| Sorbus decora | 
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| At the Akureyri Botanical Gardens | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Rosids | 
 
| Order: | Rosales | 
 
| Family: | Rosaceae | 
 
| Genus: | Sorbus | 
| Species: | S. decora | 
| Binomial name | 
| Sorbus decora 
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| Natural range includes southern tip of Greenland (not shown) | 
| Synonyms | 
| List  
Pyrus americana var. decora Sarg.Pyrus decora (Sarg.) HylandSorbus americana var. decora (Sarg.) Sarg.Aucuparia subvestita (Greene) Nieuwl.Pyrus decora var. groenlandica (C.K.Schneid.) FernaldPyrus dumosa (Greene) FernaldPyrus groenlandica (C.K.Schneid.) K.R.RobertsonPyrus sambucifolia S.Watson & J.M.Coult.Pyrus sitchensis B.L.Rob. & Fernald inPyrus subvestita (Greene) Farw.Sorbus americana PurshSorbus americana var. groenlandica C.K.Schneid.Sorbus americana var. sitchensis (M.Roem.) Sudw.Sorbus decora var. groenlandica (C.K.Schneid.) G.N.JonesSorbus dumosa HouseSorbus groenlandica (C.K.Schneid.) Á.Löve & D.LöveSorbus sambucifolia DippelSorbus scopulina HoughSorbus subvestita Greene
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Sorbus decora, commonly known as the northern mountain ash, showy mountain-ash, Greenland mountain-ash, and dogberry, is a species of deciduous shrub or very small tree native to northeastern North America.