Observations, systematical and geographical, on the herbarium collected by Professor Christian Smith, in the vicinity of the Congo Prodromus Systematis Naturalis Regni Vegetabilis Bentham & Hooker system De Candolle system Hutchinson system
Observations, systematical and geographical, on the herbarium collected by Professor Christian Smith, in the vicinity of the Congo Prodromus Systematis Naturalis Regni Vegetabilis Bentham & Hooker system De Candolle system Hutchinson system