Cannabis ruderalis is a low-THC species of Cannabis which is native to Central and Eastern Europe and Russia. It is widely debated as to whether or not ruderalis is a sub-species of Cannabis sativa. Many scholars accept Cannabis ruderalis as its own species due to its unique traits and phenotypes which distinguish it from Cannabis indica and Cannabis sativa.
Cannabis indica, formally known as Cannabis sativa forma indica, is an annual plant in the Cannabaceae family. A putative species of the genus Cannabis.