Plants Profile for Polygonum robustius (stout smartweed)

General Information
Symbol:	PORO
Group:	Dicot
Family:	Polygonaceae
Duration:	Perennial
Growth Habit:	Forb/herb
Native Status:	CAN N L48 N PR N
Data Source and Documentation

	Native		Introduced		Both		Absent/Unreported
	Native, No County Data		Introduced, No County Data		Both, No County Data

L48

NAV

CAN

SPM

Images

Synonyms

Symbol	Scientific Name
PERO7	Persicaria robustior (Small) E.P. Bicknell
POPUM	Polygonum punctatum Elliott var. majus (Meisn.) Fassett
POPUR	Polygonum punctatum Elliott var. robustius Small

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.

Rank	Scientific Name and Common Name
Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Caryophyllidae
Order	Polygonales
Family	Polygonaceae – Buckwheat family
Genus	Polygonum L. – knotweed
Species	Polygonum robustius (Small) Fernald – stout smartweed

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Maryland stout smartweed Endangered, Extirpated
New Hampshire robust knotweed Threatened
Ohio coarse smartweed Threatened

Wetland Status

Interpreting Wetland Status

Synonyms

PERO7 Persicaria robustior (Small) E.P. Bicknell

Top Level Regions
Caribbean	OBL

North America
Arid West	OBL
Atlantic and Gulf Coastal Plain	OBL
Eastern Mountains and Piedmont	OBL
Great Plains	OBL
Midwest	OBL
Northcentral & Northeast	OBL