Author: Harvey Monroe Hall
Title: A rubber plant survey of western North America
Publisher: Berkeley, University of California press
Subject (keywords, tags): Rubber plants
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
Chrysothamnus nauseosus and its varieties, by H. M. Hall.--Chrysil, a new rubber from Chrysothamnus nauscosus, by H. M. Hall and T. H. Goodspeed.--The occurrence of rubber in certain west Ameican shrubs, by H. M. Hall and T. H. Goodspeed
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