Ambrosia

Ambrosia artemisiifolia

Roman-wormwood

Ambrosia trifida

Horseweed

Ambrosia psilostachya

Dunbible-weed

Ambrosia dumosa

Ambrosia salsola

Burrobrush

Ambrosia chamissonis

Beachbur

Ambrosia acanthicarpa

Hooker's bur ragweed

Ambrosia confertiflora

Bur ragweed

Ambrosia deltoidea

Ambrosia ambrosioides

Ambrosia monogyra

Singlewhorl burrobrush

Ambrosia tenuifolia

Bur ragweed

Ambrosia bidentata

Southern ragweed

Ambrosia chenopodiifolia

Ambrosia hispida

Coastal ragweed

Ambrosia camphorata

Ambrosia eriocentra

Ambrosia polystachya

Ambrosia magdalenae

Ambrosia cumanensis