Polygonum

Contains 15 accepted taxa overall.

Characteristics
Polygonum
-
Classification
Magnoliophyta - Flowering Plants
Magnoliopsida
Caryophyllidae
Caryophyllales
Polygonum
Citation
-
-
-
Species
Scientific Name Common Name Status Photos
Polygonum achoreum Blake’s knotweed Native FACU, FAC (NWPL) FACU (NWPL EMP) FACU (NWPL NCNE) S4 (State Rank) G5 (Global Rank)
Polygonum articulatum northern jointweed Native S4 (State Rank)
Polygonum aviculare FACU (NWPL EMP) FACU (NWPL NCNE)
Polygonum aviculare ssp. aviculare common knotweed Not Native Naturalized FACU (NWPL EMP) FACU (NWPL NCNE) SNA (State Rank)
Polygonum aviculare ssp. depressum oval-leaved knotweed Not Native Naturalized FACU (NWPL EMP) FACU (NWPL NCNE) SNA (State Rank)
Polygonum aviculare ssp. neglectum narrow-leaved knotweed Not Native Naturalized FACU (NWPL EMP) FACU (NWPL NCNE) SNA (State Rank) G5 (Global Rank)
Polygonum buxiforme American knotweed Native Endangered-State FACU (NWPL EMP) FACU (NWPL NCNE) S1S2 (State Rank) G5 (Global Rank)
Polygonum douglasii Douglas’s knotweed Native Threatened-State UPL, FAC (NWPL) UPL (NWPL EMP) FACU (NWPL NCNE) S1S2 (State Rank) G5 (Global Rank)
Polygonum erectum erect knotweed Native FACU-, OBL (NWPL) FACU (NWPL EMP) FACU (NWPL NCNE) S2S3 (State Rank) G5 (Global Rank)
Polygonum glaucum seabeach knotweed Native Rare-State FACU (NWPL EMP) FACU (NWPL NCNE) S3 (State Rank)
Polygonum polycnemoides Himalayan knotweed Not Native SNA (State Rank)
Polygonum ramosissimum FAC (NWPL EMP) FAC (NWPL NCNE)
Polygonum ramosissimum ssp. prolificum proliferous knotweed Native FAC (NWPL EMP) FAC (NWPL NCNE) S4 (State Rank) G5T4T5 (Global Rank)
Polygonum ramosissimum ssp. ramosissimum bushy knotweed Native FAC (NWPL EMP) FAC (NWPL NCNE) S4 (State Rank) G5T5 (Global Rank)
Polygonum tenue pleated-leaved knotweed Native Rare-State S3 (State Rank) G5 (Global Rank)