ACKNOWLEDGEMENTS
The authors would like to thank Theodor E. Bolsterli, Monika Dragsted,
Jan Hostrup, Morten L. Stephensen and other members of the plant
facilities team at PLEN (University of Copenhagen) for assistance while
growing the plants in the greenhouse and climate chamber. We would also
like to thank Catherine S. Nielsen and Sebastian Kjeldgaard-Nintemann
from the Center for Advanced Bioimaging (CAB, University of Copenhagen),
and Klaus Qvortrup from the Core Facility for Integrated Microscopy
(CFIM, University of Copenhagen), for invaluable help during sample
preparation and imaging. Finally, we would like to thank Petr Pavelka
for sharing the images of C. ausensis subsp. titanopsisgrowing in the wild shown in Fig. 2 .