Illustration of Ageratina altissima var. altissima from Flora of North America

Licence: 
Creative Commons Licence
Description: 

Full citation below:

Nesom, Guy L. “Ageratina” in Flora of North America, Vol. 21, p. 549. Oxford University Press, Inc. New York, NY. 2006.

Photographer: Taken from Nesom, Guy L. “Ageratina” in Flora of North America, Vol. 21, p. 549. Oxford University Press, Inc.... Publisher: Hamilton, Hayley.

Creator: 
Taken from Nesom, Guy L. “Ageratina” in Flora of North America, Vol. 21, p. 549. Oxford University Press, Inc...
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith