- APSnet Image of the week: Gymnosporangium juniperi-virginianae - Spermogonia of this species that causes cedar-apple rust on the upper side of an apple leaf and aecia of the fungus on the lower side.
- Black Stem Rust - Photographs and information on the life cycle of Puccinia graminis which affects wheat, barley and other grasses.
- Brown Rust - Photographs and information on the life cycle of Puccinia tritcina which affects wheat, barley, rye and grasses.
- Coleosporium tussilaginis (a rust fungus) - Photographs of this species, some enlarged, growing on the underside of leaves and magnified images of the uredospores.
- Cronartiaceae - Photographs of members of this family of heteroecious rusts which have two alternating hosts, typically a pine and a flowering plant.
- Cumminsiella mirabilissima - Many photographs, some enlarged or magnified, of this rust fungus.
- Gymnosporangium clavipes - Information on this pathogen which alternates between two host species, and photograph of it erupting from infected cedar tissue after rain.
- Gymnosporangium juniperi-virginianae - An illustrated article by Tom Volk on this rust fungus which is parasitic on the eastern red cedar and the apple tree, alternating between these two hosts.
- Milesina dieteliana - Photographs of this rust fungus which infects ferns, and magnified images of the uredospores.
- Miyagia pseudosphaeria - Microscopic image showing the cross section of a uredinium.
- Phakopsora pachyrhizi - Microscopic image showing an appressorium arising from a germinating urediniospore.
- Phleogena faginea - Several enlarged photographs of these minute fungi.
- Puccinia - Two magnified images of the fruiting bodies of Puccinia species which grow as parasites on foliage.
- Puccinia antirrhini (Snapdragon Rust) - Several photographs of this species which infects antirrhinums, and microscopic images of the uredospores.
- Puccinia coronata - Image of teliospores.
- Puccinia graminis - Image showing the two-celled teliospores of this species which causes stem rust of wheat.
- Puccinia graminis - Information on the black rust or stem rust of wheat. Photographs of the aecial stage on Barberry (Berberis vulgaris) and an enlargement of the aecia and the teliospores.
- Puccinia graminis - Microscopic image.
- Puccinia graminis - Microscopic image.
- Puccinia graminis - Microscopic image of this species on a Berberis leaf.
- Puccinia graminis - Microscopic image.
- Puccinia graminis - Microscopic image.
- Puccinia melanocephala - Image of the urediniospores.
- Pucciniaceae - Photographs of several species of Puccinia, Uromyces pisi-sativi and Uromyces dactylidis.
- Rust - Information from Wikipedia on the Uredinales, plant parasites which mainly cause foliar infections.
- Rust Fungi - A number of photographs of rust infections.
- Sphaerotheca spiraeae - Photograph and information on this powdery mildew affecting a plant of Meadowsweet, Filipendula ulmaria.
- Yellow Rust - This disease of cereals is caused by Puccinia striiformis and different forms affect wheat and barley. Photographs and information on its life cycle.
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