Checklist of the plants of the Guiana shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana)

" . . . includes the countries of Guyana and Surinam, French Guiana (a part of France) and the Venezuelan states of Amazonas, Bolivar, and Delta Amacuro. The checklist contains 257 vascular plant families with 13,367 species." -- from abstract p. [2].