Geosmithia
Geosmithia | |
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Geosmithia morbida on leaves of black walnut | |
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Geosmithia
Pitt (1979)
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Type species | |
Geosmithia lavendula (Raper & Fennell) Pitt (1979)
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Geosmithia is a genus of anamorphic fungi of uncertain familial placement in the order Eurotiales. The genus, circumscribed by Australian mycologist John Pitt in 1979,[1] is widely distributed. A 2008 estimate placed ten species in the genus,[2] but several new species have since been described. Thousand cankers disease, which affects economically important black walnut (Juglans nigra) populations in North America, is caused by Geosmithia morbida.[3]
Species in the genus are generally similar to those in Penicillium, but can be distinguished from them by forming cylindrical conidia from rough-walled phialides. Additionally, the conidia of Geosmithia do not have a green color, in contrast to the characteristic blue-grey or green-grey conidia of Penicillium. Some Geosmithia species have teleomorphic forms that are classified in the genus Talaromyces. The generic name Geosmithia honors British mycologist George Smith.[1]
Species
- Geosmithia eburnea[4]
- Geosmithia emersonii
- Geosmithia eupagioceri[5]
- Geosmithia fassatiae[6]
- Geosmithia flava
- Geosmithia langdonii[6]
- Geosmithia lavendula
- Geosmithia malachitea[7]
- Geosmithia microcorthyli
- Geosmithia morbida
- Geosmithia namyslowskii
- Geosmithia obscura[6]
- Geosmithia putterillii
- Geosmithia rufescens[5]
- Geosmithia swiftii
- Geosmithia tibetensis[8]
References
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External links
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