Osmundastrum
| Osmundastrum Temporal range:
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|---|---|
| Developing spore-bearing frond and several sterile fronds in late spring, | |
| Fossil of a Osmundastrum Pulchellum rhizome | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Osmundales |
| Family: | Osmundaceae |
| Genus: | Osmundastrum C.Presl |
| Type species | |
| Osmundastrum cinnamomeum (L.) C.Presl
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| Species | |
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| Synonyms | |
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Osmundastrum is genus of leptosporangiate ferns in the family Osmundaceae with one living species, Osmundastrum cinnamomeum, the cinnamon fern. The modern species is native to the Americas and Asia, growing in swamps, bogs and moist woodlands. Fossil records of the genus extend into the Triassic.