Bidens Species, Larger Bur-Marigold, Smooth Beggarticks, Smooth Bidens

This Smooth Bur-Marigold or Sticktight is a pretty wetland wildflower growing along watercourses and ponds and lakes, having showy 2" wid...Read Moree yellow flower heads. The very similar Nodding Bur-Marigold (Bidens cernua) has either no yellow ray petals or just short yellow ray petals and the flowers nod more when old. The two species can intergrade and may really be one species. Native to South America through Mexico into CA, AR, NM, the South, the Mid-Atlantic, into New England, NY, OH, and IN.

This plant blooms during late summer/early fall in fresh water marshes in this area. As other plants such as wild rice ripen, Bur-marigol...Read Moreds begin to bloom providing beautiful patches of yellow in the rapidly browning marsh.

Smooth Bidens Bidens laevis is Native to Texas and other States.