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Colorado State University

Colorado State University is one of our nation's leading research universities with world-class research in infectious disease, atmospheric science, clean energy technologies, and environmental science. It was founded in 1870 as the Colorado Agricultural College, six years before the Colorado Territory became a state.

Colorado State University, located in Fort Collins, Colorado, is situated on nearly 5,000 acres of land, including the main campus, a foothills campus, an agricultural campus, and a mountain campus (Pingree Park). Colorado State also has 4,600 acres for research centers, Cooperative Extension offices, and Colorado State Forest Service stations.
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Image Subject Name Scientific Name Description
5369819 rust Puccinia malvacearum Symptoms on the upperside of leaf.  Photograph taken September 24, 2007
5369756 rust Puccinia malvacearum Pustules on the underside of leaf. Photograph taken November 3, 2007
5369757 rust Puccinia malvacearum Pustules on the underside of leaf. Photograph taken November 3, 2007
5408102 fir broom rust Melampsorella caryophyllacearum
5366503 onion rust Puccinia allii A cultivated garlic leaf with a rust infection caused by Puccinia porri.
5366502 onion rust Puccinia allii A cultivated garlic leaf with a rust infection caused by Puccinia porri.
5366501 onion rust Puccinia allii A cultivated garlic leaf with a rust infection caused by Puccinia porri.
5366500 onion rust Puccinia allii A cultivated garlic leaf with a rust infection caused by Puccinia porri.
5366499 onion rust Puccinia allii A cultivated garlic leaf with a rust infection caused by Puccinia porri.
5366498 onion rust Puccinia allii A cultivated garlic leaf with a rust infection caused by Puccinia porri.
5366497 onion rust Puccinia allii A cultivated garlic plant with a rust infection caused by Puccinia porri.
5366496 onion rust Puccinia allii A cultivated garlic plant with a rust infection caused by Puccinia porri.
5366495 onion rust Puccinia allii A cultivated garlic field with a rust infection caused by Puccinia porri.
5366494 onion rust Puccinia allii A garlic leaf with a rust infection caused by Puccinia porri in the field.
5366493 onion rust Puccinia allii A garlic leaf with a rust infection caused by Puccinia porri in the field.
5366492 onion rust Puccinia allii A garlic leaf with a rust infection caused by Puccinia porri in the field.
5361617 rust Puccinia helianthi A sunflower head with red rust infection caused by Puccinia helianthi in the field.
5361616 rust Puccinia helianthi A sunflower head with red rust infection caused by Puccinia helianthi in the field.
5361615 rust Puccinia helianthi A sunflower head with red rust infection caused by Puccinia helianthi in the field.
5362696 rust Puccinia helianthi A sunflower leaf harboring the telial stage of the sunflower red rust fungus Puccinia helianthi in the field.
5362611 rust Puccinia helianthi A sunflower leaf with red rust infection caused by Puccinia helianthi in the field.
5362609 rust Puccinia helianthi A sunflower leaf with red rust infection caused by Puccinia helianthi in the field.
5362610 rust Puccinia helianthi A sunflower leaf with red rust infection caused by Puccinia helianthi in the field.
5362978 rust Puccinia aristidae Spinach leaves infected with  Puccinia aristidae, the spinach red rust  fungus.
5362977 rust Puccinia aristidae A close-up shot of a spinach leaf infected with  Puccinia aristidae, the spinach red rust  fungus.
5362976 rust Puccinia aristidae Spinach leaves with symptoms of spinach red rust infection caused by Puccinia aristidae in the field.
5362975 rust Puccinia aristidae Spinach leaves with symptoms of spinach red rust infection caused by Puccinia aristidae in the field.
5362974 rust Puccinia aristidae A spinach leaf with symptoms of spinach red rust infection caused by Puccinia aristidae in the field.
5362973 rust Puccinia aristidae Spinach leaves with symptoms of spinach red rust infection caused by Puccinia aristidae in the field.
5362972 rust Puccinia aristidae A spinach plant with symptoms of spinach red rust infection caused by Puccinia aristidae in the field.
5362971 rust Puccinia aristidae A spinach plant with symptoms of spinach red rust infection caused by Puccinia aristidae in the field.
5361072 oat crown rust Puccinia coronata var. avenae Three oat leaf specimens showing symptoms of oat crown rust infection caused by the fungus Puccinia coronata.
5360397 coffee leaf rust Hemileia vastatrix Coffee leaves showing symptoms of coffee rust infection caused by Hemileia vastatrix in the field.
5360398 coffee leaf rust Hemileia vastatrix Coffee leaves showing symptoms of coffee rust infection caused by Hemileia vastatrix in the field.
5369755 poplar rust Melampsora medusae Yellowish uredia fruiting bodies are on the underside of the leaf.
