Ambrosia trifida

Ambrosia trifida Linnaeus is an accepted species name sensu FNA Ed. Comm., 2006c.

Hybrid parent of

Ambrosia ×helenae Rouleau.

Vernacular names

• grande herbe à poux Darbyshire et al., 2000
• ambroisie trifide Marie-Victorin, 1995
• ambrosie trifide Louis-Marie, 1953

• giant ragweed FNA Ed. Comm., 2006c
• great ragweed Hinds, 2000

Synonyms

• Ambrosia aptera de Candolle FNA Ed. Comm., 2006c
• Ambrosia trifida Linnaeus var. trifida TROPICOS
• Ambrosia trifida var. integrifolia (Muhlenberg) Torrey & A. Gray FNA Ed. Comm., 2006c
• Ambrosia trifida var. texana Scheele FNA Ed. Comm., 2006c

Distribution

• Map view
• List view

• Native
• Introduced
• Ephemeral
• Excluded
• Extirpated
• Doubtful
• Absent

Classification

Class	Equisetopsida
Subclass	Magnoliidae
Superorder	Asteranae
Order	Asterales
Family	Asteraceae
Subfamily	Asteroideae
Tribe	Heliantheae
Genus	Ambrosia
Species	Ambrosia trifida

Habit

Herb