“…The genus Selaginella ( Selaginellaceae ) is composed of approximately 70 species, many of which are distributed in China where many have been used for treating bleeding, jaundice, gonorrhea, and idiopathic thrombocytopenic purpura in traditional Chinese medicine. 1 The genus is known as a rich source of secondary metabolites including flavonoids, 2 selaginellin, 3 alkaloids, 4 lignans, 5 and steroids, 6 which have been reported to exhibit diverse pharmacological activities, such as antitumor, 7,8 antibiosis, 9,10 antiviral, 11 and antioxidant. 12 S. trichoclada Alsto, commonly known as “boyundan, yanbaicao and tubozi” in folk medicine, is mainly distributed in the southern area of China, where it is used widely as a herbal medicine for clearing heat and promoting diuresis and relieving cough.…”