The Global Flora Special Edition: GLOVAP Nomenclature Part 1 - Maarten M.J. Christenhusz, Michael F. Fay, James W. Byng - Google Books

https://books.google.de/books?id=hrBVDwAAQBAJ&pg=PA94&lpg=PA94&dq=Fay+und+Byng+sorbus&source=bl&ots=zg8J_DBsts&sig=9NWnZ_J_UFnkn

 This volume includes the first nomenclatural changes needed to update the classification of vascular plant families and genera following the forthcoming Global List of Vascular Plants (GLOVAP). We provide two new genera, four new species, 415 new names…