| 学名(拉丁名) | Cystopteridaceae |
| 类型 | family |
| 学名(拉丁名) | Cystopteridaceae |
| 中文名 | 冷蕨科 |
| 类型 | family |
| 学名(拉丁名) | Cystopteridaceae |
| 类型 | family |
| 1 | Sori exindusiate. (1) | Gymnocarpium |
| 1 + | Sori indusiate | (2) |
| 2 (1) | Multicellular articulate hairs present on stipe and lamina; indusia small, often hidden under sporangia. (3) | Acystopteris |
| 2 (1) + | Multicellular articulate hairs absent from stipe and lamina; indusia visible | (3) |
| 3 (2) | Lamina deltoid to lanceolate, base slightly narrowed or broadest part of lamina; spore wall echinate. (4) | Cystopteris |
| 3 (2) + | Lamina oblong-lanceolate, base gradually narrowed, spore wall with conical spines. (2) | Cystoathyrium |
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