The illustrations on this fold-out field guide from Rainforest Publications were created by Costa Rican artist, Enrique C. Leal, who has worked as an illustrator in the design of informative and educational material for the National Board of Health and who has worked as a scientific illustrator for INBIO (Institute for Biological Diversity).

There are approximately 1,500 species of native orchids in Costa Rica. The most common species are represented in the Rainforest Publications fold-out pocket orchid field guide.

On the Rainforest Publications orchid field guide, The measurements which accompany each illustration are as follows: "FI" represents the approximate height of the flower, and "PI" represents the approximate height of the plant.

The illustration of each species on the field guide is accompanied by the name of the species in English, Spanish, and Latin. On the Rainforest Publications' Costa Rica orchids field guide, the letters after the English name represent the distribution with Costa Rica:

• A: orchids typically found on the Atlantic slope; may be accompanied by N (north) or S (south);
• P: orchids typically found on the Pacific slope; may be accompanied by N (north) or S (south);
• M: orchids typically found in the Costa Rican mountains.