Hickman's Knotweed (Polygonum hickmanii H. Hinds & R. Morgan)
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↑Links & External Resources
• Polygonum hickmanii (Hickman's knotweed) | USDA PLANTS Database (About This Site)
• Polygonum hickmanii (Scotts Valley polygonum) | CABI Invasive Species Compendium (About This Site)
• Polygonum hickmanii | Biota of North America Project (BONAP) (About This Site)
• Polygonum hickmanii H.R.Hinds & Rand.Morgan | Plants of the World Online (POWO) (About This Site)
• Polygonum hickmanii | NatureServe Explorer (About This Site)
• Polygonum hickmanii | Flora of North America (About This Site)