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Chenopodium album L.
WHITE GOOSEFOOT
Fat Hen; Fat-hen; Lambs Quarters; Chenopodium lanceolatum RBr; Chenopodium browneanum Roem & Schult; Chenopodium striatiforme Murr; Chenopodium concatenatum subsp striatiforme Murr; Chenopodium probstii Aellen; Chenopodium probstii Aellen f probstii; Chenopodium album subsp reticulatum (Aellen) Beauge ex Greuter & Burdet; Chenopodium probstii; Chenopodium album var reticulatum (Aellen) Uotila; Chenopodium reticulatum Aellen; Lambsquarters; White goosefoot, Pigweed, Mealweed, Lambsquarters, Meldweed, Fat Hen, Frostbite, Baconweed; Chenopodium strictum

Life   Plantae   Dicotyledoneae   Chenopodiaceae   Chenopodium

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Chenopodium album, upper marlboro ---.
© Copyright source/photographer · 5
Chenopodium album, upper marlboro ---.
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album
Chenopodium album
© Copyright Bobby Hattaway 2011 · 5
Chenopodium album

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma longissima @ BPI (12)

Phoma nebulosa @ BPI (2)
Albuginaceae  Albugo occidentalis @ BPI (1)
Aphididae  Aphis ( @ NCSU_ENT (33); AMNH_PBI (8); CSUC_TCN (1)

Hayhurstia atriplicis @ CSCA_TCN (5)

Macrosiphum ( @ AMNH_PBI (2); NCSU (2)

Pemphigus @ AMNH_PBI (3)
Botryosphaeriaceae  Diplodia hyalospora @ BPI (1)

Diplodia natalensis @ 369940A (1); 369940B (1)

Microdiplodia henningsii @ BPI (2)

Phyllosticta atriplicis @ BPI (4)

Phyllosticta chenopodii-albi @ BPI (3)

Phyllosticta chenopodii @ BPI (5)

Phyllosticta @ 350472B (1); 788193B (1); 350472A (1)

Sphaeropsis longissima @ BPI (3)
Braconidae  Diaeretiella rapae @ AMNH_PBI (50)

Lysiphlebus ( @ AMNH_PBI (30)
Cicadellidae  Acinopterus angulatus @ UCR_ENT (1)

Cicadula ( @ AMNH_PBI (1)

Colladonus geminatus @ UCR_ENT (1)
Cintractiaceae  Tolyposporium leptideum @ BPI (19)
Davidiellaceae  Cladosporium herbarum @ BPI (2)
Dermateaceae  Gloeosporium melleum @ BPI (1)
Didymosphaeriaceae  Asteromella confusa @ BPI (1)

Asteromella longissima @ BPI (1)
Flatidae  Mistharnophantia sonorana @ UCR_ENT (1)
Gelechiidae  Scrobipalpa @ UCRC_ENT (1)
Geocoridae  Geocoris pallens @ UCR_ENT (7)
Glomosporiaceae  Thecaphora leptideum @ BPI (6)
Miridae  Atomoscelis onustus @ UCR_ENT (7); AMNH_PBI (6); AMNH_IZC (3)

Brooksetta chelifer @ AMNH_PBI (4)

Lygus elisus @ AMNH_IZC (1)

Lygus lineolaris @ MEMU_ENT (20)

Orthotylus coagulatus @ AMNH_PBI (20); CSUC_TCN (3)

Orthotylus flavosparsus @ AMNH_PBI (19)

Phytocoris electilis @ UCR_ENT (4)

Reuteroscopus ornatus @ MEMU_ENT (1)

Taylorilygus apicalis @ MEMU_ENT (1)
Mycosphaerellaceae  Cercospora chenopodii @ BPI (16)

Cercospora dubia @ BPI (91)

Cercospora @ BPI (1)

Passalora dubia @ BPI (1)

Phloeospora chenopodii @ BPI (4)

Ramularia dubia @ BPI (5)

Septoria atriplicis @ BPI (12)

Septoria chenopodii @ BPI (6)

Septoria westendorpii @ BPI (2)
Nectriaceae  Fusisporium chenopodinum @ BPI (1)
Pentatomidae  Perillus bioculatus @ UCR_ENT (1)

