*PDF* Read A Checklist Of The Cone Seed Insects Of North American Conifers Download Full

Language: en
Pages: 136

Cone and Seed Insects of North American Conifers

Authors: Alan F. Hedlin

Categories: Cones (Botany)

Type: BOOK - Published: 1980 - Publisher: Canadian Forestry Service ; [Washington, D.C.] : United States Forest Service; [Chapingo, Mexico] : Secretaria de Agricultura y Recursos Hidraulicos

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Summarizes information on the recognition, biology, and importance of cone and seed destroying insects of Canada, the United States, and Mexico.

Language: en
Pages: 88

Cone and Seed Diseases of North American Conifers

Authors: North American Forestry Commission

Categories: Cones (Botany)

Type: BOOK - Published: 1987 - Publisher: North American Forestry Commission

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Of information on the biology, description, distribution, detection, and management of cone and seed diseases in Canada, Mexico and the United States. Disease d