Xanthoria parietina. Lichen under microscope (Fungi)

See the iNaturalist observation for more details: https://www.inaturalist.org/observations/258289554 Sampling location: A lichen growing on the bark of a poplar tree _(Populus sp.),_ roadside in a residential area. Date and time of collection: January 5, 2025 at 11 AM. Air temp -4 °C (24,8°F). Date and time of observation: January 6, 2025 at 12 PM. The sample was immersed in distilled water on the slide for high magnification microscopy. Small sample of lichen were moistened with distilled water and stored in a closed glass jar. All images and video are of the organism. Phylum: Ascomycota. Subphylum: Pezizomycotina. Class: Lecanoromycetes. Subclass: Lecanoromycetidae. Order: Teloschistales. Family: Teloschistaceae. _Xanthoria parietina_ (L.) Th.Fr (1860). Identification by Julie Hilligsøe Lisby (jlisby) and Сергей Кукуев (sergey-k) on the iNaturalist website. Music: Jesse Gallagher - Shasta - Trinity