Original ResearchPublished 18 March 2026Tall trees and exotic herbs identified in pollen and nest materials of seven cavity-nesting solitary bee species in AustraliaR. S. Wilson · A. Keller · S. D. Leonhardt · T. J. Smith · C. J. Burwell · C. Fuller · A. Shapcott · B. F. Kaluza · H. M. WallaceFrontiers in Bee Sciencedoi 10.3389/frbee.2026.1744662