Revision of Crataegus Sect. Crataegus and Nothosect. Crataeguineae (Rosaceae-Maloideae) in the Old World

Knud Ib Christensen
Bok · Engelsk · 1992

Utgitt	Ann Arbor : American Society of Plant Taxonomists , 1992
Omfang	199 s. : ill.
ISBN	0912861355