Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Ambrosia (Ragweed)
Ambrosia artemisiifolia L. - Ragweed
Ambrosia psilostachya DC. - Perennial Ragweed
Ambrosia trifida L. - Giant Ragweed
30–80 cm tall, <ba><b>perennial</b></ba>, <i>without</i> latex, <b>often dioecious</b>, capitula unisexual. <span class="v1">inflorescence:</span> capitula (with involucres), ♀‑flowers in the axils of supporting-leaves, ♂‑capitula ...
The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.
 |
Natural, established occurences |  |
Artificial occurences |
The color intensity reflects the species' abundance
Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)
perennial herbaceous vegetation, ruderal vegetation
in dry habitats