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Genus: Onoclea. Species: O. sensibilis. Binomial name. Onoclea sensibilis. L. Onoclea sensibilis, the sensitive fern, also known as the bead fern, is a coarse-textured, medium to large-sized deciduous perennial fern. The name comes from its sensitivity to frost, the fronds dying quickly when first touched by it.
The tree ferns are arborescent (tree-like) ferns that grow with a trunk elevating the fronds above ground level, making them trees. Many extant tree ferns are members of the order Cyatheales, to which belong the families Cyatheaceae (scaly tree ferns), Dicksoniaceae, Metaxyaceae, and Cibotiaceae. It is estimated that Cyatheales originated in ...
Vandenboschia speciosa, synonym Trichomanes speciosum, [2] commonly known as the Killarney fern, [3] is a species of fern found widely in Western Europe.It is most abundant in Ireland, Great Britain, Brittany, Galicia, Canary Islands, Madeira and the Azores, but is also found in other locations including France, Spain, Portugal and Italy. [4]
Struthiopteris spicant, syn. Blechnum spicant, is a species of fern in the family Blechnaceae, known by the common names hard-fern[ 3 ] or deer fern. It is native to Europe, western Asia, northern Africa, and western North America. [ 1 ][ 4 ] Like some other species in the family Blechnaceae, it has two types of leaves.
Osmunda japonica (syn. Osmunda nipponica Makino), also called Asian royal fern[1] or fiddlehead, is a fern in the genus Osmunda native to east Asia, including Japan, China, Korea, Taiwan, and the far east of Russia on the island of Sakhalin. It is called gobi (고비) in Korean, zenmai (ゼンマイ; 薇) in Japanese, and zǐqí or juécài ...
Azolla microphylla Kaulf. Azolla pinnata var. japonica (Franch. & Sav.) Franch. & Sav. Azolla filiculoides (water fern) is a species of aquatic fern. It is native to warm temperate and tropical regions of the Americas, and has been introduced to Europe, North and sub-Saharan Africa, China, Japan, New Zealand, Australia, the Caribbean and Hawaii.
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Plants in the genus Blechnum (as circumscribed in the PPG I classification) are mainly terrestrial or grow on rocks; few are epiphytes. Their rhizomes may be upright or creeping and have scales with entire margins or at most a few very small teeth. They generally form stolons, which is a characteristic of the genus.