This image is a sample of yellow plant pollen from a yellow Hibiscus plant was obtained near Page House, Caltech, United States (1200 East California Blvd, Pasadena CA) at 11:00 PM 5/10/2019. This plant sample was obtained by picking one of the flowers from the flower bushes using hands, and then several stamen were removed from the flower using hands, they were swabbed with a cue tip, rubbed onto the slide, closed by a slide cover, and examined under the foldoscope. The pollen grains are ovalish and distinguished by their yellow-green color. The species of this flower is Hibiscus rosa-sinensis ‘Orange’ , and is distinguished by its orange-red-yellow streaks.