Black-jack

Bidens pilosa

Summary 2

Bidens pilosa is a species of flowering plant in the aster family, Asteraceae. It is native to the Americas but it is known widely as an introduced species of other regions, including Asia and the Pacific Islands. Its many common names include beggar-ticks, cobbler's pegs, and Spanish needle.

Sources and Credits

  1. (c) Shipher (士緯) Wu (吳), some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/13940097@N04/3346351331
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Bidens_pilosa

More Info

iNaturalistAU Map

Taxonomy:family Asteraceae