Lysimachia quadrifolia (whorled loosestrife, whorled yellow loosestrife, crosswort) is a species of herbaceous plant in the family Myrsinaceae. It native to the eastern United States and Canada.
Lysimachia quadrifolia (Whorled Loosestrife)
(Halictid bees collect pollen; this plant produces floral oil that attracts Melittid bees, however only Halictid bees were observed in this study; observations are from McCall & Primack)
Bees (short-tongued)
Halictidae (Halictinae): Augochlorella aurata cp (MP), Augochlorella striata cp (MP), Lasioglossum divergens cp (MP), Lasioglossum macoupinensis cp (MP)