**7. Final Remarks**

This review describes the range of approaches available to investigate floral visitation by pollinators using DNA metabarcoding. We demonstrate how the ability to yield valuable individual-to-community-level information on foraging over large spatiotemporal scales allows for a breadth of ecological questions to be explored, for the benefit of both the conservation of pollinators and the maintenance of the ecosystem services they provide.

DNA metabarcoding has become a standard tool for the characterisation of complex plant– pollinator interactions, allowing for an improved understanding of threatened global biodiversity.

**Supplementary Materials:** The following supporting information can be downloaded at https: //www.mdpi.com/article/10.3390/d14040236/s1, Table S1: Details of studies which use plant DNA metabarcoding to identify floral visitation by pollinators or developed methods to support. Table S2: Recommended primer sequences used to amplify the *rbcL* and ITS2 barcode regions.

**Author Contributions:** Conceptualisation, A.L., N.d.V. and S.C.; methodology, A.L. and N.d.V.; validation, A.L., L.J., L.W., S.C. and N.d.V.; investigation, A.L.; data curation, A.L.; writing—original draft preparation, A.L. and N.d.V.; writing—review and editing, A.L., L.J., L.W., S.C. and N.d.V.; supervision, N.d.V. and S.C.; funding acquisition, N.d.V. All authors have read and agreed to the published version of the manuscript.

**Funding:** A.L., L.J. and N.d.V. have received funding through the Welsh Government Rural Communities—Rural Development Programme 2014–2020, which is funded by the European Agricultural Fund for Rural Development and the Welsh Government. A.L. and L.W. were supported by a Knowledge Economy Skills Scholarship (KESS2), part funded by the Welsh Government's European Social Fund (ESF).

**Institutional Review Board Statement:** Not applicable.

**Data Availability Statement:** All relevant data are provided in the Supplementary Materials.

**Conflicts of Interest:** The authors declare no conflict of interest.
