dagger fern
英 [ˈdæɡə(r) fɜːn]
美 [ˈdæɡər fɜːrn]
【参见】Christmas-fern
英英释义
noun
- North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds
Synonym: Christmas ferncanker brakeevergreen wood fernPolystichum acrostichoides