Elm trees threatened by bark beetle
Martinez, Harold P.
Article
1960
Lasca leaves
10
23
Scolytus multistriatus
The Arboretum Library at the Los Angeles County Arboretum and Botanic Garden
English
Arcadia, Calif, California Arboretum Foundation, 1950-1976
In copyright. Digitized with the permission of the rights holder.
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