3580-20. Water drops, or guttation of bracket fungus Red-Belt Conk (polypore mushroom Fomitopsis pinicola) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |