Utah Valley University Herbarium

Label

 
Accession # 16017 
Family
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Family
PolygonaceaePolygonaceaePolygonaceae  
Species Polygonum douglasii Greene
Infraspecific    var. douglasii 
Collector(s)
R.D. Fitts   2009-77  
   with S.C. Fitts
Coll. Date 29 July 2009 
Country
State/Province
County
United States
Utah
Summit County
Locality Uinta Mountains, Little East Fork of Black's Fork drainage;
     Elev.: 10280 ft. (3134 m.)
Habitat Notes W-facing slope, opening in Pinus contorta forest, with Collomia linearis, Achillea millefolium.  
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° 49'  15.73" N, 110° 31'  9.09" W
UTM 12 4519002N  540546E 
Datum NAD83 
Uncertainty Polygon diameter (with coordinate as origin): GPS
Georef. Notes This coordinate was obtained by a GPS unit and an error estimate was not recorded by the user. However due to the accuracy of most units, a polygon diameter between 25 and 250 meters could reasonably be assumed.
Specimen Notes  

Taxonomy


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

     Polygonum douglasii ssp. douglasii Greene

     Polygonum buxiforme var. montanum (Small) R.J. Davis
     Polygonum douglasii var. latifolium (Engelm.) Greene
     Polygonum emaciatum A. Nels.
     Polygonum montanum Small

Common Name(s): Douglas' knotweed, renouée de Douglas variété de Douglas.

Taxonomic Hierarchy: (ITIS TSN=524554, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Caryophyllidae
                            Order: Polygonales
                                Family: Polygonaceae
                                    Genus: Polygonum
                                        Species: Polygonum douglasii
                                            Subspecies: Polygonum douglasii ssp. douglasii
                                                

Images

Images of other samples of the same species:
specimen image: 00538s1.jpg 
00538
specimen image: 00540s1.jpg 
00540
specimen image: 02924s1.jpg 
02924
specimen image: 04355s1.jpg 
04355
specimen image: 04400s1.jpg 
04400
specimen image: 04511s1.jpg 
04511
specimen image: 05419s1.jpg 
05419
specimen image: 05652s1.jpg 
05652
specimen image: 08768s1.jpg 
08768
specimen image: 08772s1.jpg 
08772
specimen image: 09085s1.jpg 
09085
specimen image: 11027s1.jpg 
11027
specimen image: 11027f1.jpg 
11027
specimen image: 11853s1.jpg 
11853

Nearby Accessions


Other accessions in the database collected near this one:

Accession Name Dist., dir.
16018 Arenaria rubella      "beautiful sandwort" 1095 ft. NW
16023 Cryptogramma crispa      "parsley-fern" 1095 ft. NW
16022 Erigeron compositus      "cut-leaf fleabane" 1095 ft. NW
16019 Erigeron leiomerus      "rock-slide yellow fleabane" 1095 ft. NW
16021 Festuca ovina      "sheep fescue" 1095 ft. NW
16020 Smelowskia calycina  var. americana   "American false candytuft" 1095 ft. NW
16024 Trifolium dasyphyllum  var. uintense  1095 ft. NW

Locale


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Bald Mountain (Summit) Summit County, UT 3.2 mi. N 11756  Mount Lovenia 
Bald Lake (Lake) Summit County, UT 3.5 mi. N 11047  Mount Powell 
Red Castle Lake (Lake) Summit County, UT 3.2 mi. SE 11300  Mount Powell 
Little East Fork (Stream) Summit County, UT 3.6 mi. N   Mount Lovenia 
Lower Red Castle Lake (Lake) Summit County, UT 3 mi. E 10765  Mount Powell 
Squaw Pass (Gap) Summit County, UT 3.9 mi. S 11730  Mount Lovenia 
Upper Red Castle Lake (Lake) Summit County, UT 3.7 mi. SE 11549  Mount Powell 
Red Castle (Summit) Summit County, UT 3.3 mi. SE 12136  Mount Powell 
East Fork Blacks Fork Guard Station (Locale) Summit County, UT 4.2 mi. N 9311  Lyman Lake 
East Red Castle Lake (Lake) Summit County, UT 3.7 mi. SE 11195  Mount Powell 
Broadbent Meadow (Flat) Summit County, UT 3.8 mi. NE 10220  Mount Powell 
Porcupine Pass (Gap) Duchesne County, UT 4.4 mi. SE 12195  Mount Powell 
Wilson Peak (Summit) Summit County, UT 4.3 mi. SE 12806  Mount Powell 
High Line Trail (Trail) Summit County, UT 4.8 mi. NE 10434  Bridger Lake 
Smiths Fork Pass Lake (Lake) Summit County, UT 4.3 mi. SE 11159  Mount Powell 
Bear River Smiths Fork Trail (Trail) Summit County, UT 5.2 mi. N 9502  Lyman Lake 
Mansfield Meadows (Flat) Summit County, UT 5.3 mi. N 10227  Bridger Lake 
North Star Lake (Lake) Duchesne County, UT 5.8 mi. SE 11401  Mount Powell 
Tungsten Lake (Lake) Duchesne County, UT 6.4 mi. SE 11385  Garfield Basin 

Links

Taxon Links for species Polygonum douglasii  Greene

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:
http://herbarium.UVU.edu/virtual/search.asp?taxon=Polygonum+douglasii

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