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Dryopteris expansa ‘Recurva’
Spreading wood fern
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Pteridophyta | Ferns |
| Class | Filicopsida | “Leptosporangiate” (has to do with how their spores form) ferns—includes most ferns |
| Order | Polypodiales | Polypod ferns |
| Family | Dryopteridaceae | Wood ferns (about 70% of the ferns) |
| Genus | Dryopteris | From Greek dryas, “oak,” and pteris, “fern,” in reference to the presence of some species of wood ferns in woodland areas populated with oaks |
| Species | expansa | Spreading wood fern (expansa means “expanded”) |
| Cultivar | ‘Recurva’ | Means “curved” |
About plant names...
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Dryopteris expansa ‘Recurva’ description by Thomas H. Kent, last updated 25 May 2020.
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5/15/2010 · Garden in the Woods, Framingham, Massachusetts
≈ 24 × 16" (62 × 41 cm) 
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