Paul Günther Lorentz

He focused his attention towards the study of mosses, subsequently collecting specimens throughout Europe (the Black Forest, the Austrian Alps, Switzerland, northern Italy and Scandinavia).

[1] With his assistant, Georg Hieronymous, he conducted botanical investigations through the northern provinces of Jujuy and Salta, and into the lowlands of the Gran Chaco and Bolivia.

His collection of lichens from the expedition were shipped to August von Krempelhuber and his Hepaticae specimens were sent to bryologist Karl Müller.

[1] In 1874, due to political events, he relocated to Concepción del Uruguay as an instructor of natural history.

published Lorentzianthus, which is a monotypic genus of South American flowering plants in the boneset tribe within the sunflower family.