Rana Cascadae represents a species of Pacific chorus frogs that are native to the Pacific Northwest region of North America. These frogs are also known by many other names or synonyms such as Cascade frog, Oregon Cascade frog, Oregon spotted frog, Oregon treefrog, and Cascades frog. They have a unique green, brown, or gray coloration with dark spots that help them blend with the surroundings. The Rana Cascadae species is also protected under the Endangered Species Act, owing to the significant decline in their population. Identifying the various synonyms of this species can help us understand better their ecological significance and their importance to the environment.