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Bidens alba var. radiata

Copyright by: Roger L. Hammer

General Landscape Uses: An aggressive native weed. Not recommended for general landscape use. Exteme caution is urged; this plant can get out of control very quickly.

Range: Southeastern United States south to the Monroe County Keys; the West Indies, southern Mexico and Central America.

Plant Map Map of select IRC data from peninsular Florida.

Wildlife and Ecology: Larval host plant for dainty sulphur (Nathalis iole) butterflies. Nectar plant for amethyst hairstreak (Chlorostrymon maesites), barred yellow (Eurema daira), Bartram's scrub-hairstreak (Strymon acis), cassius blue (Leptotes cassius), ceraunus blue (Hemiargus ceraunus), clouded skipper (Lerema accius), dainty sulpher, dorantes longtail (Urbanus dorantes), eastern pygmy-blue (Brephidium isophthalma), eufala skipper (Lerodea eufala), field skipper (Atalopedes campestris), Florida duskywing (Ephyriades brunnea floridensis), Florida white (Appias drusilla), [the introduced?] fulvous hairstreak (Electrostrymon angelica), gray hairstreak (Strymon melinus), great southern white (Ascia monuste), gulf fritillary (Agraulis vanillae), hammock skipper (Polygonus leo), julia (Dryas iulia), little yellow (Eurema lisa), large orange sulpher (Phoebis agarithe), long-tailed skipper (Urbanus proteus), mangrove skipper (Phocides pigmalion), martial scrub-hairstreak (Strymon martialis), Miami blue (Cyclargus thomasi bethunebakeri), monk (Asbolis capucinus), Palatka skipper (Euphyes pilatka), red-banded hairstreak (Calycopis cecrops), silver-banded hairstreak (Chlorostrymon simaethis), southern broken-dash (Wallengrenia otho), three-spotted skipper (Cymaenes tripunctatus), tropical checkered skipper (Pyrgus oileus), twin-spot skipper (Oligorio maculata), white peacock (Anartia jatrophae), zestos skipper (Epargyreus zestos), zarucco dusky wing (Erynnis zarucco), and other butterflies.

Attracts native bees and other beneficial insects. Provides valuable insects and seeds for birds.

Comments: See also the Florida Wildflower Foundation's Flower Friday page.

Copyright by: Roger L. Hammer

Other data on Bidens alba var. radiata available from:

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