apple rust(n = noun.plant) cedar-apple rust, gymnosporangium juniperi-virginianae - rust fungus causing rust spots on apples and pears etc; Array
is a kind of rust, rust fungus
is a member of genus gymnosporangium, gymnosporangium

adam's apple, american crab apple, apple, apple aphid, apple blight, apple butter, apple canker, apple dumpling, apple fritter, apple geranium, apple jelly, apple juice, apple maggot, apple mint, apple nut, apple of discord, apple of peru, apple orchard, apple pie, apple polisher, apple polishing, apple sauce, apple tart, apple tree, apple turnover, balsam apple, bell apple, big apple, blade apple, blister rust, candied apple, candy apple, caramel apple, cedar-apple rust, cherry apple, common thorn apple, cooking apple, crab apple, cultivated crab apple, custard apple, custard apple tree, dessert apple, eating apple, flax rust, flax rust fungus, green apple aphid, iowa crab apple, jamaica apple, kai apple, kangaroo apple, kei apple, kei apple bush, love apple, mad apple, mammee apple, may apple, oak apple, orchard apple tree, oregon crab apple, otaheite apple, pitch apple, pond apple, prickly custard apple, rose apple, rust, rust fungus, rust inhibitor, rust mite, sea apple, siberian crab apple, sorb apple, sorb apple tree, southern crab apple, star apple, sugar apple, taffy apple, thorn apple, toffee apple, western crab apple, wheat rust, white pine blister rust, white rust, white-pine rust, wild apple, woolly apple aphid