![](/img/cover-not-exists.png)
A Seven-Year Study of Cone Production as Related to Xylem Layers and Temperature in Pinus ponderosa
R. DaubenmireVolume:
64
Language:
english
Journal:
American Midland Naturalist
DOI:
10.2307/2422901
Date:
July, 1960
File:
PDF, 642 KB
english, 1960