Polygonum sawatchense subsp. sawatchense
Sawatch Knotweed
Also known as: Polygonum douglasii subsp. johnstonii (Munz) J.C.Hickman +5 more
- Polygonum douglasii subsp. johnstonii (Munz) J.C.Hickman
- Polygonum douglasii var. johnstonii Munz
- Polygonum douglasii var. utahense (Brenckle & Cottam) S.L.Welsh
- Polygonum exile Eastw.
- Polygonum triandrous Coolidge
- Polygonum utahense Brenckle & Cottam
Botanical Data
- Taxonomic Rank: Subspecies
- Botanical Family: Polygonaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Naturally occurring in North America, Polygonum sawatchense subsp. sawatchense (commonly known as Sawatch knotweed) is an annual belonging to the Polygonaceae family. Within its native range, this subspecies is primarily associated with temperate conditions. It is a naturally occurring subspecies of Polygonum sawatchense, which is linked below, along with other subspecies of this species.
Macro Climate
Temperate
Plant Type
Annual
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Mexico, North-Central U.S.A., Northwestern U.S.A., South-Central U.S.A., Southwestern U.S.A., Western Canada
Botanical Countries (WGSRPD L3)
Alberta, Arizona, California, Colorado, Idaho, Mexico Northwest, Montana, Nebraska, Nevada, New Mexico, North Dakota, Saskatchewan, South Dakota, Utah, Washington, Wyoming
Base Species & Variations