Joséphine Thérèse Koster

Dutch botanist (1902–1986).

Joséphine Thérèse Koster (23 June 1902 – 22 June 1986) was a botanist. She named many plants in the genera Piora, Vernonia, and others. The standard author abbreviation J.Kost. is used to indicate this person as the author when citing a botanical name. Koster began her botanical career in 1930 as an unpaid assistant at Rijksherbarium, Leiden, the national Herbarium of The Netherlands. She held this position until 1933 when she was promoted to curator of the Weber-Van Bosse algae collection, which was recently acquired by the herbarium. This was her first paid position. While working at this p