Chestnut blight on tree in Adams County Ohio

Some

fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...

are considered

invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...

in certain parts of the world: *''

Amanita muscaria ''Amanita muscaria'', commonly known as the fly agaric or fly amanita, is a basidiomycete of the genus ''Amanita''. It is also a muscimol mushroom. Native throughout the temperate and boreal regions of the Northern Hemisphere, ''Amanita muscar ...

'' *''

Amanita phalloides ''Amanita phalloides'' (), commonly known as the death cap, is a deadly poisonous basidiomycete fungus, one of many in the genus ''Amanita''. Widely distributed across Europe, but now sprouting in other parts of the world, ''A. phalloides ...

'' *'' Batrachochytrium dendrobatidis'' *'' Batrachochytrium salamandrivorans'' *'' Carpenterella'' *'' Cryphonectria parasitica'' – causes

chestnut blight The pathogenic fungus ''Cryphonectria parasitica'' (formerly ''Endothia parasitica'') is a member of the Ascomycota (sac fungi). This necrotrophic fungus is native to East Asia and South East Asia and was introduced into Europe and North America ...

*'' Cucumispora dikerogammari'' *''

Geosmithia morbida ''Geosmithia morbida'' is a species of anamorphic fungus in the Bionectriaceae family that, together with the activity of the walnut twig beetle, causes thousand cankers disease in species of walnut trees (''Juglans spp.''). It was described as ...

'' which, in partnership with the walnut twig beetle ''

Pityophthorus juglandis ''Pityophthorus juglandis'', also known as the walnut twig beetle for feeding on several different species of walnut trees, ''Juglans'', is one of only a few species in the genus ''Pityophthorus'' that is associated with hardwoods and the only on ...

'', causes thousand cankers disease *'' Heterobasidion irregulare'' *''

Hymenoscyphus fraxineus ''Hymenoscyphus fraxineus'' () is an ascomycete fungus that causes ash dieback, a chronic fungal disease of ash trees in Europe characterised by leaf loss and crown dieback in infected trees. The fungus was first scientifically described in 200 ...

'' *''

Puccinia horiana ''Puccinia horiana'' is a species of fungus that causes chrysanthemum white rust, is a disease of plant species of the genus ''Chrysanthemum''. Origin and spread Chrysanthemum white rust (CWR) was first identified in Japan in 1895. It is now est ...

'' – causes Chrysanthemum white rust *'' Puccinia psidii'' *'' Pucciniastrum americanum'' *'' Ophiognomonia clavigignenti-juglandacearum'' *certain ''

Ophiostoma ''Ophiostoma'' is a genus of fungi within the family Ophiostomataceae. It was circumscribed in 1919 by mycologists Hans Sydow and Paul Sydow. Species *''Ophiostoma adjuncti'' *'' Ophiostoma ainoae'' *'' Ophiostoma allantosporum'' *'' Ophiosto ...

'' species which cause

Dutch elm disease Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America ...

**''

Ophiostoma ulmi ''Ophiostoma ulmi'' is a species of fungus in the family Ophiostomataceae. It is one of the causative agents of Dutch elm disease. It was first described under the name ''Graphium ulmi'', and later transferred to the genus ''Ophiostoma''. Dutc ...

'' **''

Ophiostoma himal-ulmi ''Ophiostoma himal-ulmi'' is a species of fungus in the family Ophiostomataceae. It is one of the causative agents of Dutch elm disease. It was first isolated around breeding galleries of scolytid beetles in the bark of ''Ulmus wallichiana'' (t ...

'' **''

Ophiostoma novo-ulmi ''Ophiostoma'' is a genus of fungi within the family Ophiostomataceae. It was circumscribed in 1919 by mycologists Hans Sydow and Paul Sydow. Species *''Ophiostoma adjuncti'' *'' Ophiostoma ainoae'' *'' Ophiostoma allantosporum'' *'' Ophiosto ...

'' *'' Pseudogymnoascus destructans'' *''

Uredo rangelii ''Austropuccinia psidii'', commonly known as myrtle rust, guava rust, or ʻōhiʻa rust; is a rust (a type of plant pathogen) native to South America that affects plants in the family Myrtaceae. It is a member of the fungal complex called the ...

References

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Invasive fungi