Ronald S. Gross, Patricia A. Werner, Probabilities of Survival and Reproduction Relative to Rosette Size in the Common Burdock (Arctium minus: Compositae), The American Midland Naturalist, Vol. 109, No. 1 (Jan., 1983), pp. 184-193
No takes yet. Share an insight, caveat, or question.
Gross et al. (1983) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: