Index / Search / Polygonum ramosissimum

§1 Plant — species · Polygonaceae

Polygonum ramosissimum Michx.

vernacular bushy knotweed


USDA
PORA3
GBIF
5334383
Rank
species
bushy knotweed (Polygonum ramosissimum)
Platephotograph · William Van HemessenCC BY-NC 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 Introduced
  • CAN Canada Native
  • L48 Lower 48 States Native

§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.


§4Montana distribution

Recorded in 17 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/PORA3 ↗

GBIF Backbone

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

gbif.org/species/5334383 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z