C.K. Schneid. No year - Plantae Wilsonianae an enumeration of the woody plants collected in Western China for the Arnold Arboretum of Harvard University during the years 1907, 1908 and 1910 by E.H. Wilson edited by Charles Sprague Sargent ... 2(3): 492. 1916. (Pl. Wilson.)
There is no corrections for Alnus subg. Cremastogyne yet.