5358446 rust Puccinia helianthi A sunflower leaf showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358444 rust Puccinia helianthi A sunflower leaf showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358445 rust Puccinia helianthi A sunflower flowerhead showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358443 rust Puccinia helianthi A sunflower leaf showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358441 rust Puccinia helianthi A sunflower flowerhead showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358442 rust Puccinia helianthi A sunflower flowerhead and leaves showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358439 rust Puccinia helianthi A sunflower flowerhead showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358440 rust Puccinia helianthi A sunflower flowerhead showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358438 rust Puccinia helianthi Sunflower plants showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5358436 rust Puccinia helianthi Sunflower plants showing symptoms of red rust infection caused Puccinia helianthi by in the field.
5357463 crown rust Puccinia coronata Crown rust (Puccinia coronata) infected oat straws on buckthorn bush (Rhamnus carthartica) in the field.
5362982 rust Puccinia aristidae Leaf of a beet plant showing symptoms of infection with spinach red rust (Puccinia aristidae).
5358415 rust Puccinia aristidae Close-up view of a beet leaf showing symptoms of infection with spinach red rust (Puccinia aristidae).
5358414 rust Puccinia aristidae Leaf of a beet plant showing symptoms of infection with spinach red rust (Puccinia aristidae).
5361001 dry bean rust Uromyces appendiculatus Rust (Uromyces appendiculatus) infection of a snap bean leaflet.
5360999 dry bean rust Uromyces appendiculatus Rust (Uromyces appendiculatus) infection of a snap bean plant.
5360998 dry bean rust Uromyces appendiculatus Rust (Uromyces appendiculatus) infection of a snap bean field.
5366993 limb rust Peridermium filamentosum Ponderosa pine tree showing evidence of infection with limb rust (Peridermium filamentosum).
5366990 comandra blister rust Cronartium comandrae "Spike top" symptom of comandra rust (Cronartium comandrae) in a lodgepole pine.
5366977 fir broom rust Melampsorella caryophyllacearum Fir tree showing characteristic symptoms of fir broom rust (Melampsorella caryophyllacearum).
5366976 spruce broom rust Chrysomyxa arctostaphyli Spruce tree showing symptoms of spruce broom rust, Chrysomyxa arctostaphyli.
5366975 spruce broom rust Chrysomyxa arctostaphyli Spruce trees exhibiting symptoms of spruce broom rust, Chrysomyxa arctostaphyli.
5366972 Melampsora rusts Melampsora spp. Symptoms of rust infection (Melampsora sp.) in cottonwood.
5366966 western gall rust Endocronartium harknessii Pine tree in a plantation showing symptoms of western gall rust.
5366965 western gall rust Endocronartium harknessii Hip canker of western gall rust (Endocronartium harknessii) on a lodgepole pine.
5366956 Gynosporanium rusts Gymnosporangium spp. Witches' brooms in a juniper, caused by a rust (Gymnosporangium sp.).
5366954 Gynosporanium rusts Gymnosporangium spp. Juniper tree with witches' broom caused by juniper broom rust.
5366953 juniper broom rust Gymnosporangium speciosum Symptoms of orange gall rust (Gymnosporangium speciosum) on a juniper.
5366952 juniper broom rust Gymnosporangium speciosum Orange gall rust (Gymnosporangium speciosum) on a juniper.
5357475 eastern pine gall rust Cronartium quercuum Ponderosa pine showing symptoms of eastern pine gall rust caused by the fungus Cronatium quercuum.
5357473 cedar-apple rust Gymnosporangium juniperi-virginianae Rust galls on a cedar tree serving as an alternate host to the cedar-apple rust fungus Gymnosporangium juniperi-virginianae.
5357472 cedar-apple rust Gymnosporangium juniperi-virginianae Rust galls on a cedar tree serving as an alternate host to the cedar-apple rust fungus Gymnosporangium juniperi-virginianae.
5362979 rust Puccinia aristidae Lambsquarters (Chenopodium album) showing symptoms of spinach red rust (Puccinia aristidae).
5362114 stripe rust Puccinia striiformis Spring wheat plants showing signs and symptoms of stripe rust (Puccinia striiformis).
5362116 stripe rust Puccinia striiformis Spring wheat plants showing signs and symptoms of stripe rust (Puccinia striiformis).
5362112 stripe rust Puccinia striiformis Spring wheat plants showing signs and symptoms of stripe rust (Puccinia striiformis).
5362110 stripe rust Puccinia striiformis Spring wheat plants showing signs and symptoms of stripe rust (Puccinia striiformis).
5359597 stripe rust Puccinia striiformis Stripe rust (Puccinia striiformis) on leaves of winter wheat.
5365617 dry bean rust Uromyces appendiculatus A volumteer drybean plant showing symptoms of the rust fungus Uromyces appendiculatus.
