垂枝石松（学名：Lycopodium phlegmaria）为石松科石松属下的一个种。

Huperzia phlegmaria (commonly known as either coarse tassel fern, or common tassel fern) is an epiphytic species of tassel fern native to rainforests in Madagascar, some islands in the Indian Ocean, Asia, Australasia and many Pacific Islands. Huperzia phlegmaria is commonly found in moist forests and rainforsests at high altitudes; in and amongst mosses and other epiphytes. Members of the order Lycopodiales are commonly referred to as clubmosses.