Rhacophorus reinwardtii is a species of frog in the Rhacophoridae family. It is variously known under the common names of black-webbed tree frog, green flying frog, or Reinwardt's tree frog.It is found in China, Indonesia, Laos, Malaysia, Thailand, and Vietnam, and possibly Brunei and Myanmar.Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, freshwater marshes, and intermittent freshwater marshes.It is not considered threatened by the IUCN.