Relationships between floral visitor numbers per plant and the explanatory variables considered.¹

1Total model R2 = 0.64 for all visitors as response, and R2 = 0.59 for Hylaeus only as response. 2Coefficients ± SE shown for continuous variables, least square fitted means ± SE shown for different levels of categorical variables. 3Least square fitted means ± SE shown for different levels of categorical variables; levels within each categorical variable that are significantly different at α = 0.05 indicated with different letters, as determined by post hoc t tests.