Utah Valley University Herbarium

Label

 
Accession # 11400 
Family
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Family
AraceaeAraceaeLemnaceae  
Species Lemna valdiviana Phil.
Common name   valdivia duckweed
Collector(s)
Donna M. Barnes   4878  
Coll. Date 13 April 2006 
Country
State/Province
County
United States
Arizona
Mohave
Locality Mormon Well vicinity, E side of Beaver Dam Wash, S of the Utah State Line;
     Elev.: 2091 ft. (638 m.)
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 36° 55'  43" N, 113° 49'  44" W
Datum WGS84 
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)
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.

Taxonomy


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

     Lemna valdiviana Phil.

     Lemna cyclostasa (Ell.) C.H. Thompson
     Lemna torreyi Austin

Common Name(s): pale duckweed, valdivia duckweed, Valdivia's duckweed.

Taxonomic Hierarchy: (ITIS TSN=42596, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Liliopsida
                        Subclass: Arecidae
                            Order: Arales
                                Family: Lemnaceae
                                    Genus: Lemna
                                        Species: Lemna valdiviana
                                                                                            

Images

Available images of this specimen (click to view):
specimen image: 11400d1.jpg specimen image: 11400s2.jpg

Images of other samples of the same species:
specimen image: 07097s2.jpg 
07097
specimen image: 08539s2.jpg 
08539

Nearby Accessions


Other accessions in the database collected near this one:

Accession Name Dist., dir.
11990 Allionia incarnata      "trailing windmills" same section
05592 Bebbia juncea  var. aspera   "sweetbush" 701 ft. SE
11980 Bebbia juncea  var. aspera   "sweetbush" same section
05591 Brickellia atractyloides      "spearleaf brickellbush" 701 ft. SE
10054 Candelariella rosulans      "eggyolk lichen" same section
02669 Cercis occidentalis     same section
03985 Chilopsis linearis      "desert willow" same section
11974 Chilopsis linearis      "desert willow" same section
11978 Dasyochloa pulchella      "low woollygrass" same section
11991 Eriogonum fusiforme      "Grand Valley desert trumpet" same section
05595 Eriogonum heermannii  var. sulcatum   "Heermann's wild buckwheat" 701 ft. SE
11979 Eriogonum heermannii  var. sulcatum   "Heermann's wild buckwheat" same section
11975 Eriogonum insigne      "ladder wild buckwheat" same section
14461 Eucnide urens      "desert stingbush" 1.3 mi. SE
11532 Eucnide urens      "desert stingbush" 1.3 mi. SE
14463 Galium stellatum      "starry bedstraw" 1.3 mi. SE
17899 Galium stellatum      "starry bedstraw" 1.4 mi. SE
11989 Gaura coccinea      "scarlet beeblossom" same section
11973 Mentzelia pterosperma      "winged-seed blazingstar" same section
17900 Mortonia scabrella      "Rio Grande saddlebush" 1.4 mi. SE
14462 Penstemon petiolatus      "Sheep Range beardtongue" 1.3 mi. SE
17902 Perityle tenella      "Springdale rockdaisy" 1.3 mi. SE
17903 Peucephyllum schottii      "Schott's desert-fir" 2 mi. NW
10052 Pleopsidium flavum     same section
05593 Scopulophila rixfordii      "Rixford's rockwort" 701 ft. SE
17901 Scopulophila rixfordii      "Rixford's rockwort" 1.4 mi. SE
11977 Thymophylla pentachaeta  var. belenidium   "five-needled pricklyleaf" same section
11976 Tiquilia canescens      "woody crinklemat" same section
10053 Xanthoparmelia mexicana      "Mexican xanthoparmelia lichen" same section

Locale


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Sullivans Canyon (Valley) Mohave County, AZ 1 mi. NE   Mount Bangs 
Mountain Sheep Wash (Valley) Mohave County, AZ 1.6 mi. NE   Mount Bangs 
The Narrows (Valley) Mohave County, AZ 2 mi. W   Mountain Sheep Spring 
Cedar Pockets Wash (Valley) Washington County, UT 3 mi. NE   Jarvis Peak 
Cedar Pockets Wash (Valley) Mohave County, AZ 3 mi. NE   Jarvis Peak 
Figure Four Canyon (Valley) Mohave County, AZ 3.8 mi. W   Mount Bangs 
Lost Spring (Spring) Mohave County, AZ 4.6 mi. SE 4062  Mount Bangs 
Castle Cliff Wash (Valley) Mohave County, AZ 4 mi. W   Jarvis Peak 
Mountain Sheep Spring (Spring) Mohave County, AZ 4.6 mi. SE 4662  Mountain Sheep Spring 
Hedricks Canyon (Valley) Mohave County, AZ 5.5 mi. SW   Mount Bangs 
Beaver Dam Mountains Wilderness (Reserve) Mohave County, AZ 5.8 mi. NE 4774  Mountain Sheep Spring 
Frehner Canyon (Valley) Mohave County, AZ 6.5 mi. SW   Mount Bangs 

Links

Taxon Links for species Lemna valdiviana  Phil.

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=Lemna+valdiviana

Zooming out might reveal more collections in other states.

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