种;
元;Quillworts are heterosporous, mainly aquatic perennials, with a dense rosette of tubular quill-like leaves arising from a short, stout rootstock.
水韭目
具有异型孢子，是多年水生。其管状条形叶密集簇生于粗短根茎之上。
Quillworts are heterosporous, mainly aquatic perennials, with a dense rosette of tubular quill-like leaves arising from a short, stout rootstock.
水韭目具有异型孢子，是多年水生。其管状条形叶密集簇生于粗短根茎之上。
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