Average a total biomass b above-ground biomass c below-ground biomass d leaf biomass e number of leaves f stem biomass and g specific leaf area (SLA) of Guioa semiglauca seedlings grown under different competition treatments: alone, with another G. semiglauca (with conspecific), with two invasive lianas, Araujia sericifera, Anredera cordifolia, and two native lianas, Cissus antarctica and Pandorea pandorana. Light levels are pooled for each mean. Different letters represent significant differences between bars based on Tukeys test.