 | 3358-30. Spores an conidia(?) (in KOH) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
