Allographa mexicana (Hale) Lücking & Kalb



Felix Schumm - CC BY 4.0
Mexico
Allographa mexicana (Isotype); thallus with ascomata, note the exfoliating thalline exciple (red arrows) and the round openings; bar 1 mm; inlay: ascospore, bar 20 μm.



Felix Schumm - CC BY 4.0
Mexico
Allographa mexicana; thallus with ascomata, bar 0.5 mm; note the oblong ascomata with slit-shaped opening. From almost all ascomata, the thalline exciple is split off .



Felix Schumm - CC BY 4.0
Mexico
Allographa mexicana (Isotype); section through ascoma, note the thalline exciple flaking off, bar 100 μm.


Source: https://www.europeana.eu/it/item/11629/HERBARXBGBMXGERMANYXBX60X0047975
Thelotrema mexicanum - Berlin-Dahlem Botanical Garden and Botanical Museum, Germany - CC BY-SA.


Source: https://www.europeana.eu/it/item/11629/HERBARXBGBMXGERMANYXBX60X0047975
Thelotrema mexicanum - Berlin-Dahlem Botanical Garden and Botanical Museum, Germany - CC BY-SA.