Acknowledgements

We would like to thank our fellow Plant Functional Traits Course 2020 participants for being great colleagues who pulled together during a challenging time and still created a fun field course experience. We would also like to thank Tasha-Leigh J. Gauthier, Laura H. Jessup, Jocelyn Navarro, Maria Elisa Pierfederici and Eugenia Sánchez for valuable discussions as we developed the initial draft of the manuscript.
We are grateful for the financial support provided by the Norwegian Research Council to develop the Plant Functional Trait Courses (project 274831 RECITE and 287784 EXPERTS under the INTPART program), and also support from the National Science Foundation (awards ABI-1565118 and HDR-1934790). SLM would also like to thank the Natural Environment Research Council Award NE/L002612/1 for supporting attendance of the 2020 Plant Functional Trait Course. JvO was supported by the Independent Research Fund of Denmark, project 7027-00133B. JCL is supported by the project 287784 EXPERTS of the Norwegian Research Council.