Polygonaceae (21)

	Scientific name	Common Names	NCS	Comment
Indigenous Species
1	Persicaria attenuata (R. Br.) Sojak	සුදු කිඹුල්වැන්න/Water Smartweed	LC
2	Persicaria barbata (L.) H.Hara	රතු කිඹුල්වැන්න	LC
3	Persicaria barbata (L.) H.Hara		LC
4	Persicaria capitata (Buch.-Ham. in D.Don) H.Gross	Pink-headed Knotweed	LC
5	Persicaria decipiens (R.Br.) K.L.Wilson		DD
6	Persicaria glabra (Willd.) Gomez de la Maza	Pink Rod/Common Marsh Duckwheat	LC
7	Persicaria hydropiper (L.) Spach		DD
8	Persicaria minor (Hudson) Opiz		DD
9	Persicaria nepalensis (Meissner) H.Gross		DD
10	Persicaria orientalis (L.) Spach		LC
11	Polygonum praetermissum Hook. f.		DD	Persicaria praetermissa (Hook.f.) H.Hara  is a synonym
12	Persicaria strigosa (R.Br.) Nakai		LC
13	Polygonum plebeium R.Br.		LC
Exotic Species
14	Antigonon leptopus Hook. & Arn.	Coral vine/Mexican Creeper
15	Rumex acetosella L.
16	Rumex nepalensis Spreng.
17	Rumex obtusifolius L.
18	Rumex crispus L.
19	Persicaria chinensis (L.) H. Gross
20	Homalocladium platycladum (F.Muell.) L.H.Bailey
21	Polygonum molle D. Don	Sikkim Knotweed