Male fern (English spelling)

...The rhizome is called menma and is used as an anthelmintic for duodenal worms. D. filix - mas (L.) Schott (English name male fern) in Europe is often called dry fern, but D. filix - mas resembles okumawarabi, and it cannot be said that the two are most closely related. A closely related species of dry fern is Miyamakumawarabi D. polylepis (Fr.et Sav.) C.Chr., which grows in the same environment as dry fern, but is common in Shikoku and Kyushu, and in Honshu, it tends to be more prevalent than dry fern in the Paleozoic strata of Omote Nippon south of the Median Tectonic Line and the Kitakami Mountains. ...

*Some of the terminology that refers to "male fern" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…根茎を綿馬（めんま）といい，十二指腸虫などの駆虫薬として用いる。　ヨーロッパにあるD.filix‐mas (L.) Schott(英名male fern)をオシダと呼ぶことが多いが，D.filix‐masはオクマワラビに似ており，両者は最も近縁とはいいがたい。オシダの近縁種にミヤマクマワラビD.polylepis (Fr.et Sav.) C.Chr.があり，オシダと同様の環境に生じるが，四国･九州に多く，本州では，中央構造線以南の表日本や北上山地の古生層地帯で，オシダよりも優勢する傾向がみられる。…

※「male fern」について言及している用語解説の一部を掲載しています。

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