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By: Ehrlich, JohnEdition:Publication info: Jamaica Plain, Mass, The Arnold Arboretum of Harvard University, 1934Volume: No.7Series:Holding Institution: Harvard University Botany LibrariesSubjects:BHL Collections:
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By: Ehrlich, JohnEdition:Publication info: Missoula, Mont, Northern Rocky Mountain Forest & Range Experiment Station, 1939Volume: no.1Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Ehrlich, JohnType: ArticleIn: Journal of the Arnold ArboretumVolume: 13Series:Issue: 1Date: 1932Page Range: 75--80Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects: