Ambrosia psilostachya

Western ragweed, Cuman ragweed

Scott ClarkJune 16, 2018

Ambrosia psilostachya, or Western ragweed, has distinctive, deeply lobed, alternating leaves and an upright posture. Flowers are small and enclosed within bracts but produce a potent pollen for those allergic to it.

References

Richardson, A. (2013). Wildflowers and other plants of Texas beaches and islands. Austin, TX: University of Texas Press.

Scott ClarkJune 16, 2018

Scott Clark

I'm a Ph.D. student in Ecology and Evolutionary Biology in the Crawford Lab at the University of Houston. My primary research interests are in plant invasion ecology, microbiome interactions and plant community assembly.

Scott Clark

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