History & Genetics White Rhino is an indica dominant strain that has won many second place awards but is known to be a first rate strain for producing massive yields. White Rhino was bred by Green House Seeds and is a relative to another famous strain, the White Widow. The exact genetics are unknown but many believe a White Widow was crossed with an unknown strain from North America. Appearance, Aroma & Flavor This indica-heavy strain grows in bushy nugs that emit a woodsy, spicy aroma. Earthy and delicious. The buds are green with lots of milky trichomes.