Family Polygonaceae
Polygonum
Polygonum achoreum [X]
Polygonum aviculare subsp. aviculare
Polygonum aviculare subsp. boreale
Polygonum aviculare subsp. buxiforme
Polygonum aviculare subsp. depressum
Polygonum aviculare subsp. neglectum
Polygonum aviculare subsp. rurivagum
Polygonum erectum [X]
Polygonum fowleri subsp. fowleri
Polygonum fowleri subsp. hudsonianum
Polygonum oxyspermum subsp. raii