An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3:

Licence: 
Creative Commons Licence
Description: 

Photographer: Britton, N.L., and A. Brown. 1913.

Creator: 
Tegegn, Tseday
Taxonomic name: 
Elephantopus nudatus (Taxonomy)
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith