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Note on small red and green galls or swellings on upper surface of silver maple leaves

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By: United States. Bureau of Entomology and Plant Quarantine. Division of Forest Insect Investigations.

Publication info: Beltsville, Maryland, United States Departmentof Agriculture, Bureau of Entomology and Plant Quarantine, Division of Forest Insect Investigations, 1951

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Diseases and pests Eriophyidae Galls (Botany) Leaves Silver maple