rust fungus

rust fungus

n. Any of various fungi of the order Uredinales, having complex life cycles and often reddish-orange spores, and infecting a wide variety of plants.

Thesaurus

Noun

1.

rust fungus - any of various fungi causing rust disease in plantsrustfungus - an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytiaorder Uredinales, Uredinales - rust fungi: parasitic fungi causing rust in plants; sometimes placed inaecium - fruiting body of some rust fungi bearing chains of aeciosporesaeciospore - spore of a rust fungus formed in an aeciumflax rust, flax rust fungus, Melampsora lini - fungus causing flax rustCronartium ribicola, blister rust - fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate hostPuccinia graminis, wheat rust - rust fungus that attacks wheatapple rust, cedar-apple rust, Gymnosporangium juniperi-virginianae - rust fungus causing rust spots on apples and pears etc