monographs. Studies in botany ;
no. 12. |
Subjects: | |
Genre: | |
Physical Description: | 109 pages : illustrations ; 24 cm. |
Format: | Book |
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