Perillus splendidus @ UCR_ENT (2)

Tepa jugosa @ UCR_ENT (1)

Tepa yerma @ UCR_ENT (2)
Peronosporaceae  Peronospora affinis @ BPI (2)

Peronospora chenopodii @ BPI (2)

Peronospora effusa @ 788217B (1); BPI (159); 788145A (1); 788193A (1)

Peronospora farinosa @ 788471A (1); 788471B (1); BPI (24)

Peronospora minor @ BPI (5)

Peronospora variabilis @ BPI (17)
Phaeosphaeriaceae  Leptosphaeria doliolum @ BPI (1)

Stagonospora atriplicis @ BPI (4)

Stagonospora chenopodii @ BPI (5)
Pleosporaceae  Alternaria @ BPI (1)

Dendryphion comosum @ BPI (1)

Epicoccum granulatum @ BPI (1)

Epicoccum purpurascens @ BPI (1); 453668A (1); 453668B (1)

Macrosporium commune @ BPI (3)

Pleospora calvescens @ BPI (4)

Pleospora effusa @ BPI (1)

Pleospora herbarum @ BPI (1)

Pyrenophora calvescens @ BPI (6)
Polystomellaceae  Dothidella longissima @ BPI (1)
Pucciniaceae  Puccinia aristidae @ BPI (1)

Puccinia subnitens @ BPI (18)
Reduviidae  Sinea complexa @ UCR_ENT (4)
Turritellidae  Vermicularia dematium @ BPI (2)
Valsaceae  Diplodina chenopodii @ BPI (1)
Xylariaceae  Sphaeria sophista @ BPI (1)
_  Ascochyta chenopodii @ BPI (2)

Ascochyta nebulosa @ BPI (1)

Ascochyta @ BPI (1)

Cercosporina dubia @ BPI (1)

Chaetodiplodia caulina @ BPI (11)

Glomosporium leptideum @ BPI (4)

Hadrotrichum chenopodinum @ BPI (1)

Septogloeum atriplicis @ BPI (5)

Sminthuraphis ulrichi @ AMNH_PBI (1)

unknown unknown @ UCR_ENT (2); AMNH_PBI (45)

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Following modified from Flora of Taiwan, National Taiwan University
   Top | See original

&pull 20q v5.145 20180528: Error 404 Not Found http://tai2.ntu.edu.tw/udth/bin/fot1.exe/browse?bid=2&page=384

Following modified from Delaware Wildflowers
   Top | See original

Delaware Wildflowers  •  Scientific names

Chenopodium album L. White Goosefoot
Chenopodiaceae — Goosefoot family
Non-native
Chenopodium album
The backyard
September 2001

Search Google Delaware USDA

Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Chenopodium album L.

Lamb's Quarters

Chenopodium album plant

Family - Chenopodiaceae

Stems - No info yet.

Chenopodium album stem

Leaves - No info yet.

Chenopodium album leaves

Inflorescence - No info yet.

Flowers - No info yet.

Chenopodium album flowers Flowers close-up.

Flowering - May - October.

Habitat - Waste ground, disturbed sites, cultivated areas, roadsides, railroads.

Origin - Native to U.S. (?) and Eurasia.

Other info. - This species can be found throughout Missouri and is a common weed of disturbed and fallow areas. It is actually one of the most widespread angiosperms on the planet. The plant can often be recognized at quite a distance by the whitish underside of the leaves. In the fall the leaves turn a nice crimson color.
Many other similar species are not recognized by some authors and are lumped under C. album .
This species is edible and was used for to treat a variety of ailments. A tea was used to treat diarrhea and a poultice was used for burns. The leaves were eaten to treat stomach aches.
The pollen of C. album can cause hay fever.

