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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.
Accessions: 16 (4 active, 4 available) in National Plant Germplasm System (Map)

Autonyms (not in current use), synonyms and invalid designations:

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

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 [Illinois, Iowa, Kansas, Missouri, Nebraska, Oklahoma]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia]
    • 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 [Campeche, Chiapas, Guanajuato, Guerrero, Hidalgo, Jalisco, México, Michoacán de Ocampo, Oaxaca, Querétaro, Quintana Roo, Veracruz de Ignacio de la Llave, 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. Erhardt, W. et al. 2002. Zander: Handwörterbuch der Pflanzennamen, 17. Auflage Note: = Chenopodium ambrosioides
  2. FNA Editorial Committee. 1993-. Flora of North America.
  3. Groth, D. 2005. pers. comm. Note: re. Brazilian common names
  4. Iwatsuki, K. et al. 1993-. Flora of Japan.
  5. Janick, J., ed. 1999. Perspectives on new crops and uses Note: = Chenopodium ambrosioides
  6. Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
  7. León, B. 2004. pers. comm. Note: re. Spanish (Peru) common names
  8. Liberty Hyde Bailey Hortorium. 1976. Hortus third. Note: = Chenopodium ambrosioides
  9. Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:89. Note: = Chenopodium ambrosioides
  10. Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: = Chenopodium ambrosioides
  11. Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. Note: = Chenopodium ambrosioides
  12. 1961. Webster's third new international dictionary. Note: = Chenopodium ambrosioides
  13. 2018. Mid-Atlantic invasive plant species (on-line resource)

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. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=446530. Accessed 14 August 2020.