Scientific Name: Ageratina altissima (L.) R. M. King & H. Rob.

Caption: Pollen grain of Ageratina altissima

Photographer: Gretchen Jones @ http://pollen.usda.gov/index.htm

Image Source: http://compositae.lifedesks.org/node/517

Notes: Pollen grain of Ageratina altissima

Jones, G. D., & Wilson E. F. (2001).  'Pollen as Indicators of Source Areas and Foraging Resources.'

Copyright: http://creativecommons.org/licenses/by-nc/3.0/

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