Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Bidens (Beggarticks)
Bidens cernuus L. - Nodding Bur-Marigold
Bidens connatus Willd. - London Bur-Marigold
Bidens frondosus L. - Beggarticks
Bidens tripartitus L. - Trifid Bur-Marigold
Bidens radiatus Thuill. - Greater Bur-Marigold
15–100 cm tall, without latex. inflorescence: capitula (with involucres). capitula: erect, ray-flowers mostly absent, with rarely maximal 5 ray-flowers, Ø 10–20 mm. tubular-flowers: brownish to yellowish. ray-flowers: yellowish. fruits:
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.
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Natural, established occurences |  |
Artificial occurences |
The color intensity reflects the species' abundance
Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)
riparian vegetation, mudflat vegetation, reedbeds, ruderal vegetation
in nutritious, moist to wet, periodically flooded habitats