chorology

He also standardized the practices of chorography and chorology.

The ecology and chorology of Parkia in Africa.

He is known for his concept of chorology, the study of places and regions, a concept that also influenced Carl O. Sauer.

From work done in his time in Gatersleben and Halle, in 1950 Rothmaler published his Allgemeine Taxonomie und Chorologie der Pflanzen (General taxonomy and chorology of plants), and the first edition of his Exkursionsflora (Excursion flora).