Series of revisions of opocynaceae: XI-XIII
Leeuwenberg, A.J.M.
Series of revisions of opocynaceae: XI-XIII - Wageningen 1983 - No. 83-7; Wageningen Mededelin .
582.937
Series of revisions of opocynaceae: XI-XIII - Wageningen 1983 - No. 83-7; Wageningen Mededelin .
582.937