Polygonum

Polygonum is a large and controversial genus in the Polygonaceae

GBIF
as treated by Teillier et al. 2021
 * P.bowenkampii
 * P hydropiperoides
 * P maritimum




 * P acuminatum
 * P.aviculare


 * P.campanulatum


 * P.hydropiper
 * P.lapathifolium
 * P.orientale


 * P.persicaria güelgüe (probably from Asturian Spanish /güelga/ a marsh or wetland refering to its habitat)
 * (P.delfinii)

Remarks
From Ancient Greek πολύγονον (polúgonon, “knotweed”) from πολύς (polús, “many”) + γόνυ (gónu, “knee”) (though γόνος (gónos, “offspring”)  Partners are the Chilean organizations that share their biodiversity data through the GBIF network.

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