All genera of Huperzia

Huperzia is the Chinese name of Huperzia (there are 2 genera in the world). Its plants are small, local or epiphytic, and its stems are erect. Spore leaves are only slightly smaller than vegetative leaves. Leaf blade is herbaceous, and the edge or front end is serrated or entire. Holub plants in Phlegmariurus (Herter) are tall epiphytes with drooping or almost erect mature branches. Spore leaves are obviously different or similar to vegetative leaves. Leaf blade leathery or nearly leathery, entire.