Photographs taken off Lee Rd. 14, Lochapoka, AL., 9-22-04.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=Chal7 ---> https://plants.usda.gov/java/profile?symbol=Chal7
https://plants.usda.gov/java/profile?symbol=Chal7 ---> http://plants.usda.gov/core/profile?symbol=Chal7
http://plants.usda.gov/core/profile?symbol=Chal7 ---> https://plants.usda.gov/core/profile?symbol=Chal7
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You are here: Home / Plant Profile

Chenopodium album L.
lambsquarters

Image of Chenopodium album

General Information
Symbol: CHAL7
Group: Dicot
Family: Chenopodiaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : AK   I
CAN   I,N
GL   I
HI   I
L48   I,N
SPM   I
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Chenopodium thumbnails at the Plants Gallery

Bill Summers. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 10. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Caryophyllidae
Order Caryophyllales
Family Chenopodiaceae – Goosefoot family
Genus Chenopodium L. – goosefoot
Species Chenopodium album L. – lambsquarters

Subordinate Taxa

The Plants Database includes the following 7 subspecies of Chenopodium album . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Chenopodium album</i>
L. var. <i>
album </i>
Chenopodium album var. album
lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
candicans</i>
Moq. [excluded]
Chenopodium album var. candicans
Distribution of <i>
Chenopodium album</i>
L. var. <i>
centrorubrum</i>
Makino [excluded]
Chenopodium album var. centrorubrum
Distribution of <i>
Chenopodium album</i>
L. var. <i>
microphyllum</i>
Boenn.
Chenopodium album var. microphyllum
lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
missouriense</i>
(Aellen) I.J. Bassett & C.W. Crompton
Chenopodium album var. missouriense
Missouri lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
stevensii</i>
Aellen
Chenopodium album var. stevensii
Stevens' lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
striatum</i>
Krašan
Chenopodium album var. striatum
lateflowering goosefoot

Legal Status

U.S. Weed Information
Chenopodium album common lambsquarters lambsquarters white goosefoot This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
KY Haragan, P.D.. 1991. Weeds of Kentucky and adjacent states: a field guide . The University Press of Kentucky. Lexington, Kentucky.
N'EAST Uva, R.H., J.C. Neal,and J.M. DiTomaso. 1997. Weeds of the Northeast . Cornell University Press. Ithaca, New York.
NE&GP Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains . Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Hawaii UPL
North America
Alaska FACU
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (CHAL7)
CalPhotos (CHAL7)
Flora of North America (CHAL7)
Integrated Taxonomic Information System (CHAL7)
Jepson Interchange (University of California - Berkeley) (CHAL7)
Lady Bird Johnson Wildflower Center Native Plant Information Network (CHAL7)
Native American Ethnobotany (University of Michigan - Dearborn) (CHAL7)
USF Atlas of Florida Vascular Plants (CHAL7)
University of Wisconsin - Stevens Point Freckmann Herbarium (CHAL7)
Related Websites
Arizona: abstract & image of common lambsquarters (Chenopodium album) (CHAL7)
Canada-Manitoba Weeds (CHAL7)
International Survey of Herbicide Resistant Weeds (WSSA) (CHAL7)
NY-Cornell University: Poisonous Plant Databases (images) (CHAL7)
UC Davis, IPM: abstract & images (CHAL7)
Virginia: abstract & image (CHAL7)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


 PLANTS Home | USDA.gov | NRCS | Site Map | Policies and Links
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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Plantae  
 Phylum Tracheophyta  
 Class Magnoliopsida  
 Order Caryophyllales  
 Family Amaranthaceae  
 Genus Chenopodium  
  Chenopodium album    L. 
Provider: Ching-I Peng 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Chenopodium lobodontum   details
Citation: Flora of Taiwan 2nd ed. 2: 384, 1996
Name Code: 202725
  
Suggested Link    Discover Life    National Plant Genetic Resources Center    Flora of Taiwan 2nd eBooks (National Taiwan University)    Ethnobiota of Taiwan  
User Response:   upload Comments    upload Photo
 
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2018-03-02 U/L
 
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2018-03-02 U/L
 
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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=CHAL7 ---> https://plants.usda.gov/java/profile?symbol=CHAL7
https://plants.usda.gov/java/profile?symbol=CHAL7 ---> http://plants.usda.gov/core/profile?symbol=CHAL7
http://plants.usda.gov/core/profile?symbol=CHAL7 ---> https://plants.usda.gov/core/profile?symbol=CHAL7
Link: Skip repetitive navigation links
USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home  about PLANTS  PLANTS Team  Partners of PLANTS  What  National Plant Data Team Web Site  Help using PLANTS  Contact PLANTS
 
