spiny sowthistle (Sonchus asper (L.) Hill)
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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
• Sonchus asper (Prickly Sowthistle) | Illinois Wildflowers (About This Site)
• Sonchus asper (spiny sowthistle) | USDA PLANTS Database (About This Site)
• Sonchus asper | Go Botany (About This Site)
• Sonchus asper (spiny sow-thistle) | CABI Invasive Species Compendium (About This Site)
• Sonchus asper | Biota of North America Project (BONAP) (About This Site)
• Sonchus asper | NatureServe Explorer (About This Site)
• Sonchus asper | Flora of North America (About This Site)
• Sonchus asper | Missouri Plants (About This Site)
• Spiny Sow-thistle | Maryland Biodiversity Project (About This Site)
• Sonchus asper (Spiny Sowthistle) | Minnesota Wildflowers (About This Site)
