Rust: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos and Videos

A green leaf with numerous bright orange and yellow spots, showing symptoms of cedar-apple rust disease.

Small brown mushrooms growing at the base of a tree.

See All Videos and Images →

Topics

white rust white-pine blister rust black stem rust Cedar-apple rust fungus Oomycota Plant disease Dutch elm disease Ergot Coffee rust Late blight Chestnut blight Bunt Powdery mildew Panama disease Anthracnose Leaf blister

Key People

default image

Elvin Charles Stakman

American plant pathologist

default image

Heinrich Anton de Bary

German botanist

default image

J.C. Arthur

American botanist