Ambrosia ×helenae Rouleau

Ambrosia ×helenae Rouleau is an accepted species name sensu FNA Ed. Comm., 2006c.

Hybrid parents

Ambrosia artemisiifolia Linnaeus.

Ambrosia trifida Linnaeus.

Vernacular names

herbe à poux de l’île Sainte-Hélène Favreau

Sainte-Hélène Island ragweed Anions
Helen's ragweed ITIS, 2010

Synonyms

Distribution

Native
Introduced
Ephemeral
Excluded
Extirpated
Doubtful
Absent

Distribution: Ambrosia ×helenae Rouleau

View map as a SVG file.

Classification

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

Habit

Herb