Rhodiola grandiflora is a plant of Rhodiola of Crassulaceae, with a height of 40 cm and a gray-green color. Its inflorescences are dense with many long bracts.
Rhodiola sachalinensis, also known as Rhodiola sachalinensis and Sol Marble (Tibetan name), is a perennial herb with a height of 10-20cm. Its roots are thick, conical, fleshy, brown, and there are many fibrous roots at the root neck. The rhizome is short and thick, cylindrical, and covered with many scales arranged in tiles.
Generally speaking, Rhodiola sachalinensis and Rhodiola sachalinensis are different in family, genus, morphology and growth environment.