Pests of ornamental trees, shrubs and flowers a color handbook von Alford, D. V.

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Pests of ornamental trees, shrubs and flowers a color handbook von Alford, David V.

A color atlas of pests of ornamental trees, shrubs, and flowers von Alford, D. V.

Ball identification guide to greenhouse pests and beneficials von Gill, Stanton, Sanderson, John

Ball field guide to diseases of greenhouse ornamentals includes certain problems often misdiagnosed as contagious diseases von Daughtrey, Margery, Chase, Ann R.