White Rhino is a hybrid of White Widow and an unknown North American indica strain, creating a bushy and stout plant. The buds give off a strong and heady high. The plant’s parentage hails from Afghanistan, Brazil, and India. White Rhino is one of the best types of marijuana for medicinal use since it has such a high THC content. The nugs are a hue best described as being silvery white and it is well known for its potency, which comes with a high that is hard and fast, mostly due to the high THC content which ranges from 14-20%.