Powdery mildew is a common disease on many types of plants and is prevalent under the diverse conditions found in many areas of...

Anthracnose is a group of diseases found on many deciduous and evergreen trees and shrubs; some trees such as sycamore, ash, and...

Fire blight, caused by the bacterium Erwinia amylovora, is a common and frequently destructive disease of pome fruit trees and related...

Begonia— Begonia spp. Family Begoniaceae (Begonia family) Plant Identification Begonias are perennial plants, but many are grown as...

Pansy, Violet— Viola spp. Family Violaceae (Violet family) Plant Identification Pansies and most violets are perennial plants, although...