Polygonum hydropiperoides (mild water-pepper)

Polygonum hydropiperoides Michx.

Persicaria hydropiperoides (Michx.) Small

Persicaria hydropiperoides (Michx.) Small var. breviciliata (Fernald) C.F. Reed

Persicaria hydropiperoides (Michx.) Small var. euronotora (Fernald) C.F. Reed

Persicaria hydropiperoides (Michx.) Small var. opelousana (Riddell ex Small) J.S. Wilson

Persicaria opelousana (Riddell ex Small) Small

Persicaria paludicola Small

Persicaria persicarioides (Kunth) Small

Polygonum hydropiperoides Michx. var. adenocalyx (Stanford) Gleason

Polygonum hydropiperoides Michx. var. asperifolium Stanford

Polygonum hydropiperoides Michx. var. breviciliatum Fernald

Polygonum hydropiperoides Michx. var. bushianum Stanford

Polygonum hydropiperoides Michx. var. digitatum Fernald

Polygonum hydropiperoides Michx. var. euronotorum Fernald

Polygonum hydropiperoides Michx. var. opelousanum (Riddell ex Small) Riddell ex W. Stone

Polygonum hydropiperoides Michx. var. psilostachyum H. St. John

Polygonum hydropiperoides Michx. var. strigosum (Small) Stanford

Polygonum opelousanum Riddell ex Small

Polygonum opelousanum Riddell ex Small var. adenocalyx Stanford

Polygonum persicarioides Kunth

Mild water-pepper

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Caryophyllidae	Cacti, many other succulents, carnivorous plants, and leadworts
Order	Caryophyllales	Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants
Family	Polygonaceae	Knotweed or smartweed family
Genus	Polygonum	Greek poly, “many,” and gonu, “knee,” for the swollen jointed stems
Species	hydropiperoides	Having a resemblance to hydropiper

[An article has not been written yet.]

Polygonum hydropiperoides description by Thomas H. Kent, last updated 25 May 2020.

8/22/2012 · Squannacook River Wildlife Area, Townsend, MA
≈ 24 × 16" (62 × 41 cm) ID is uncertain

8/22/2012 · Squannacook River Wildlife Area, Townsend, MA
≈ 3½ × 2½' (1.2 × 0.8 m) ID is uncertain

8/22/2012 · Squannacook River Wildlife Area, Townsend, MA
≈ 31 × 21" (78 × 52 cm) ID is uncertain

Range: