This monumental series presents the richness and diversity of Turkish flora in nine volumes (1966-85), plus two supplements (1988; 2001). It is a major contribution to the floristic study of South West Asia and the eastern Mediterranean region and represents the life's work of Peter Davis (1918-92). Each of the volumes in the set includes: *Synonymy and references to revisions and published illustrations *Descriptions of the taxa* Habitat and flowering time *Citation of types *Citation of specimens according to grid system *Summary of external distribution; phytogeographical elements *Observations on variation, affinities, and other matters of interest *Index of accepted names and synonyms