fernn. 蕨類植物學術名詞蕨類[植物]：生命科學、高中生命科學羊齒：海洋地質學、獸醫學蕨類植物：生命科學蕨類〔植物〕：海洋地質學蕨：獸醫學英文釋義any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores