narrowleaf swordfern (Polystichum imbricans (D.C. Eaton) D.H. Wagner)
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↑Range - Expand
| Legend | Color |
| Native | |
| Native or Not Present |
This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.
↑Links & External Resources
• Polystichum imbricans (narrowleaf swordfern) | USDA PLANTS Database (About This Site)
• Narrowleaf Sword Fern | iNaturalist (About This Site)
• Polystichum imbricans | Biota of North America Project (BONAP) (About This Site)
• Polystichum imbricans | NatureServe Explorer (About This Site)
• Polystichum imbricans | Flora of North America (About This Site)
