Marssonina
| Marssonina | |
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| Marssonina betulae from Commanster, Belgium | |
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| Genus: | Marssonina Magnus 1906  | 
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 See text.  | |
Marssonina is a genus of fungi in the family Dermateaceae.
The genus name of Marssonina is in honour of Theodor Friedrich Marsson (1816–1892), who was a German pharmacist and botanist.
The genus was circumscribed by Paul Wilhelm Magnus in Hedwigia vol.45 on page 89 in 1906.