5365616 dry bean rust Uromyces appendiculatus A volumteer drybean plant showing symptoms of the rust fungus Uromyces appendiculatus.
5361601 dry bean rust Uromyces appendiculatus Rust (Uromyces appendiculatus) focal point in a field of dry beans.
5363674 dry bean rust Uromyces appendiculatus Symptoms of bean rust (Uromyces appendiculatus) on the pinto bean cultivar "Cahone."
5363673 dry bean rust Uromyces appendiculatus Symptoms of bean rust (Uromyces appendiculatus) on the pinto bean cultivar "UI126."
5363672 dry bean rust Uromyces appendiculatus Symptoms of bean rust (Uromyces appendiculatus) on the pinto bean cultivar "UI114."
5363671 dry bean rust Uromyces appendiculatus Symptoms of bean rust (Uromyces appendiculatus) on the dry bean cultivar "NW410."
5363957 dry bean rust Uromyces appendiculatus Advanced symptoms of bean rust (Uromyces appendiculatus) in the canopy of a bean field.
5363954 dry bean rust Uromyces appendiculatus Early symptoms of bean rust (Uromyces appendiculatus) in a field, showing the focal location of infection.
5363955 dry bean rust Uromyces appendiculatus Early symptoms of bean rust (Uromyces appendiculatus) in a field, showing the focal location of infection.
5363964 dry bean rust Uromyces appendiculatus Symptoms of dry bean rust (Uromyces appendiculatus) after spot inoculation of a leaf in the laboratory, demonstrating resistance to infection.
5363963 dry bean rust Uromyces appendiculatus Symptoms of dry bean rust (Uromyces appendiculatus) after spot inoculation of a leaf in the laboratory, demonstrating a susceptible reaction.
5363960 dry bean rust Uromyces appendiculatus Portions of dry bean leaves demonstrating various sizes of rust pustules (Uromyces appendicultus) on the upper and  under surfaces of leaves.
5363959 dry bean rust Uromyces appendiculatus Series of leaves showing degrees of rust (Uromyces appendiculatus) incidence in dry beans.
5363958 dry bean rust Uromyces appendiculatus Advanced symptoms of bean rust (Uromyces appendiculatus) in a field.
5363956 dry bean rust Uromyces appendiculatus Advanced symptoms of bean rust (Uromyces appendiculatus) in a field, showing the focal location of infection.
5363943 dry bean rust Uromyces appendiculatus Symptoms of rust (Uromyces appendiculatus) on the stem of a bean plant.
5361048 dry bean rust Uromyces appendiculatus Bean plants defoliated by rust (Uromyces appendiculatus).
5361047 dry bean rust Uromyces appendiculatus Bean plants severely infested with rust (Uromyces appendiculatus).
5361412 dry bean rust Uromyces appendiculatus Aerial view of nursery experiments with pestcide applications in a study of the pathology of bean rust (Uromyces appendiculatus).
5361406 dry bean rust Uromyces appendiculatus Bean leaves displaying the "green island effect" of bean rust (Uromyces appendiculatus).
5360411 dry bean rust Uromyces appendiculatus Rust telia (Uromyces appendiculatus) on drybeans (Phaseolus coccineus) at Tamulipas, Honduras.
5360408 dry bean rust Uromyces appendiculatus Rust (Uromyces appendiculatus) on wild drybeans (Phaseolus vulgaris) in the wild at Tamulipas, Honduras.
5360409 dry bean rust Uromyces appendiculatus Rust (Uromyces appendiculatus) on wild drybeans (Phaseolus vulgaris) in the wild at Tamulipas, Honduras.
5360407 dry bean rust Uromyces appendiculatus Jim Groth examing rust (Uromyces appendiculatus) on wild drybeans (Phaseolus vulgaris) in the wild.
5358987 dry bean rust Uromyces appendiculatus Field of dry beans displaying prominent symptoms of bean rust (Uromyces appendiculatus) near Ovid, Colorado.
5357179 dry bean rust Uromyces appendiculatus Close-up view of a pycnium and an aecium of bean rust (Uromyces appendiculatus).
5357178 dry bean rust Uromyces appendiculatus Close-up view of a pycnium and an aecium of bean rust (Uromyces appendiculatus).
5357177 dry bean rust Uromyces appendiculatus Close-up view of the pycnium of bean rust (Uromyces appendiculatus).
5357176 dry bean rust Uromyces appendiculatus Close-up view of the pycnium of bean rust (Uromyces appendiculatus).
5366488 onion rust Puccinia allii Evidence of Puccinia porri (P. allii), a rust infecting onions.
5366489 onion rust Puccinia allii Pustules of Puccinia porri (P. allii), a rust infecting onions.

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