USJ Herbarium of Costa Rica: history and contributions. In 2011 the Herbarium USJ of the University of Costa Rica became 80 years old and came up with 100 000 specimens of all the taxa that traditional botany studies. Data and figures on the history, the founders, and contributions of USJ to the knowledge of Costa Rican flora are summarized.
Keywords: herbario luis a. fournier (usj)/usj-herbarium, universidad de costa rica