Zostero Phyllum

semi-land-based herbs that grow in the early mud basin marshes, represented by naked herb ferns. China, Siberia, North America, Europe and Australia are all distributed. The stem is weak, multi-branched, often made as an equally two-a-side fork, the plant height of up to
25
cm, the upper surface of the water, the lower complex branch is often
H
shape. Spore cystic or pear-shaped, with a rectangular handle, clustered into a spike-shaped; The original column is the outer starting type, the tube cells in the wooden part are ring-thickened, the skin has the original pores, and the outer layer.spore sacs of the sacs of the pythons are formed in a spike-like manner, cracked in a manner close to that of the stone pine plant, which may have developed into a stone pine plant by the starwood. In the past belonged to the work of ferns, now many people think that industrial ferns should independently establish the door of ferns, and no longer as members of the naked fern purpose.