 Search the PLANTS Web site
 Name Search

 State Search
 Advanced Search
 Search Help
PLANTS Topics
 
 Alternative Crops
 Characteristics
 Classification
 Cover Crops
 Culturally Significant
 Distribution Update
 Documentation
 Fact Sheets & Plant Guides
 Introduced, Invasive, and Noxious Plants
 Threatened & Endangered
 Wetland Indicator Status
 
PLANTS Image Gallery
 
 50,000+ Plant Images
 
Download PLANTS data
 
 Complete PLANTS Checklist
 State PLANTS Checklist
 Advanced Search Download
 Symbols for Unknown Plants
 NRCS State GSAT Lists
 NRCS State Plants Lists
 
Related tools
 
 Crop Nutrient Tool
 Ecological Site Information System
 PLANTS Identification Keys
 Plant Materials Web Site
 Plant Materials Publications
 USDA Plant Hardiness Map
 
 
You are here: Home / Plant Profile

Chenopodium album L.
lambsquarters

Image of Chenopodium album

General Information
Symbol: CHAL7
Group: Dicot
Family: Chenopodiaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : AK   I
CAN   I,N
GL   I
HI   I
L48   I,N
SPM   I
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Chenopodium thumbnails at the Plants Gallery

Bill Summers. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 10. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Caryophyllidae
Order Caryophyllales
Family Chenopodiaceae – Goosefoot family
Genus Chenopodium L. – goosefoot
Species Chenopodium album L. – lambsquarters

Subordinate Taxa

The Plants Database includes the following 7 subspecies of Chenopodium album . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Chenopodium album</i>
L. var. <i>
album </i>
Chenopodium album var. album
lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
candicans</i>
Moq. [excluded]
Chenopodium album var. candicans
Distribution of <i>
Chenopodium album</i>
L. var. <i>
centrorubrum</i>
Makino [excluded]
Chenopodium album var. centrorubrum
Distribution of <i>
Chenopodium album</i>
L. var. <i>
microphyllum</i>
Boenn.
Chenopodium album var. microphyllum
lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
missouriense</i>
(Aellen) I.J. Bassett & C.W. Crompton
Chenopodium album var. missouriense
Missouri lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
stevensii</i>
Aellen
Chenopodium album var. stevensii
Stevens' lambsquarters Distribution of <i>
Chenopodium album</i>
L. var. <i>
striatum</i>
Krašan
Chenopodium album var. striatum
lateflowering goosefoot

Legal Status

U.S. Weed Information
Chenopodium album common lambsquarters lambsquarters white goosefoot This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
KY Haragan, P.D.. 1991. Weeds of Kentucky and adjacent states: a field guide . The University Press of Kentucky. Lexington, Kentucky.
N'EAST Uva, R.H., J.C. Neal,and J.M. DiTomaso. 1997. Weeds of the Northeast . Cornell University Press. Ithaca, New York.
NE&GP Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains . Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Hawaii UPL
North America
Alaska FACU
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (CHAL7)
CalPhotos (CHAL7)
Flora of North America (CHAL7)
Integrated Taxonomic Information System (CHAL7)
Jepson Interchange (University of California - Berkeley) (CHAL7)
Lady Bird Johnson Wildflower Center Native Plant Information Network (CHAL7)
Native American Ethnobotany (University of Michigan - Dearborn) (CHAL7)
USF Atlas of Florida Vascular Plants (CHAL7)
University of Wisconsin - Stevens Point Freckmann Herbarium (CHAL7)
Related Websites
Arizona: abstract & image of common lambsquarters (Chenopodium album) (CHAL7)
Canada-Manitoba Weeds (CHAL7)
International Survey of Herbicide Resistant Weeds (WSSA) (CHAL7)
NY-Cornell University: Poisonous Plant Databases (images) (CHAL7)
UC Davis, IPM: abstract & images (CHAL7)
Virginia: abstract & image (CHAL7)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


 PLANTS Home | USDA.gov | NRCS | Site Map | Policies and Links
Accessibility Statement | Privacy Policy | Non-Discrimination Statement

