Utah Valley University Herbarium


Accession # 05127 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Polygonum aviculare L.
Common name   creeping knotweed
R.L. Johnson   710  
Coll. Date 19 June 2001 
United States
Tooele County
Locality small spring N of Redden Ranch, Dugway Proving Ground.
     Elev.: 4264 ft. (1300 m.)
Habitat Notes Saline meadow 
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 40° 1'  42" N, 113° 41'  31" W
Township Range T9S, R16W, Sec. 19  
Datum Not recorded
Uncertainty Not calculated
TRS Notes Latitude and longitude were derived from township and range information and may be
inaccurate by as much as 0.7 miles (or 4.2 miles if the section is not given).


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Polygonum aviculare L.

     Polygonum aviculare var. vegetum Ledeb.
     Polygonum heterophyllum Lindl.
     Polygonum monspeliense Pers.

Common Name(s): prostrate knotweed, yard knotweed.

Taxonomic Hierarchy: (ITIS TSN=20876, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Caryophyllidae
                            Order: Polygonales
                                Family: Polygonaceae
                                    Genus: Polygonum
                                        Species: Polygonum aviculare


Available images of this specimen (click to view):
specimen image: 05127s1.jpg

Images of other samples of the same species:
specimen image: 00597s1.jpg 
specimen image: 04710s1.jpg 
specimen image: 04840s1.jpg 
specimen image: 09035s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
05130 Agrostis stolonifera      "creeping bentgrass" same section
05120 Berula erecta      "cut-leaf water parsnip" same section
05128 Carex nebrascensis      "Nebraska sedge" same section
05129 Eleocharis palustris      "common spikerush" same section
05121 Glaux maritima      "sea milkwort" same section
05119 Hordeum jubatum  subsp. jubatum   "foxtail" same section
05122 Nasturtium officinale      "watercress" same section
05118 Polypogon interruptus      "ditch beard grass" same section
05123 Polypogon monspeliensis      "rabbit's foot grass" same section
05126 Ranunculus cymbalaria      "alkali buttercup" same section
05117 Ricciocarpos natans     same section
05124 Scirpus americanus     same section


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Redden Springs (Spring) Tooele County, UT 2.5 mi. S 4295  Callao 
Willow Spring Wash (Valley) Tooele County, UT 3.8 mi. S   Clifton 
Goshute Wash (Valley) Tooele County, UT 4.4 mi. N   Clifton 
Eightmile Wash (Valley) Tooele County, UT 4.7 mi. S   Goshute Canyon 
Overland Canyon (Valley) Tooele County, UT 4.3 mi. W   Clifton 
Reilly Creek (Stream) Tooele County, UT 5.8 mi. S   Goshute 
Sixmile Ranch (Locale) Tooele County, UT 5.8 mi. SW 4521  Goshute Canyon 


Taxon Links for species Polygonum aviculare  L.

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:

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