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Bidens

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... more about "Bidens"
John L. Strother +  and Ronald R. Weedon +
Linnaeus +
Beggar-ticks +, bident +  and fourchette +
Widespread +, especially in subtropical +, tropical +  and and warm-temperate North America and South America. +
Latin bis, two, and dens, tooth, alluding to 2-awned pappi of the original species +
Sp. Pl. +  and Gen. Pl. ed. +
1753 +  and 1754 +
hall1967a +, sherff1937a +  and weedon1973a +
Megalodonta +
Asteraceae (tribe Heliantheae) subtribe Coreopsidinae +