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By: Wittrock, Marion - Wittrock, G. L.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 43Series:Issue: 507Date: 1942-03Page Range: 57--71Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-Subjects:
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By: Wittrock, Marion - Wittrock, G. L.Type: ArticleIn: Journal of the New York Botanical GardenVolume: 43Series:Issue: 507Date: 1942-03Page Range: 76--86Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-Subjects: