The 19th century saw the peak of botanical exploration.

Before coming to England, he spent nine months on a botanical exploration of Persia.

This book established his reputation and reports on his botanical explorations in Hungary.

Working outward from his station in Havana, he engaged in a botanical exploration of the entire country.

It is named after David Douglas, who collected seed from the plant during his botanical explorations.

He is best known for his botanical explorations in the Caucasus region, including northeast Turkey.

His plant specimens from Texas were widely distributed in Europe and stimulated later botanical exploration.

The wild wheats were not described until the mid-19th century because of the poor state of botanical exploration in the Near East, where they grow.

The history of botanical exploration in the Outer Hebrides may conveniently be divided into four periods.

After completing his course he taught philosophy, medicine, and botany for many years at the same university, besides making botanical explorations in various parts of Italy.