Nicolai Josephi Jacquin Miscellanea austriaca ad botanicam, chemiam, et historiam naturalem spectantia, cum figuris partim coloratis Vindobonae Ex officina Krausiana, 1778-1781., The illustration showcases a detailed study of lichens, depicting various forms and structures. At the top, two elongated, branching forms illustrate the growth patterns, while the lower section presents a more intricate representation of a lichen colony. This central figure features a dense network of fine roots and dark dots, likely indicating reproductive structures. The accompanying annotations provide identifiers for each figure, suggesting a methodological approach to understanding lichen morphology and classification. The overall composition highlights the complexity and beauty of these organisms, emphasizing their ecological significance.