Dry Weight (Biomass) References
Digitalis purpurea L. [Purple Foxglove]


Hunt, R., Hand, D.W., Hannah, M.A. and Neal, A.M. 1991. Response to CO2 enrichment in 27 herbaceous species. Functional Ecology 5: 410-421.

Schadler, M., Roeder, M., Brandl, R. and Matthies, D. 2007. Interacting effects of elevated CO2, nutrient availability and plant species on a generalist invertebrate herbivore. Global Change Biology 13: 1005-1015.


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