The Red List of Magnoliaceae
Authors: Cicuzza, D., Newton, A. and Oldfield, S.
Publisher: Botanic Gardens Conservation International (BGCI) and Fauna & Flora International (FFI)
Place of Publication: Cambridge, England.
ISBN: 9781 903703 23 6
http://www.bgci.org/files/Media_Kit/magnolia_red_list_.pdf
Source: Manual
Preferred by: Adrian Newton