Dry Weight (Biomass) References
Achillea millefolium L. [Yarrow]
Lee, T.D., Tjoelker, M.G., Reich, P.B. and Russelle, M.P. 2003. Contrasting growth response of an N2-fixing and non-fixing forb to elevated CO2: dependence on soil N supply. Plant and Soil 255: 475-486.
Reich, P.B., Tilman, D., Craine, J., Ellsworth, D., Tjoelker, M.G., Knops, J., Wedin, D., Naeem, S., Bahauddin, D., Goth, J., Bengtson, W. and Lee, T.D. 2001. Do species and funtional groups differ in acquisition and use of C, N and water under varying atmospheric CO2 and N availability regimes? A field test with 16 grassland species. New Phytologist 150: 435-448.