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Bidens L.

Rusokit Bur Marigold
Bidens, Biota of North America Program (query database) [BONAP]
Bidens, Den Virtuella Floran [DVF]
Bidens (Asteraceae) ; [GNSP]

Foodplants for Acosmetia biguttula, Condica illecta, Lacinipolia basiplaga, Notioplusia illustrata, Spilosoma lutescens screabile, Synchlora frondaria, Teracotona euprepia euprepia

Bidens tripartita L.

Tummarusokki Kolmijakoinen rusokki Trifid Bur-marigold Bur Beggarsticks Brunskärä
Bidens tripartita, Bilder ur Nordens Flora (in Swedish) [RUNEBERG]
Bidens tripartita ; [RK, 417]
Bidens tripartitus ; [SK, 581]

1387x1034 (~98Kb) Finland, Hamina, Meltti, 13.8.2005, Photo © Harri Arkkio

400x556 (~20Kb) FINLAND: Ka: Virolahti, 671:53, 10.8.1996, Photo © Markku Savela

Bidens radiata Thuill.

Säderusokki Litteämykeröinen rusokki Greater Bur-marigold Grönskärä
Bidens platycephalus Oerst.
Bidens radiata ; [RK, 417]
Bidens radiatus ; [SK, 581]

638x879 (~88Kb) Finland, Orivesi, Onnistaipale, 4.8.1999, Photo © Harri Arkkio

696x571 (~39Kb) Finland, Oulu, Äimärautio, 7.8.2005, Photo © Harri Arkkio

Bidens radiata × tripartita

Bidens × polakii Velen
Bidens radiata × tripartita ; [RK, 417]

Bidens cernua L.

Nuokkurusokki Nodding Bur-marigold Nodding Beggarsticks Stick-tight Nickskärä
Bidens cernua, Aquatic and Wetland Vascular Plants of the Northern Great Plains [USGS]
Bidens cernua ; [RK, 417]; [GMBOT, 841]
Bidens cernuus ; [SK, 582]

B. c. f. radiata DC.

Bidens cernua f. radiata ; [RK, 417 (note)]
Bidens cernuus var. radiatus ; [SK, 582]

Bidens vulgata Greene

Tall Beggarsticks Beggar-ticks Stick-tight
Bidens frondosa Wiegand, not L.
Bidens vulgata, Aquatic and Wetland Vascular Plants of the Northern Great Plains [USGS]
Bidens vulgata ; [GMBOT, 840]

B. v. var. puberula (Wiegand) Greene

Lännenrusokki Västkärä
Bidens vulgata var. puberula ; [RK, 418]; [GMBOT, 840]

7.11.1998 (19)

References:

[BONAP]

A Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands; A data base interface; BONAP U.S. Checklist - 1998; Provided by TAMU-BWG; Texas A & M Bioinformatics Working Group; Based on; Biota of North America Program

[DVF]

Den Virtuella floran; http://linnaeus.nrm.se/flora/welcome.html; Ett projekt vid Naturhistoriska riksmuseet (Stockholm, Sweden).; Even for non-Swedish speaker, the distribution maps on species are nice (map buttons "Norden" and "Norra halvklotet")

[GMBOT]

Robinson, Benjamin L., Fernald, Merrit Lyndon, 1908; Gray's New Manual of Botany (7th edition); A Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and adjacent Canada; American Book Company

[GNSP]

Wielgorskaya, 1995; Dictionary of generic names of seed plants

[Harri Arkkio]

Finland

[RK]

Hämet-Ahti, L., Suominen, J., Ulvinen, T. & Uotila, P. (eds), 1998; Retkeilykasvio (Field Flora of Finland); Ed. 4. 656 pp.; Finnish Museum of Natural History, Botanical Museum. Helsinki

[RUNEBERG]

Project Runeberg: Nordic literature online; Project Runeberg; Bilder ur Nordens Fauna (Carl Axel Magnus Lindman)

[SK]

Mela, A. J., Cajander, A. K., 1906; Suomen Kasvio; Viides painos

[USGS]

Northern Prairie Wildlife Research Center; http://www.npwrc.usgs.gov/index.htm

If you have corrections, comments or information to add into these pages, just send mail to Markku Savela
Keep in mind that the taxononic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.