Fern Nectar Composition

The dataset contains (a) total sugar concentrations and (b) sugar proportions (glucose, fructose, and sucrose) of nectar samples of leaf nectaries of fern species of Botanical Gardens. Methodological details are given in Mehltreter et al. (2022): Nectaries in ferns: taxonomic distribution, structure, function and sugar composition. American Journal of Botany 109(1):46-57.