Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Ambrosia (Ragweed)
Ambrosia artemisiifolia L. - Ragweed
Ambrosia psilostachya DC. - Perennial Ragweed
Ambrosia trifida L. - Giant Ragweed
80–250 cm tall, <ba><b>annual</b></ba>, <i>without</i> latex, capitula unisexual. <span class="v1">inflorescence:</span> capitula (with involucres), ♀‑flowers in the axils of supporting-leaves, ♂‑capitula pendulous in a panicle-lik...
Natural, established occurences | Artificial occurences |
riparian vegetation, mudflat vegetation, reedbeds, perennial herbaceous vegetation, screes, rocky habitats, ruderal vegetation