interrupted fern
英 [ˌɪntəˈrʌptɪd fɜːn]
美 [ˌɪntəˈrʌptɪd fɜːrn]
n. 绒蕨
英英释义
noun
- North American fern having tall erect pinnate fronds and a few sporogenous pinnae at or near the center of the fertile fronds
Synonym: Osmunda clatonia