Asteraceae
Great ragweed
Ambrosia trifida
- Family
- Asteraceae
- Genus
- Ambrosia
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Common names
By language (17)
- Arabic
- دمسيسة ثلاثية الأقسام
- arz
- دمسيسه ثلاثية الاقسام
- Belarusian
- Амброзія трохраздзельная
- Chinese
- 三裂叶豚草, 三裂葉豬草, 豚草, 大豚草
- Czech
- Ambrozie trojklaná
- Dutch
- Great ragweed
- English
- Great ragweed
- Estonian
- Kolmehõlmane ambroosia
- Finnish
- Sormituoksukki
- French
- Grande herbe à poux, Grande herbe a poux
- German
- Dreispaltige Ambrosie
- Japanese
- オオブタクサ
- Korean
- 단풍잎돼지풀
- Latvian
- Trīsdaivu ambrozija
- Slovenian
- Trikrpata žvrklja
- Swedish
- Hästambrosia
- Welsh
- Bratlys enfawr
Synonyms
- Ambrosia integrifolia Muhl. ex Willd.
- Ambrosia trifida f. trifida
- Ambrosia trifida subsp. trifida
- Ambrosia trifida var. heterophylla Kuntze
- Ambrosia trifida var. polyploidea J.Rousseau
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Le.Loup.Gris, CC BY-SA 3.0, from Wikimedia Commons Photo: Chris Griggs, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Le.Loup.Gris, CC BY-SA 3.0, from Wikimedia Commons Photo: Kelly Hendrix, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Fritzflohrreynolds, CC BY-SA 3.0, from Wikimedia Commons Photo: srroland85, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: ames H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org - See mo, CC BY 3.0, from Wikimedia Commons Photo: Taylor Roberts, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Oceancetaceen - Alice Chodura, CC BY-SA 3.0, from Wikimedia Commons Photo: Jennifer Stone, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Qwert1234, CC BY-SA 4.0, from Wikimedia Commons Photo: kaylaswhyte, CC BY-SA 4.0, from Pl@ntNet via GBIF
More in Ambrosia
- Annual ragweedAmbrosia artemisiifoliaAsteraceae
- Cuman ragweedAmbrosia psilostachyaAsteraceae
- Peruvian ragweedAmbrosia peruvianaAsteraceae
- BurrobushAmbrosia dumosaAsteraceae
- Flatspine bur ragweedAmbrosia acanthicarpaAsteraceae
- Ambrosia-leaf bursageAmbrosia ambrosioidesAsteraceae
- Weakleaf bur ragweedAmbrosia confertifloraAsteraceae
- Ambrosia arborescensAsteraceae
- Silver bur ragweedAmbrosia chamissonisAsteraceae
- Tucson bur ragweedAmbrosia cordifoliaAsteraceae
- Triangle bur ragweedAmbrosia deltoideaAsteraceae
- Dwarf bur ragweedAmbrosia pumilaAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.