“…A total of 15 families were detected in Austria and 16 in Denmark, and these numbers lie within the range that has been reported for single sampling events in central Europe (Brodschneider et al, 2019;Danner et al, 2017). Most Austrian (9) and Danish ( 10 Asteraceae, Brassicaceae and Papaveraceae are often listed as ubiquitous pollen sources for honey bees, Balsaminaceae is less common (Brodschneider et al, 2019;Coffey & Breen, 1997;Danner et al, 2017;Dimou & Thrasyvoulou, 2007;Potter et al, 2019;Richardson et al, 2019). However, the relative importance of forage varies with land cover and season, and all these herb families include late summer bloomers (Bilisik et al, 2008;Coffey & Breen, 1997;Dimou & Thrasyvoulou, 2007;Donkersley et al, 2014;Lau et al, 2019).…”