Following modified from Flora of North America
   Top | See original

Link to Flora of North America home
 
All Floras       Advanced Search
FNA Vol. 4 Page 296 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 4 | Chenopodiaceae | Chenopodium

32. Chenopodium album Linnaeus, Sp. Pl. 1: 219. 1753.

Lamb's-quarters, pigweed

Stems erect to sprawling, simple to much-branched, 1-30 dm, sparsely to densely farinose. Leaves nonaromatic; petiole 1-2.5 cm, shorter than blades or occasionally longer; blade ovate-lanceolate to rhombic-lanceolate or broadly oblong, 1-5.5(-12) × 0.5-3.8(-8) cm, base narrowly to broadly cuneate, margins sinuous-dentate to shallowly serrate or entire, apex acute to subobtuse, farinose abaxially. Inflorescences glomerules or occasionally 1-flowered peduncles in terminal and lateral compound spikes, 2-19 cm; glomerules subglobose, 3-4 mm diam.; bracts absent. Flowers: perianth segments 5, distinct nearly to base; lobes ovate, ca. 1 × 1.1 mm, apex obtuse, keeled, farinose, largely covering fruit at maturity; stamens 5; stigmas 2, 0.2-0.3 mm. Utricles depressed-ovoid; pericarp nonadherent, occasionally adherent, smooth to papillate. Seeds lenticular, margins round, 0.9-1.6 mm diam.; seed coat black, smooth, indistinctly granulate and/or radially grooved, or with faint reticulate-rugose ridges. 2 n = 54.

Fruiting late summer-fall. Disturbed soils in open habitats; 0-1400 m; introduced; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon; Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo; probably mostly native in Europe.

Chenopodium album , one of the worst weeds and most widespread synanthropic plants on the Earth, in its broad circumscription is also among the most polymorphic plant species. It is a loosely arranged aggregate of still insufficiently understood races. Hundreds of segregate microspecies and infraspecific entities (including nomenclatural combinations) of the C. album aggregate have been described and/or recognized by various authors. Some authors have recognized numerous segregate intergrading species, while others have developed elaborate infraspecific hierarchies with numerous subspecies, varieties, forms, and even numerous subforms (e.g., B. Jüttersonke and K. Arlt 1989), or have combined both approaches. Neither approach has brought satisfactory and uncontroversial results.

It is evident that most recent evolutionary processes within the group were greatly affected by anthropic factors, including extensive recent invasions, hybridization between previously geographically isolated taxa, poly-ploidy, intensive selective processes and mutagenesis in synanthropic habitats, gene drift, and so forth. All of these modern factors further complicated the taxonomic situation. Consequently, no infraspecific taxa are formally recognized in the present treatment. We attempt, however, to outline below the most common or noteworthy groups currently placed in Chenopodium album sensu lato. Although we list such groups under binomials, they should be considered here as informal groupings rather than accepted species.

It should be also kept in mind that many enigmatic and deviant forms of the Chenopodium album aggregate are in fact hybrids with other (occasionally several) species, and between infraspecific entities. C. album hybridizes with C. suecicum (producing C. × fursajevii Aellen & Iljin), C. opulifolium (producing C. × preissmannii Murr), C. strictum [producing C. × pseudostriatum (Zschacke) Murr], C. ficifolium (producing C. × jedlickae Dvorák or C. × zahnii Murr), C. berlandieri (producing C. × variabile Aellen), and some other species.

Chenopodium album sensu stricto: plants usually erect, ± farinose, at maturity becoming yellowish green with reddish tint; not profusely branched, branches in proximal 1 /2 mostly arching, in distal part straight and upright; proximal and middle cauline leaf blades ovate to weakly 3-lobed, margins dentate, teeth usually small and densely arranged; inflorescences normally condensed, spicate; seeds variable (especially in hybrids and deviate forms) but most often 1-1.25 mm diam., seed coat smooth or nearly so.

The typical form of Chenopodium album is widespread in North America, but occurs sporadically and less commonly than the following form.

