The classification marking “NOFORN” stood for “Not Releasable to Foreign Nationals” and denoted that dissemination of that information was limited to United States persons.- Cannabis ruderalis (Wikipedia)
Cannabis ruderalis is a variety, subspecies, or species of Cannabis native to Central and Eastern Europe and Russia. It contains a relatively low quantity of psychoactive compound tetrahydrocannabinol (THC) Some scholars accept C. ruderalis as its own species due to its unique traits and phenotypes which distinguish it from C. indica and C. sativa; others debate whether ruderalis is a subdivision under C. sativa.