Scanning electron micrographs of pollen adjusted to the same scale A Oxalis corniculata B O. × vanaelstii C O. dillenii.

 
 
  Part of: Groom Q, Meeus S, Janssens SB, Leus L, Hoste I (2021) Hybridization of Oxalis corniculata and O. dillenii in their non-native range. PhytoKeys 178: 17-30. https://doi.org/10.3897/phytokeys.178.61031