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Sphaerulina
Scientific Name: Sphaerulina
Family: Mycosphaerellaceae
Category: Lichen
Growth:
Duration:
Other Names:
Sphaerulina: A Genus of Fungi
Sphaerulina is a genus of fungi belonging to the family Mycosphaerellaceae.
Taxonomy and Nomenclature
- Kingdom: Fungi
- Family: Mycosphaerellaceae
- Synonym: Micronutriella (in Czech, French, and German)
Distribution and Habitat
Species within the Sphaerulina genus have been found in various locations, including:
- Argentina (Formosa, Tierra del Fuego)
- Paraguay (Asuncin Parque Caballero)
- Australia
Ecological Role
Many Sphaerulina species are plant pathogens, meaning they can cause diseases in plants. Specific examples include:
- Sphaerulina oryzina: Infects rice, causing Cercospora leaf spot or narrow brown leaf spot.
- Sphaerulina rehmiana: Infects roses.
- Sphaerulina rubi: Infects caneberries (e.g., raspberries, blackberries), causing raspberry leaf spot.
- Sphaerulina musiva: Causes leaf spot and stem canker, particularly impacting plantations of poplar and other species.
- Sphaerulina tirolensis: Causes leaf spot on Rubus phoenicolasius.
Morphological Characteristics
- Sphaerulina mimosae-pigrae: Occurs on green leaf pinnae.
- After infection with Cercospora oryzae, linear leaf lesions develop which are 2-10 mm long and usually not more than 1-1.5 mm wide. The long axis is parallel to that of the leaf.
Specific Species
- Sphaerulina codiicola
- Sphaerulina rhododendricola: Named after the host genus Rhododendron.
- Sphaerulina myriadea
- Sphaerulina albispiculata
- Sphaerulina pedicellata
- Sphaerulina aechmeae
- Sphaerulina fuegiana
- Sphaerulina coffaeicola
- Sphaerulina populicola
Interactions with other organisms
Some species within the genus interact directly with plants.
- Sphaerulina aechmeae is associated with Aechmea polystachya.
- Sphaerulina fuegiana is associated with Hierochloe antarctica.
- Sphaerulina coffaeicola is associated with Coffea arabica.
- Sphaerulina musiva - Populus pathosystem
Resources and Further Information
- Index Fungorum
- USDA ARS Fungal Database
- European Nucleotide Archive (e.g., Sphaerulina musiva SO2202)
- Discover Life
- WoRMS (World Register of Marine Species)