Polygonum (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Polygonum" in English language version.

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books.google.com

doi.org

efloras.org

  • Costea, Mihai; Tardif, François J. & Hinds, Harold R. "Polygonum". In Flora of North America Editorial Committee (ed.). Flora of North America (online). eFloras.org. Retrieved 2019-05-10.
  • "Polygonum". Flora of North America.

kew.org

powo.science.kew.org

apps.kew.org

  • Nogueira, I.; Ortiz, S. & Paiva, J.A.R. (2006). "Polygonum L.". Flora Zambesiaca (online). Vol. 9. Royal Botanic Gardens, Kew. Retrieved 2019-04-29.

nih.gov

ncbi.nlm.nih.gov

pubmed.ncbi.nlm.nih.gov

northernbushcraft.com

youtube.com