Percent Dry Weight (Biomass) References
Xanthium strumarium var. canadense Mill. [Canada Cockleburr]


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Kinugasa, T., Hikosaka, K. and Hirose, T. 2004. Reproductive growth and respiration in an annual under elevated CO2. Phyton 45: 415-418.

Miyagi, K.-M., Kinugasa, T., Hikosaka, K. and Hirose, T. 2007. Elevated CO2 concentration, nitrogen use, and seed production in annual plants. Global Change Biology 13: 2161-2170.

Nagel, J.M., Wang, X., Lewis, J.D., Fung, H.A., Tissue, D.T. and Griffin, K.L. 2005. Atmospheric CO2 enrichment alters energy assimilation, investment and allocation in Xanthium strumarium. New Phytologist 166: 513-523.


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