Abstract Zizka, A., A. Thiombiano, S. Dressler, BMI Nacoulma, A. Ouédraogo, I. Ouédraogo, O. ouédraogo, G. Zizka, K. Hahn & M. Schmidt (2015). The vascular plant diversity of Burkina Faso (West Africa)—a quantitative analysis and implications for conservation. Candollea 70: 9–20 In English, English and French abstracts. Based on a species inventory and the related distribution dataset, the authors present a quantitative analysis of the vascular plant diversity of Burkina Faso (BFA) and its four phytogeographic zones. We analyzed species richness, higher taxon diversity, life forms, chorological types, introduced species, habitat preferences and the number of rare species. The flora of BFA comprises 1972 non-cultivated vascular plant species in 752 genera and 145 families. Species richness and plant family richness are highest in the South Sudanian zone in the South of the country. Fabaceae, Poaceae …