These photographs are of my pollen reference slide collection. The pollen samples were taken from the living plant. They have been mounted on microscope slides in glycerine gel and photographed through a microscope fitted with a digital camera.
Rex Sawyer’s book, Pollen Identification for beekeepers is really helpful for understanding the features of pollen. In Bob Maurer’s book, Practical Microscopy for Beekeepers, he shows some simple techniques for making up pollen slides.