Chenopodium lanceolatum Muhlenberg ex Willdenow: plants usually robust, erect to ascending, sparsely to moderately farinose, at maturity usually dark green; profusely branched, especially in inflorescence, branches arcuate and spreading; proximal and middle cauline leaf blades elliptic or elongate to narrowly lanceolate, base cuneate to narrowly cuneate, margins entire or with few teeth (usually in proximal 1 /2); inflorescences normally much-branched, loosely paniculate, often nodding; seeds variable in size.

Chenopodium lanceolatum is probably the most widespread and variable group of presumably hybridogenous forms in North America. I. J. Bassett and C. Crompton (1982) considered C. lanceolatum to be a form of C. album . It appears that the difference between these two taxa is based on habitat--- C. album grows in cultivated ground and has an erect growth habit whereas C. lanceolatum grows in vacant lots, roadsides, etc., and has a more sprawling habit.

Chenopodium pedunculare Bertoloni: plants similar to C. lanceolatum , but less robust, usually with ascending branches, sparsely to moderately farinose, at maturity dark green to yellowish; profusely branched, especially in inflorescence; proximal and middle cauline leaf blades ovate to broadly lanceolate (distal ones lanceolate), base rounded to cuneate, margins normally entire or with few teeth at base; inflorescences much-branched, loosely paniculate, nodding; seeds large, ca. 1.5 mm diam., seed coat smooth to irregularly and indistinctly grooved.

Forms similar to the European ones occur in North America, but their exact distribution and taxonomic status are uncertain. The taxonomy of Chenopodium pedunculare was discussed in detail by F. Dvo ák (1984).

Chenopodium suecicum Murr, and similar taxa including C. pseudopulifolium (J. B. Scholz) Murr: plants usually erect, sparsely to moderately farinose, or becoming glabrous, at maturity usually light green to dark green; branched in middle portion of stem and in inflorescence, branches straight to arcuate; proximal and middle cauline leaf blades elliptic or elongate to narrowly lanceolate, base cuneate to narrowly cuneate, margins variously 3-lobed and/or dentate, teeth few, usually large (especially in proximal 1 /2); inflorescences much-branched, loosely paniculate; seeds variable, but predominantly ca. 1 mm diam., seed coat with indistinct elongate depressions and radial grooves, occasionally nearly smooth.

Chenopodium suecicum was repeatedly reported from North America, mostly by European authors, and indeed, similar forms occur in the New World. However, their taxonomy is far from clear, and because of that they are treated here collectively, as an informal group of C. album . Some forms are transitional toward C. lanceolatum . Numerous forms of "C. syecucyn" were identified in North America as C. album sensu stricto or C. missouriense . The name C. paganum auct. was also widely misapplied.

Chenopodium jenissejense Iljin: plants usually with erect or ascending (rarely prostrate) main stem, sparsely farinose to almost glabrous, deep olive green, at maturity becoming yellowish or reddish; not profusely branched, proximal branches arcuate to almost prostrate; proximal and middle cauline leaf blades ovate-deltoid, 3-lobed to indistinctly 3-lobed, margins of lobes entire or nearly so, teeth (if present) small and obtuse; inflorescences normally compact, spicate; perianth segments spreading at maturity, not covering fruit; seeds 1-1.4 mm diam., seed coat indistinctly pitted with weak radial grooves.

Chenopodium jenissejense is a characteristic nonweedy alluvial taxon of sandy and gravelly river shores of northern Eurasia (northeastern European Russia, Siberia), related to C. acerifolium (see below). Several specimens collected in Alaska are probably referable to C. jenissejense ; the available scarce material is not sufficient to confirm this.

Chenopodium acerifolium Andrzejowsky: similar in morphology to C. jenissejense , this is a characteristic, predominantly nonweedy alluvial species confined to sandy habitats of eastern Europe and western Siberia. It has been reported as introduced in Colorado (W. A. Weber and R. C. Wittmann 1992); this record was probably based on misidentification of C. berlandieri (var. sinuatum ?).

