Index / Search / Polygonum buxiforme

§1 Plant

Polygonum buxiforme Small

vernacular box knotweed — species · Polygonaceae


USDA
POBU2
GBIF
5652198 syn.
Rank
species
box knotweed (Polygonum buxiforme)
Platephotograph · Zihao WangCC BY source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Annual
Group
Dicot
Family
Polygonaceae Juss.
Genus
Polygonum
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • L48 Lower 48 States Native
§2b

County-level range

· 135 counties across 17 states/territories
Legend Native · 135 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation

No cultivation specs.

USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.


§4Counties, by state

Recorded in 135 counties across 17 states/territories.

District of Columbia view state ↗ 1 N
Idaho view state ↗ 12 N
Illinois view state ↗ 23 N
Indiana view state ↗ 21 N
Kentucky view state ↗ 6 N
Massachusetts view state ↗ 9 N
Minnesota view state ↗ 1 N
Missouri view state ↗ 2 N
Montana view state ↗ 1 N
New York view state ↗ 13 N
Ohio view state ↗ 3 N
Pennsylvania view state ↗ 2 N
Texas view state ↗ 1 N
Vermont view state ↗ 1 N
Washington view state ↗ 4 N
Wisconsin view state ↗ 31 N
Wyoming view state ↗ 4 N

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/POBU2 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5652198 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T14:42:51Z