Missouri Lambsquarters Chenopodium album LinnaeusNon-native  -  Invasive    Synonyms: Chenopodium album var. missouriense, Chenopodium amaranticolor, Chenopodium giganteum, Chenopodium lanceolatum, Chenopodium missouriense, Chenopodium paganum, Common Lambsquarters, Lamb’s-Quarters, Lamb's Quarters, Pigweed, White Goosefoot.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Caryophyllales   >   Family Amaranthaceae   >   Genus Chenopodium   

Status:

Native to Eurasia. Naturalized throughout most of the world. Commonly found across Maryland in fields, roadsides, and disturbed areas.

Description:

A branching weed, with diamond-shaped leaves that are broadly toothed and often mealy-white beneath. Flowers are small and greenish, and may turn reddish.

Relationships:

Host plant for Common Sootywing and Hayhurst's Scallopwing.

Larval host plant for the moth Scythris sinensis. Distinctive leafmines caused by the non-native Orache Leafminer Moth.

There are 183 records in the project database.

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Missouri Lambsquarters blooming in Talbot Co., Maryland (9/2/2013). Photo by Jim Brighton. (MBP list)

Missouri Lambsquarters in Washington Co., Maryland (11/5/2019). Photo by Mary Ann Daly. (MBP list)

Missouri Lambsquarters in Baltimore City, Maryland (7/7/2016). Photo by Kirsten Johnson. (MBP list)

Missouri Lambsquarters in Anne Arundel Co., Maryland (9/7/2010). Photo by Bill Harms. (MBP list)

Missouri Lambsquarters in Kent Co., Maryland (5/26/2016). Photo by Dan Small. (MBP list)

Missouri Lambsquarters growing in St. Mary's Co., Maryland (7/6/2018). Photo by Ben Springer. (MBP list)

Missouri Lambsquarters in Dorchester Co., Maryland (10/13/2013). Photo by Bill Hubick. (MBP list)

Missouri Lambsquarters growing in Kent Co., Maryland (7/16/2016). Photo by Dan Small. (MBP list)

Missouri Lambsquarters hosting Orache Leafminer Moth larvae in Harford Co., Maryland (5/28/2018). Photo by Josh Emm. (MBP list)

Missouri Lambsquarters mined by Orache Leafminer Moth in Harford Co., Maryland (10/8/2017). Photo by Josh Emm. (MBP list)

Missouri Lambsquarters in Prince George's Co., Maryland (6/13/2017). Photo by Bill Harms. (MBP list)


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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: https://mdinvasives.org/species-of-concern/.