Fungi named in 1800

Stereum hirsutum, commonly known as the false turkey tail, hairy stereum, or hairy curtain crust, is a species of fungus and a plant pathogen that infects coniferous and deciduous trees.

Lactarius controversus, commonly known as the poplar milkcap, is a large funnel-capped fungus within the genus Lactarius, which are collectively known as 'milk caps'. They all exude milky drops (lactate) from the flesh and gills when damaged. The species is classified as inedible but has sometimes been collected in Eurasia.

Hydnum rufescens, commonly known as the terracotta hedgehog, is an edible basidiomycete of the family Hydnaceae. It belongs to the small group of mushrooms often referred to as the tooth fungi, which produce fruit bodies whose cap undersurfaces are covered by hymenophores resembling spines or teeth, and not pores or gills. It is very similar to the more common hedgehog fungus (Hydnum repandum), and was previously sometimes considered a variety of that species. However, the following differences have been noted: the cap of H. rufescens is russet rather than beige, the overall dimensions are

Legaliana badia is a species of apothecial fungus belonging to the family Pezizaceae. This is one of the more familiar of the cup fungi of Europe, appearing from August to November as irregular dark brown cups up to 8 centimetres (3 in) wide and 2 cm (3⁄4 in) tall, often in small groups, on soil in woodland. The species tends to be seen more frequently on sandy soils and favours bare ground, e.g. at the sides of paths. This is a frequently observed European species with scattered records from many other parts of the world. Roger Phillips lists the species as inedible, but Tiffany

Aseroe rubra, commonly known as the anemone stinkhorn, sea anemone fungus and starfish fungus, is a common and widespread basidiomycete fungus recognizable for its foul odour of carrion and its sea anemone shape when mature. Found in gardens on mulch and in grassy areas, it resembles a red star-shaped structure covered in brownish slime called gleba on a white stalk. It attracts flies, which spread its spores.

Peziza micropus is a species of apothecial fungus belonging to the family Pezizaceae. This European fungus is found on rotting wood, especially beech and elm and tends to thrive in the aftermath of outbreaks of Dutch elm disease. The ascocarps are irregular pale brown saucers up to 5 cm (2.0 in) in diameter, appearing from summer to autumn.

Onygena equina, commonly known as the horn stalkball, is a species of fungus in the family Onygenaceae. The fungus grows on putrefying hooves and horns, and can digest the keratin in those substrates. Fruit bodies are small and white, with thick stipes supporting a "head" shaped like a flattened sphere. The skin, or peridium, of the head appears powdery or like a white crust, and breaks open in maturity, falling off in irregular pieces to expose the pale reddish-brown powdery spores within. The fungus is known from Europe and North America.

Onygena is the type genus of the fungal family Onygenaceae. The genus contains five species found in North America and Europe that grow on bones and feathers.

Lycoperdon molle, commonly known as the smooth puffball or the soft puffball, is a type of puffball mushroom in the genus Lycoperdon. It was first described scientifically in 1799 by Dutch mycologist Christiaan Hendrik Persoon. The puffball is edible when the internal flesh is still white.

Stictis is a genus of fungi in the family Stictidaceae. Most species are saprotrophic decomposers that inhabit dead wood, where they form small, flask-shaped fruiting bodies that remain largely embedded within their substrate and open through tiny pores. The genus is characterised by its distinctive white, frost-like rim that surrounds the fruiting bodies and thread-like ascospores divided by multiple cross-walls. Modern molecular phylogenetics studies suggest that the current broad concept of Stictis will likely be split into several separate genera as the group undergoes taxonomic revision.

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