Oscar Drude – författare

Phytogeographic Survey Of North America

A Consideration Of The Phytogeography Of The North American Continent, Including Mexico, Central America And The West Indies, Together With The Evolution Of North American Plant Distribution

Phytogeographic Survey Of North America

A Consideration Of The Phytogeography Of The North American Continent, Including Mexico, Central America And The West Indies, Together With The Evolution Of North American Plant Distribution

Vegetation der Erde

Sammlung pflanzengeographischer Monographien

Handbuch Der Pflanzengeographie