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Chrysomyxa arctostaphyli Dietel
Coleosporiaceae

Chrysomyxa arctostaphyli Dietel

Chrysomyxa arctostaphyli Dietel

Chrysomyxa arctostaphyli is a North American basidiomycete fungus that causes spruce broom rust disease on spruce trees.

Chrysomyxa ledicola Lagerh.
Coleosporiaceae

Chrysomyxa ledicola Lagerh.

Chrysomyxa ledicola Lagerh.

Chrysomyxa ledicola is a plant pathogen that causes spruce-Labrador tea rust and was behind 2011's Alaska orange goo event.

Chrysomyxa rhododendri (DC.) de Bary
Coleosporiaceae

Chrysomyxa rhododendri (DC.) de Bary

Chrysomyxa rhododendri (DC.) de Bary

Chrysomyxa rhododendri is a pathogenic fungus that causes spruce needle rust, found in European mountain regions.

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Coleosporiaceae

Coleosporium asterum (Dietel) Syd. & P.Syd.

Coleosporium asterum (Dietel) Syd. & P.Syd.

Coleosporium asterum is a rust fungus that infects Asteraceae plants and two North American pines, first found in 1898 in Japan.

Coleosporium campanulae (Pers.) Lév.
Coleosporiaceae

Coleosporium campanulae (Pers.) Lév.

Coleosporium campanulae (Pers.) Lév.

Coleosporium tussilaginis is a plant pathogenic rust fungus in Coleosporiaceae that infects Campanula rotundifolia.

Coleosporium tussilaginis (Pers.) Lév.
Coleosporiaceae

Coleosporium tussilaginis (Pers.) Lév.

Coleosporium tussilaginis (Pers.) Lév.

Coleosporium tussilaginis is a pathogenic rust fungus in Coleosporiaceae that infects Campanula rotundifolia and produces two spore types.

Coleosporium euphrasiae (Schumach.) G.Winter
Coleosporiaceae

Coleosporium euphrasiae (Schumach.) G.Winter

Coleosporium euphrasiae (Schumach.) G.Winter

Coleosporium euphrasiae is a rust fungus plant pathogen that infects Campanula rotundifolia and produces two spore types.

Coleosporium petasitis (DC.) Cooke
Coleosporiaceae

Coleosporium petasitis (DC.) Cooke

Coleosporium petasitis (DC.) Cooke

Coleosporium tussilaginis is a pathogenic rust fungus from Coleosporiaceae that infects Campanula rotundifolia.

Coleosporium sonchi (F.Strauss) Lév.
Coleosporiaceae

Coleosporium sonchi (F.Strauss) Lév.

Coleosporium sonchi (F.Strauss) Lév.

Coleosporium sonchi is a plant-pathogenic rust fungus in Coleosporiaceae that infects Campanula rotundifolia and produces two spore types.

Cronartium ribicola J.C.Fisch.
Cronartiaceae

Cronartium ribicola J.C.Fisch.

Cronartium ribicola J.C.Fisch.

Cronartium ribicola J.C.Fisch. is a rust fungus that causes white pine blister rust, favoring cool, moist conditions.

Cronartium quercuum (Berk.) Miyabe ex Shirai
Cronartiaceae

Cronartium quercuum (Berk.) Miyabe ex Shirai

Cronartium quercuum (Berk.) Miyabe ex Shirai

Cronartium quercuum, or pine-oak gall rust, is a fungus that causes disease in pines and oaks across the Americas, Caribbean, and Asia.

Cronartium harknessii E.Meinecke
Cronartiaceae

Cronartium harknessii E.Meinecke

Cronartium harknessii E.Meinecke

Western gall rust (pine-pine gall rust) is a pine fungal disease caused by Cronartium harknessii, forming galls that can kill young saplings.

Melampsora pulcherrima Maire
Melampsoraceae

Melampsora pulcherrima Maire

Melampsora pulcherrima Maire

Melampsora pulcherrima Maire is a Mediterranean rust plant pathogen that infects two host species at different times of year.

Naohidemyces vaccinii (Jørst.) S.Sato, Katsuya & Y.Hirats. ex Vanderweyen & Fraiture
Pucciniastraceae

Naohidemyces vaccinii (Jørst.) S.Sato, Katsuya & Y.Hirats. ex Vanderweyen & Fraiture

Naohidemyces vaccinii (Jørst.) S.Sato, Katsuya & Y.Hirats. ex Vanderweyen & Fraiture

Naohidemyces vaccinii is a plant pathogen causing leaf rust on Vaccinium and early needle cast on Tsuga, with a multi-stage wind-borne life cycle.

Gymnoconia nitens (Schwein.) F.Kern & Thurst.
Phragmidiaceae

Gymnoconia nitens (Schwein.) F.Kern & Thurst.

Gymnoconia nitens (Schwein.) F.Kern & Thurst.

Gymnoconia nitens is a Phragmidiaceae rust fungus pathogen that causes orange rust on berries, first described in 1822.

Arthuriomyces peckianus (Howe) Cummins & Y.Hirats.
Phragmidiaceae

Arthuriomyces peckianus (Howe) Cummins & Y.Hirats.

Arthuriomyces peckianus (Howe) Cummins & Y.Hirats.

Arthuriomyces peckianus is a fungal plant pathogen that causes orange rust on Rubus plants and is found in North America and Eurasia.

Triphragmium ulmariae (DC.) Link
Raveneliaceae

Triphragmium ulmariae (DC.) Link

Triphragmium ulmariae (DC.) Link

Triphragmium ulmariae is a Phragmidiaceae rust fungus that causes damaging meadowsweet rust gall on meadowsweet plants.

Phragmidium violaceum (Schultz) Brockm.
Phragmidiaceae

Phragmidium violaceum (Schultz) Brockm.

Phragmidium violaceum (Schultz) Brockm.

Phragmidium violaceum is a Rubus-infecting plant pathogen used for biological control of invasive blackberries.

Phragmidium potentillae (Pers.) P.Karst.
Phragmidiaceae

Phragmidium potentillae (Pers.) P.Karst.

Phragmidium potentillae (Pers.) P.Karst.

Frommeella tormentillae is a rust fungus in Phragmidiaceae that acts as a plant pathogen affecting strawberries.

Kuehneola uredinis (Link) Arthur
Phragmidiaceae

Kuehneola uredinis (Link) Arthur

Kuehneola uredinis (Link) Arthur

Kuehneola uredinis is a fungal plant pathogen that causes cane and leaf rust in certain Rubus and blackberry species.

Puccinia oxalidis Dietel & Ellis
Pucciniaceae

Puccinia oxalidis Dietel & Ellis

Puccinia oxalidis Dietel & Ellis

Puccinia oxalidis is a Puccinia fungus that causes rust on Oxalis plants, originally found in Mexico.

Puccinia lagenophorae Cooke
Pucciniaceae

Puccinia lagenophorae Cooke

Puccinia lagenophorae Cooke

Puccinia lagenophorae is an Australia-origin rust fungus that infects certain Asteraceae plants and produces aecia and telia.

Puccinia mariae-wilsoniae Clinton
Pucciniaceae

Puccinia mariae-wilsoniae Clinton

Puccinia mariae-wilsoniae Clinton

Puccinia mariae-wilsoniae is a North American rust fungus that infects portulacaceous hosts, with one named variety.

Puccinia malvacearum Bertero ex Mont.
Pucciniaceae

Puccinia malvacearum Bertero ex Mont.

Puccinia malvacearum Bertero ex Mont.

Puccinia malvacearum, or hollyhock/mallow rust, is an autoecious fungus that infects Malvaceae plants, with controls noted for the US.

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