Genus of fungi
Vestergrenia is a genus of fungi belonging to the family Dothideaceae. The type species is "Vestergrenia nervisequia".
The genus was circumscribed by Heinrich Simon Ludwig Friedrich Felix Rehm in Hedwigia vol.40 on page 100 in 1901.
The genus name of "Vestergrenia" is in honour of Jacob Tycho Conrad Vestergren (1875–1930), who was a Swedish teacher and botanist (Mycology). He taught chemistry und botany at various schools and university institutions in Stockholm. 
Affects.
It has been found on the dead stems of "Cryptostegia grandiflora" in Kannad, India. It causes roundish, dark brown spots about 1mm wide. 
In New Zealand, "Vestergrenia leucopogonis" Hansf. 1957 was found on "Cyathodes fasciculata" and "Leucopogon fasciculatus".
Distribution.
The genus has almost cosmopolitan distribution, for example species "Vestergrenia multipunctata" (G. Winter) Arx &amp; E. Müll. (1954) is found in New Zealand, with "Vestergrenia leucopogonis" Hansf. 1957. While specimens of "Vestergrenia nervisequia" Rehm were found in Rio de Janeiro, Brazil. "Vestergrenia pandani" P.B. Chavan &amp; Hosag. (1984) has been recorded in India.
Species.
As accepted by Species Fungorum;
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Former species;
References.
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