Pflanzengeographie auf Physiologischer Grundlage.

In this work on the geographical distribution of plants Schimper coined the terms tropical rainforest and sclerophyll. English translation by William R. Fisher, revised and edited by Percy Groom and Isaac Bayley Balfour as Plant-Geography upon a physiological basis (Oxford, 1903). Digital facsimile of the 1903 translation from Google Books at this link. Digital facsimile of the 1908 second German edition from the Internet Archive at this link.