Funding for this research was provided by:
Gatsby Charitable Foundation
Engineering and Physical Sciences Research Council
Biotechnology and Biological Sciences Research Council
Received: 15 October 2020
Accepted: 5 May 2021
First Online: 17 June 2021
: <i>Dionysia tapetodes</i> and <i>Primula marginata</i> were sampled from cultivated plants with permission from Cambridge University Botanic Garden. <i>Primula bullata</i> var <i>bullata</i> was sampled and used for this research with the permission from the owner of the cultivated plants, Prof. David Rankin. No ethics approvals were required.
: Not applicable as the manuscript contains no individual identifying data.
: The authors declare they have no competing interests.