Fungi named in 1763

Usnea is a genus of fruticose lichens in the large family Parmeliaceae. The genus, which currently contains roughly 130 species, was established by Michel Adanson in 1763. Species in the genus grow like leafless mini-shrubs or tassels anchored on bark or twigs. Members of the genus are commonly called old man's beard, beard lichen, or beard moss. Usnea lichens are characterized by their shrubby growth form, elastic branches with a central cord, and distinctive soralia that produce vegetative propagules. They vary in colour from pale green to yellow-green, grey-green, reddish, or variegated,

Polyporus is a genus of poroid fungi in the family Polyporaceae.

Graphis is a genus of lichen-forming fungi in the family Graphidaceae. Historically, Graphis was used as a broad category for species with colourless, transversely septate ascospores within the Graphidaceae. However, with advances in genetic research, this classification has become more refined. As a result, species previously classified under Graphina have been re-assigned to Allographa or Graphis. The species complex around Graphis scripta has also been recognised, leading to the identification of several new species, many of which may have been previously overlooked.

Lycogala is a genus of Amoebozoa, including the species Lycogala epidendrum. The genus has a cosmopolitan distribution and contains at least 43 known species, with many still undescribed.

Didymium spongiosum, also known as dog sick slime mold, is a species of true slime mold in the order Physarales. Before reclassification in 2023 it was known as Mucilago crustacea. Due to its visual resemblance to canine vomit, it is known colloquially as the "dog sick slime mould" or "dog sick fungus", albeit that slime moulds are not true fungi. The fruiting body is yellow to white, becoming paler with time, and then blackening. It usually occurs on damp grass. The species was described by P. Micheli ex F.H. Wigg.

Ugola is a genus of fungi in the Lyophyllaceae family. The genus was first described scientifically by the French naturalist Michel Adanson in his 1763 Familles des Plantes. The three fungi in the genus are anamorphs of species of Asterophora, a genus of fungi that are parasitic on other mushrooms.

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Gabura is a small genus of lichen-forming fungi in the family Arctomiaceae. These lichens form low-growing patches that range from thin, crust-like films to small, crumpled cushions, appearing dark olive-green to almost black when dry but swelling like a sponge and becoming softer when wet. They partner with blue-green algae called Nostoc and grow on tree bark or soil, often among mosses, reproducing through tiny disc-shaped fruiting bodies that contain long, multi-celled ascospores.

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