Chenopodium giganteum D. Don, C. centrorubrum (Makino) Nakai, C. probstii Aellen, and other similar forms: plants usually exceptionally robust, to 20-30 (occasionally more) dm, erect, ± densely farinose (mealy pubescence of young leaves usually reddish or yellowish), at maturity becoming yellowish green, yellow to deep beet red; variously (but usually not profusely) branched; proximal and middle cauline leaf blades large (to 15 cm), ovate to distinctly 3-lobed, margins dentate to ± entire; terminal inflorescences normally condensed, spicate (in some forms lax but large), lateral inflorescences usually weakly developed; seeds variable but most often ca 1.2 mm diam. or larger, seed coat smooth or nearly so.

These taxa are probably all native to southern and southeastern Asia, where they were occasionally cultivated as ancient leaf vegetables and pseudocereals. In Japan and eastern China they were usually known as Chenopodium centrorubrum (Makino) Nakai, and in India and western China as C. giganteum D. Don. Other forms, such as C. amaranticolor Coste & Reynier, are of uncertain origin. Chenopodium probstii Aellen was described from Europe as an alien species supposedly introduced from Australia, but then its North American origin was suggested. Probably the forms discussed evolved independently in different parts of Eurasia and, consequently, represent different taxa of the C. album aggregate. Despite several painstaking efforts (e.g., P. Aellen 1929c; F. Dvo ák 1992), their taxonomy still remains confused and is in need of further experimental studies.

Chenopodium album var. stevensii Aellen: plants with thick leaves and reduced size are possibly a phenotypic response to dry northern prairie habitats. It has been reported from southern Manitoba and northern parts of the upper Midwest.

Chenopodium missouriense Aellen: a confusing taxon because of its mixed typification. It appears to be a native form of C. album that flowers in mid September regardless of when it germinated. The inflorescences are somewhat reminiscent of C. standleyanum . It occurs in the United States in the central lowlands and part of the Appalachian plateau and is designated a weed (D. T. Patterson et al. 1989).

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Number of matches : 49
Query: SELECT * FROM img WHERE ready=1 and taxon like "Chenopodium album%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

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Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0105 1680 [detail]
© 2005 Louis-M. Landry

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0105 1681 [detail]
© 2005 Louis-M. Landry

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0105 1682 [detail]
© 2005 Louis-M. Landry

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0105 1683 [detail]
© 2005 Louis-M. Landry

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0105 1684 [detail]
© 2005 Louis-M. Landry

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0905 1402 [detail]
© 2005 Luigi Rignanese

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0905 1403 [detail]
© 2005 Luigi Rignanese

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0905 1408 [detail]
© 2005 Luigi Rignanese

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0905 1409 [detail]
© 2005 Luigi Rignanese

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 0905 1411 [detail]
© 2005 Luigi Rignanese

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 1005 0060 [detail]
© 2005 Luigi Rignanese

Chenopodium album
Chenopodium album
ID: 0000 0000 1105 0952 [detail]
© 2005 Steve Matson

Chenopodium album
Chenopodium album
ID: 0000 0000 1105 0953 [detail]
© 2005 Steve Matson

Chenopodium album
Chenopodium album
ID: 0000 0000 1105 0954 [detail]
© 2005 Steve Matson

Chenopodium album
Chenopodium album
ID: 0000 0000 1105 0955 [detail]
© 2005 Steve Matson

Chenopodium album
Chenopodium album
ID: 0000 0000 1105 0956 [detail]
© 2005 Steve Matson

Chenopodium album
Chenopodium album
ID: 0000 0000 1105 0957 [detail]
© 2005 Steve Matson

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 1208 0574 [detail]
© 2008 Keir Morse

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 1208 0575 [detail]
© 2008 Keir Morse

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 1208 0576 [detail]
© 2008 Keir Morse

Chenopodium album
Chenopodium album
Common Lambsquarters
ID: 0000 0000 1208 0577 [detail]
© 2008 Keir Morse

Chenopodium album
Chenopodium album
Lambs Quarters
ID: 0000 0000 1109 0764 [detail]
© 2009 Barry Breckling

Chenopodium album
Chenopodium album
Lambs Quarters
ID: 0000 0000 1109 0763 [detail]
© 2009 Barry Breckling

Chenopodium album
Chenopodium album
Lamb's Quarters
ID: 0000 0000 0511 1007 [detail]
© 2011 Barry Breckling

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