Career
During his career he served as a "Medicinalrath" (medical counselor) and also worked as a county physician in Bayreuth. The plant genus Koellia (family Lamiaceae) is named in his honor.
During his career he served as a "Medicinalrath" (medical counselor) and also worked as a county physician in Bayreuth. The plant genus Koellia (family Lamiaceae) is named in his honor.
Regensburg Botanical Society]
He was a member of the Regensburgische Botanische Gesellschaft (Botanical Society of Regensburg).