common comfrey (Symphytum officinale L.)
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↑Range - Expand
| Legend | Color |
| Introduced | |
| Introduced 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
• Symphytum officinale (Common Comfrey) | Illinois Wildflowers (About This Site)
• Symphytum officinale (common comfrey) | USDA PLANTS Database (About This Site)
• Symphytum officinale | Go Botany (About This Site)
• Common Comfrey | iNaturalist (About This Site)
• Symphytum officinale (Comfrey) | Missouri Botanical Garden Plant Finder (About This Site)
• Symphytum officinale | Biota of North America Project (BONAP) (About This Site)
• Symphytum officinale | NatureServe Explorer (About This Site)
• Common Comfrey | Maryland Biodiversity Project (About This Site)
• Symphytum officinale (Common Comfrey) | Minnesota Wildflowers (About This Site)
