Dendropsophus grandisonae is a species of frog in the family Hylidae. It is endemic to Guyana. Its natural habitats are subtropical or tropical moist lowland forests, rivers, freshwater marshes, and intermittent freshwater marshes. References Sources grandisonae Endemic fauna of Guyana Amphibians of Guyana Amphibians described in 1966 Taxonomy articles created by Polbot