Acknowledgements

This work was funded by the California Native Plant Society, an NSERC PGS-D awarded to M.S., NSF grants #EPS-1655726 and #EPS-2033292 supported E.C., M.S. and L.S, and an NSERC Discovery Grant supported M.S. and R.G. (2019-04872). Thanks to Benji Mackay and Kately Nikiforuk for assistance in setting up the experiment, Alec Chiono and Leigh Hiura for collecting data and saving this project from border restrictions due to the Covid-19 pandemic, Savanna Skinner for assistance processing the data, and Dusty Gannon for assistance with statistical methods.