Fungi named in 1780

Tuber is a genus in the fungal family Tuberaceae, with estimated molecular dating to the end of the Jurassic period (156 Mya). It includes several species of truffles that are highly valued as delicacies.

Cladonia rangiferina, also known as reindeer cup lichen, reindeer lichen (cf. Sw. renlav) or grey reindeer lichen, is a light-coloured fruticose, cup lichen species in the family Cladoniaceae. It grows in both hot and cold climates in well-drained, open environments. Found primarily in areas of alpine tundra, it is extremely cold-hardy. Other common names include reindeer moss, deer moss, and caribou moss, but these names can be misleading since it is, though somewhat moss-like in appearance, not a moss. As the common names suggest, reindeer lichen is an important food for reindeer (caribou),

Fuligo septica is a species of slime mold in the class Myxomycetes. It is commonly known as scrambled egg slime or flowers of tan because of its peculiar yellowish appearance; it is also known as dog vomit slime mold. This slime mold is relatively common with a worldwide distribution, often being found on bark, mulch, lawns, as well as other rotting organic matter in urban areas after heavy rain or excessive watering. Their spores are produced on or in aerial sporangia and are spread by wind.

Usnea florida is a species of beard lichen in the family Parmeliaceae. First described by Carl Linnaeus in 1753 and later reclassified by Friedrich Heinrich Wiggers in 1780, it is a shrubby, upright lichen growing 2–10 cm tall with slender, curved branches covered in papillae and fibrils, and distinctive disc-shaped reproductive structures (apothecia) surrounded by branching filaments. Its development progresses through eleven distinct states across four main periods, beginning with the union of fungal spores and compatible algae to form a protothallus, followed by branching processes that

Cladonia uncialis is a species of fruticose, cup lichen in the family Cladoniaceae. It was first described as a new species by Swedish taxonomist Carl Linnaeus in 1753. It was transferred to the genus Cladonia by Friedrich Heinrich Wiggers in 1780. In North America, the lichen is colloquially known as the thorn Cladonia or the thorn cup lichen. Cladonia uncialis is host to the lichenicolous fungus species Lichenopeltella uncialicola, which is named after C. uncialis.

Usnea hirta is a species of beard lichen in the family Parmeliaceae. It was one of 80 lichen species first formally described by Carl Linnaeus in his 1753 work Species Plantarum. Friedrich Heinrich Wiggers transferred it to the genus Usnea in 1780. The lichen is sensitive to air pollution, and is often used as a biomonitor of sulphur dioxide. Usnea hirta has an extensive worldwide distribution, and it is morphologically variable, which has led to numerous intraspecific taxa (i.e. subspecies, varieties, and forms) being proposed in its taxonomic history.

Cladonia subulata is a species of fruticose, cup lichen in the family Cladoniaceae. It was first described as a new species by the Swedish taxonomist Carl Linnaeus in 1753. It was transferred to the genus Cladonia by Friedrich Heinrich Wiggers in 1780. In North America, the lichen is colloquially known as the antlered powderhorn or antlered cup lichen. In Nepal, Cladonia subulata has been reported from 2,200 to 2,700 m elevation in a compilation of published records.

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.

Arcyria is a genus of Amoebozoa in the family Arcyriaceae. It includes the species Arcyria ferruginea .

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