Index / Search / Polygonum glabrum
§1 Plant
Polygonum glabrum Willd.
vernacular denseflower knotweed — species · Polygonaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Perennial
- Group
- Dicot
- Family
- Polygonaceae Juss.
- Genus
- Polygonum
Native status, by region
- L48 Lower 48 States Native
- PR Puerto Rico Native
County-level range
· 153 counties across 17 states/territories§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 153 counties across 17 states/territories.
Alabama view state ↗ 8 N ▾
Arkansas view state ↗ 15 N ▾
Delaware view state ↗ 1 N ▾
Florida view state ↗ 35 N ▾
- Alachua 12001
- Bay 12005
- Brevard 12009
- Broward 12011
- Calhoun 12013
- Charlotte 12015
- Collier 12021
- Flagler 12035
- Franklin 12037
- Gadsden 12039
- Hardee 12049
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Jackson 12063
- Jefferson 12065
- Leon 12073
- Levy 12075
- Liberty 12077
- Manatee 12081
- Marion 12083
- Miami-Dade 12086
- Monroe 12087
- Okaloosa 12091
- Orange 12095
- Osceola 12097
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Sarasota 12115
- Sumter 12119
- Taylor 12123
- Volusia 12127
- Wakulla 12129
Georgia view state ↗ 3 N ▾
Illinois view state ↗ 1 N ▾
Kansas view state ↗ 1 N ▾
Louisiana view state ↗ 25 N ▾
- Ascension 22005
- Bienville 22013
- Calcasieu 22019
- Cameron 22023
- Claiborne 22027
- Concordia 22029
- East Baton Rouge 22033
- Evangeline 22039
- Iberia 22045
- Jackson 22049
- Jefferson 22051
- Jefferson Davis 22053
- Lafayette 22055
- Orleans 22071
- Ouachita 22073
- Plaquemines 22075
- Rapides 22079
- St. Bernard 22087
- St. Charles 22089
- St. John the Baptist 22095
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Terrebonne 22109
- Vermilion 22113
Maryland view state ↗ 1 N ▾
Mississippi view state ↗ 4 N ▾
Missouri view state ↗ 5 N ▾
New Jersey view state ↗ 2 N ▾
North Carolina view state ↗ 7 N ▾
South Carolina view state ↗ 11 N ▾
Tennessee view state ↗ 5 N ▾
Texas view state ↗ 16 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/POGL10 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/7291486 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T14:17:10Z