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By: Cromwell, GaryType: ArticleIn: GardenVolume: 2Series:Issue: 6Date: 1978Page Range: 5-8Publication Info: [New York, Garden Society], 1977-Subjects: Engelmann oak English oak Live oak Oak Quercus accutissima Quercus agrifolia Quercus engelmannii Quercus robur Quercus rubra Sawtooth oak
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By: Enari, LeonidType: ArticleIn: Lasca leavesVolume: 25Series:Issue:Date: 1975Page Range: 69-72Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976Subjects: English oak Quercus robur