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Taxon: Dysphania ambrosioides (L.) Mosyakin & Clemants

Genus: Dysphania
Family: Chenopodiaceae
Subfamily: Chenopodioideae
Tribe: Dysphanieae
Nomen number: 446530
Place of publication: Ukrayins'k. Bot. Zhurn. 59:382. 2002
Link to protologue:
Name Verified on: 24-May-2004 by ARS Systematic Botanists. Last Changed: 10-May-2014
Species priority site is: North Central Regional PI Station (NC7)
Accessions: 16 (4 active, 4 available) in National Plant Germplasm System (GoogleMap)

Common names:

  • American wormseed  (Source: Dict Rehm) - English
  • Jerusalem-tea  (Source: Websters Dict) - English
  • Mexican-tea  (Source: F NAmer) - English
  • Spanish-tea  (Source: Hortus 3) - English
  • wormseed  (Source: F NAmer) - English
  • mintina  (Source: Weeds Egypt) - Arabic
  • nitna  (Source: F Egypt) - Arabic
  • ambroisie du Mexique  (Source: Dict Rehm) - French
  • mexikanischer Tee  (Source: Zander ed17) - German
  • wohlriechender Gänsefuß  (Source: Zander ed17) - German
  • Wurmsamen  (Source: Dict Rehm) - German
  • erva-de-Santa-Maria  (Source: Dict Rehm) - Portuguese
  • ambrósia  (Source: pers. comm.) - Portuguese (Brazil)
  • ambrósia-do-México  (Source: pers. comm.) - Portuguese (Brazil)
  • anserina-vermífuga  (Source: pers. comm.) - Portuguese (Brazil)
  • ereva-mata-pulga  (Source: pers. comm.) - Portuguese (Brazil)
  • erva-das-lombrigas  (Source: pers. comm.) - Portuguese (Brazil)
  • erva-de-bicho  (Source: pers. comm.) - Portuguese (Brazil)
  • erva-formigueira  (Source: pers. comm.) - Portuguese (Brazil)
  • mastruço  (Source: Persp New Crops Uses) - Portuguese (Brazil)
  • menstruço  (Source: pers. comm.) - Portuguese (Brazil)
  • apazote  (Source: F Guat) - Spanish
  • apozote  (Source: Dict Rehm) - Spanish
  • epazote  (Source: F Guat) - Spanish
  • hierba hormiguera  (Source: Dict Rehm) - Spanish
  • pazote  (Source: Dict Rehm) - Spanish
  • paico  (Source: pers. comm.) - Spanish (Peru)
  • citronmålla  (Source: Kulturvaxtdatabas) - Swedish
  • naemsaemyeongaju  (Source: F Korea) - Transcribed Korean

Economic Importance:

  • Food additives: flavoring (as Chenopodium ambrosioides L.); flavoring (as Chenopodium ambrosioides L.)
  • Harmful organism host: crop pests (as Chenopodium ambrosioides L.)
  • Materials:
  • Medicines: folklore (as Chenopodium ambrosioides); folklore (as Chenopodium ambrosioides); folklore (as Chenopodium ambrosioides)
  • Vertebrate poisons:
  • Weed: potential seed contaminant (as Chenopodium ambrosioides L.)

Distributional Range:


    Northern America
    • NORTHEASTERN U.S.A.: United States [Indiana, New Jersey, New York, Ohio, Pennsylvania, West Virginia]
    • NORTH-CENTRAL U.S.A.: United States [Iowa, Kansas, Missouri, Nebraska, Illinois, Oklahoma]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, North Carolina, South Carolina, Virginia, Mississippi, Tennessee]
    • SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
    • SOUTHWESTERN U.S.A.: United States [Arizona, California, Utah]
    • NORTHERN MEXICO: Mexico [Baja California (Norte), Baja California Sur, Coahuila de Zaragoza, Nuevo León, San Luis Potosí, Sonora, Tamaulipas]
    • SOUTHERN MEXICO: Mexico [Chiapas, Guerrero, Hidalgo, Jalisco, México, Michoacán de Ocampo, Oaxaca, Querétaro, Quintana Roo, Veracruz de Ignacio de la Llave, Campeche, Guanajuato, Yucatán]

    Southern America
    • CENTRAL AMERICA: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
    • NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela
    • WESTERN SOUTH AMERICA: Bolivia, Colombia, Peru
    • SOUTHERN SOUTH AMERICA: Argentina, Chile, Paraguay

    Naturalized (natzd. elsewhere)


  1. Webster's third new international dictionary. (Websters Dict)
  2. Mid-Atlantic invasive plant species (on-line resource) (Mid Atl Invasive Pl)
  3. Erhardt, W. et al. Zander: Handwörterbuch der Pflanzennamen, 17. Auflage. 2002 (Zander ed17)
  4. FNA Editorial Committee Flora of North America. (F NAmer)
  5. Groth, D. 2005. pers. comm. (pers. comm.)
  6. Iwatsuki, K. et al. Flora of Japan. (F Japan)
  7. Janick, J., ed. Perspectives on new crops and uses. 1999 (Persp New Crops Uses)
  8. Kingsbury, J. M. Poisonous plants of the United States and Canada. (Kingsbury)
  9. León, B. 2004. pers. comm. (pers. comm.)
  10. Liberty Hyde Bailey Hortorium Hortus third. (Hortus 3)
  11. Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants (Kulturpflanze) 34:89.
  12. Rehm, S. Multilingual dictionary of agronomic plants. 1994 (Dict Rehm)
  13. Standley, P. C. & J. A. Steyermark Flora of Guatemala. (F Guat)

Check other web resources for Dysphania ambrosioides (L.) Mosyakin & Clemants :

  • Flora of North America: Collaborative Floristic Effort of North American Botanists
  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • Flora del Conosur: Catálogo de las Plantas Vasculares del Conosur
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?446530. Accessed 19 April 2019.