He was soon involved in botanical investigation in Greenland.

Gerbel drew Brunfels' attention to the healing powers of plants and thus gave the impetus to the further botanical investigations.

During the 1890s he performed botanical investigations in Jerichower Land and Vorharz with Paul Ascherson (1834-1913).

Unlike the previous two surveys, botanical and zoological investigations were not included.

He aided the botanical investigations of Martín Sessé y Lacasta, which were to result in the Flora mexicana (1894).

Lamy de la Chapelle is known for botanical investigations of Haute-Vienne.

While botanical investigations constituted much the greater part of Dr. Engelmann's scientific work, he always had in hand data for other investigations.

Warming, E.; Historical notes on the botanical investigations of the Færöes.

Jameson made botanical investigations and collections in Greenland, Ecuador and in other South American countries.

In addition to botanical investigations, Rauwolff observed and recorded his impressions of the people, customs, and sights of the Levantine region.