Willows (Genus Salix)
Willows are host to at least a half-dozen specialist Mining Bees, including a couple distinctive species.
Pickerelweed (Pontederia cordata)
This widespread wetland plant is the main food source for two distinctive bees in VT - one widespread and abundant, the other much more localized.
Loosestrife (Genus Lysimachia)
A couple of the native Loosestrifes in the genus Lysimachia are used by three rare bees, all in the genus Macropis - the Loosestrife Bees.