[1] The project brought together more than 200 botanists from around the world and was "the first effort to produce a comprehensive inventory and identification guide for the plants of such an extensive region of northern South America".

[2] The first volume, written primarily by Italian ecologist Otto Huber, is an introduction to the geography, ecology, botanical history and conservation of the Venezuelan Guayana, and includes two fold-out maps of the region (one vegetation and one topographical, both 1:2,000,000 scale).

[7] These views were echoed in the Handbook of Latin American Studies, where the volume is described as "authoritative and superbly illustrated" and "[m]uch broader than [its] title suggests".

[8] R. Atkinson, who reviewed volume 2 for the Edinburgh Journal of Botany, considered the book's dichotomous keys "concise and easy to use" and the illustrations "clear although sometimes rather diagrammatic".

"[9] Reviewing volume 7 in Economic Botany, Neil A. Harriman wrote that the entire flora was "lavishly produced, with a great many line drawings to aid in identification".