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idmoz Science Biology Flora and Fauna Fungi Basidiomycota Uredinales

Uredinales Websites

Uredinales is an order of basidiomycotic fungi. Many of the members of this order are rusts which are important pathogens of plants including cereals.- Category ID : 419033
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Cronartiaceae
Photographs of members of this family of heteroecious rusts which have two alternating hosts, typically a pine and a flowering plant.
2 -

Rust
Information from Wikipedia on the Uredinales, plant parasites which mainly cause foliar infections.
3 -

Puccinia graminis
Microscopic image.
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Puccinia graminis
Microscopic image.
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Puccinia graminis
Microscopic image.
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Puccinia graminis
Microscopic image.
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Puccinia graminis
Microscopic image of this species on a Berberis leaf.
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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.
9 -

Puccinia
Two magnified images of the fruiting bodies of Puccinia species which grow as parasites on foliage.
10 -

Phleogena faginea
Several enlarged photographs of these minute fungi.
11 -

Coleosporium tussilaginis (a rust fungus)
Photographs of this species, some enlarged, growing on the underside of leaves and magnified images of the uredospores.
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Puccinia antirrhini (Snapdragon Rust)
Several photographs of this species which infects antirrhinums, and microscopic images of the uredospores.
13 -

Cumminsiella mirabilissima
Many photographs, some enlarged or magnified, of this rust fungus.
14 -

Pucciniaceae
Photographs of several species of Puccinia, Uromyces pisi-sativi and Uromyces dactylidis.
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Milesina dieteliana
Photographs of this rust fungus which infects ferns, and magnified images of the uredospores.
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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.
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Puccinia coronata
Image of teliospores.
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Gymnosporangium clavipes
Information on this pathogen which alternates between two host species, and photograph of it erupting from infected cedar tissue after rain.
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Miyagia pseudosphaeria
Microscopic image showing the cross section of a uredinium.
20 -

Phakopsora pachyrhizi
Microscopic image showing an appressorium arising from a germinating urediniospore.
21 -

Puccinia graminis
Image showing the two-celled teliospores of this species which causes stem rust of wheat.
22 -

Puccinia melanocephala
Image of the urediniospores.
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