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The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers.They differ from mosses by being vascular, i.e., having specialized tissues that conduct water and nutrients, and in having life cycles in which the branched sporophyte is the dominant phase.
Pleopeltis polypodioides, common name resurrection fern, is a species of creeping, coarse-textured fern native to the Americas and Africa. Description
Cheilanthes, commonly known as lip ferns, [2] is a genus of about 180 species of rock-dwelling ferns with a cosmopolitan distribution in warm, dry, rocky regions, often growing in small crevices high up on cliffs. Most are small, sturdy and evergreen.
The Hymenophyllaceae, the filmy ferns and bristle ferns, are a family of two to nine genera (depending on classification system) and about 650 known species [1] of ferns, with a subcosmopolitan distribution, but generally restricted to very damp places or to locations where they are wetted by spray from waterfalls or springs.
Other ferns which are also tree ferns, are Leptopteris and Todea in the family Osmundaceae, which can achieve short trunks under a metre tall. Fern species with short trunks in the genera Blechnum , Cystodium and Sadleria from the order Polypodiales , and smaller members of Cyatheales like Calochlaena , Cnemedaria , Culcita (mountains only tree ...
The Osmundastrum cinnamomeum fern forms huge clonal colonies in swampy areas. These ferns form massive rootstocks with densely matted, wiry roots. This root mass is an excellent substrate for many epiphytal plants. They are often harvested as osmunda fiber and used horticulturally, especially in propagating and growing orchids. Cinnamon Ferns ...