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: 4 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 (fide F Guat, as Chenopodium ambrosioides L.; Ency CNatIn, as Chenopodium ambrosioides L.)
  • Harmful organism host: crop diseases (fide WorldWeeds 176. 1997, as Chenopodium ambrosioides L.)
  • Harmful organism host: crop pests (fide WorldWeeds 176. 1997, as Chenopodium ambrosioides L.)
  • Materials: essential oils (used in cosmetics fide Ency CNatIn, as Chenopodium ambrosioides L.)
  • Medicines: folklore (fide Ency NatIn, as Chenopodium ambrosioides; Pl Res SEAs 12(1):194. 1999, as Chenopodium ambrosioides; CRC Med Herbs ed2, as Chenopodium ambrosioides; Herbs Commerce ed2, as Chenopodium ambrosioides)
  • Vertebrate poisons: mammals (oil fide Kingsbury)
  • Weed: potential seed contaminant (fide Atlas WWeed, as Chenopodium ambrosioides L.)

Distributional Range:


  • Northern America

    • North-Central U.S.A.: United States Illinois, Iowa, Kansas, Missouri, Nebraska, Oklahoma
    • Northeastern U.S.A.: United States Indiana, New Jersey, New York, Ohio, Pennsylvania, West Virginia
    • Northern Mexico: Mexico Baja Norte, Baja Sur, Coahuila, Nuevo Leon, San Luis Potosi, Sonora, Tamaulipas
    • South-Central U.S.A.: United States New Mexico, Texas
    • Southeastern U.S.A.: United States Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia
    • Southern Mexico: Mexico Campeche, Chiapas, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico, Michoacan, Oaxaca, Queretaro, Quintana Roo, Veracruz, Yucatan
    • Southwestern U.S.A.: United States Arizona, California, Utah
  • Southern America

    • Central America: Belize ; Costa Rica ; El Salvador ; Guatemala ; Honduras ; Nicaragua ; Panama
    • Northern South America: French Guiana ; Guyana ; Suriname ; Venezuela
    • Southern South America: Argentina ; Chile ; Paraguay
    • Western South America: Bolivia ; Colombia ; Peru

  • Naturalized


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


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