Image #CNS-1: Appearance of Hyparrhenia rufa within the exclosure at the Canas grassland site, Costa Rica, in July 1969 when harvests began. Harvesting was restricted to the area in the immediate foreground. The instrument shelter was 53 cm high. (Photograph taken by Dr. R. Daubenmire, Washington State University, USA. Reproduced by kind permission of Mrs. Jean Daubenmire and Botanical Gazette - University of Chicago Press).