Data on floral attributes and floral visitors of native and alien species

Floral attributes, floral visitors and pollen load capacities of each floral visitor of 14 plant species, comprising of eight natives (Cirsium japonicum, Euonymus japonicus, Enkianthus perulatus, Ligustrum obtusifolium, Deutzia crenata f. plena, Rhaphiolepis indica var. umbellata, Ampelopsis glandulosa var. heterophylla, and Cayratia japonica) and six alien species (Erigeron annuus, Erigeron philadelphicus, Astragalus sinicus, Phytolacca americana, and Verbena brasiliensis). The data were obtained from observation in 2018 and 2019 in the suburban area of Gifu Prefecture, Japan.