Bohlmann's main area of work was natural products chemistry, especially terpenes and polyynes. These were mainly isolated from plants of the
Asteraceae family, (formerly Compositae), and their structure was elucidated. Bohlmann also worked on the characterization of
quinolizidine alkaloids. Bohlmann's list of publications includes around 1300 publications. His collaboration with the biodiversity informatics working group at the
Berlin Botanical Garden resulted in a system with which the chemical substances of the Compositae were made accessible in a database, the "Bohlmann Files". The
Bohlmann-Rahtz pyridine synthesis is named after Bohlmann and Dieter Rahtz. == Honors ==