Acknowledgements
The authors gratefully acknowledge the support of Fundo Regional para Ciência e Tecnologia (FRCT) for the approval of the project “Sustainable production and phytogeographic certification of pollen produced in the Azores, Portugal” – EDITAL PRO-SCIENTIA/FRCT/2018/M3.1.a/001 (Reference: M3.1.a/F/022/2018).
Disclosure Statement
No potential conflict of interest was reported by the authors.