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British Sorbus (Rosaceae): Six new species, two hybrids and a new subgenus.
(Maney Publishing, 2014)
Six new Sorbus species are described in Sorbus subgenus Aria; S. evansii T.C.G. Rich, sp. nov., S. greenii T.C.G. Rich, sp. nov., S. herefordensis D. Green, sp. nov., S. richii L. Houston, sp. nov., S. sellii T.C.G. Rich, ...