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By: Hawkinson, WilliamType: ArticleIn: DelascanVolume: 1963Series:Issue:Date: 1963Page Range: 2Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969Subjects:
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By: Hawkinson, WilliamType: ArticleIn: Lasca leavesVolume: 22Series:Issue:Date: 1972Page Range: 56-59,67Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976Subjects: