Table 1. Selected existing literature on the five Salvia species considered in this study.

We are reporting studies indicating pollinator visits actually observed by authors.

Salvia species	Study location	Observed pollinators	Reference list
S. greggii	USA, California	Calypte costae (Bourcier) (hummingbird), Apis mellifera L. and Xylocopa spp.	[19,49]
S. blepharophylla	-	-	-
S. verticillata	Poland	Apis mellifera, Bombus spp., Bombus terrestris L., B. lucorum L., solitary bees, flies, butterflies	[50,51,52]
	Italy	Bombus spp., Xylocopa violacea (L.), A. mellifera, Anthidium sp., Lasioglossum sp., Hyleus sp., Andrena sp.	[47]
	Iran	Apis mellifera	[53]
S. uliginosa	USA, California	Xylocopa sp., spring bees	[20]
S. pratensis	UK	Bombus pascuorum (Scopoli), B. Hortorum (L.), B. Lapidarius (L.), Apis mellifera, hoverflies	[54]