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Asplenium trichomanes : ウィキペディア英語版 | Asplenium trichomanes
''Asplenium trichomanes'' (commonly known as maidenhair spleenwort) is a small fern in the spleenwort genus ''Asplenium''. It is a widespread and common species, occurring almost worldwide in a variety of rocky habitats. It is a variable fern with several subspecies. ==Description== It grows in tufts from a short rhizome. The fronds are long and narrow, gradually tapering towards the tip. They are simply divided into small, yellow-green to dark-green pinnae. The stipe and rachis of the frond are dark all along their length. The fronds can reach 40 cm in length but are more commonly 8–20 cm. They bear long, narrow sori which contain the spores.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Asplenium trichomanes」の詳細全文を読む
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