3473-31. Spores and tissues (at low magnification) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from white spots on leaves of squaw-weed (Senecio ampullaceus) collected on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |