Uredinales is an order of basidiomycotic fungi. Many of the members of this order are rusts which are important pathogens of plants including cereals.
Coleosporium tussilaginis (a rust fungus)
Photographs of this species, some enlarged, growing on the underside of leaves and magnified images of the uredospores.
Photographs of members of this family of heteroecious rusts which have two alternating hosts, typically a pine and a flowering plant.
Many photographs, some enlarged or magnified, of this rust fungus.
Information on this pathogen which alternates between two host species, and photograph of it erupting from infected cedar tissue after rain.
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.
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.
Photographs of this rust fungus which infects ferns, and magnified images of the uredospores.
Microscopic image showing the cross section of a uredinium.
Microscopic image showing an appressorium arising from a germinating urediniospore.
Several enlarged photographs of these minute fungi.
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.
Image of teliospores.
Microscopic image of this species on a Berberis leaf.
Image showing the two-celled teliospores of this species which causes stem rust of wheat.
Image of the urediniospores.
Photographs of several species of Puccinia, Uromyces pisi-sativi and Uromyces dactylidis.
Information from Wikipedia on the Uredinales, plant parasites which mainly cause foliar infections.
Last update:September 2, 2015 at 7:45:05 UTC