Treub is remembered for his botanical work with tropical flora on the island of Java.

At the same time he contemplated the abandonment of botanical work.

The earliest surviving illustrated botanical work is the Codex vindobonensis.

He continued his botanical and other scientific work, remaining in regular contact with his homeland through a Bohemian glass trading company.

However, the herbarium collection increased and more time was directed to horticulture and botanical work.

In addition to his botanical work, Palmgren made an impressive political act as a 22-year-old student.

He did botanical work in Missouri in 1910 and later worked in London.

It is possible that he wrote also a botanical work.

He is known particularly now for his botanical work, which was important for the study of the flora of Thailand.

The attractive engraved title of a famous botanical work, printed in five volumes, 1836-42.