Figure 3. Aboveground biomass of invasive South African Chromolaena odorata (Ca, white), native Puerto Rican C. odorata (Cp, light grey) and native South African Panicum maximum (P, dark grey), with hatched bars indicating the wet treatments.

The x-axis shows the competition treaments: monoculture, replacement design (2×3 individual per pot) or additive design (2×6 individual per pot) in intra- and interspecific mixtures.