Extended Data Table 2 Flower morphology and flower-visiting insects of the four main nectar-providing species

From: Historical nectar assessment reveals the fall and rise of floral resources in Britain

  1. Flower morphology parameters (mean and standard error for depth and width of flower tubes) were measured on 20–40 flowers per species in the field. Flower-visiting insects were listed from plant–insect visiting networks from J.M. (published and unpublished data to which recorded interactions from a review of literature have been added (see Supplementary Table 12 for reference list).
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