Fungi named in 1801

Amanita caesarea, commonly known as Caesar's mushroom, is a species of fungus in the genus Amanita. While it was first described by Giovanni Antonio Scopoli in 1772, it was a favorite of early rulers of the Roman Empire. The mushroom has a distinctive orange cap, yellow gills and stipe, and contains organic acids. The species resembles poisonous species including fly agaric. A. caesarea is found in North Africa, Eurasia, and North America. It is edible, given correct identification.

Fistulina hepatica, commonly known as the beefsteak fungus, beefsteak polypore, poor man's steak, ox tongue, or tongue mushroom, is a bracket fungus classified in the Agaricales. As its common names suggest, it visually resembles a slab of meat. The species can be found in Europe, Africa, Australia, and North America. It is edible when cooked, although older specimens may need special preparation.

Clathrus ruber is a species of fungus in the family Phallaceae, and the type species of the genus Clathrus. It is commonly known as the latticed stinkhorn, the basket stinkhorn, or the red cage, alluding to the striking fruit bodies that are shaped somewhat like a round or oval hollow sphere with interlaced or latticed branches. The species was illustrated in the scientific literature during the 16th century, but was not officially described until 1729. The fruit body initially appears like a whitish "egg" attached to the ground at the base by cords called rhizomorphs. The egg has a delicate,

Lycoperdon is a genus of puffball mushrooms. The genus has a widespread distribution and contains about 50 species. In general, it contains the smaller species such as the pear-shaped puffball and the gem-studded puffball. It was formerly classified within the now-obsolete order Lycoperdales, as the type genus which, following a restructuring of fungal taxonomy brought about by molecular phylogeny, has been split. Lycoperdon is now placed in the family Agaricaceae of the order Agaricales. The scientific name has been created with Greek words (lycos meaning wolf and perdomai meaning to fart)

Botrytis cinerea is a necrotrophic (feeding on dead tissue) fungus that affects many plant species, including wine grapes. In viticulture, it is commonly known as "botrytis bunch rot"; in horticulture, it is usually called "grey mould" or "gray mold". The fungus gives rise to two different kinds of infections on grapes. The first, grey rot, is the result of consistently wet or humid conditions, and typically results in the loss of the affected bunches. The second, noble rot, occurs when drier conditions follow wetter, and can result in distinctive sweet dessert wines, such as Sauternes, the

Scleroderma citrinum, commonly known as the common earthball, pigskin poison puffball, or common earth ball, is a species of earthball fungus.

Puccinia is a genus of fungi. All species in this genus are obligate plant pathogens and are known as rusts. The genus contains about 4000 species. The genus name of Puccinia is in honour of Tommaso Puccini (died 1735), who was an Italian doctor and botanist who taught anatomy at Hospital of Santa Maria Nuova in Florence. The genus was circumscribed by Pier Antonio Micheli in Nov. Pl. Gen. on page 213 in 1729.

Lycoperdon excipuliforme, commonly known as the pestle puffball or long-stemmed puffball, is a species of the family Lycoperdaceae. A rather large puffball, it may reach dimensions of up to 15 cm (5.9 in) broad by 25 cm (9.8 in) tall. Widespread in northern temperate zones, it is found frequently on pastures and sandy heaths.

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Scleroderma verrucosum is a basidiomycete fungus and a member of the genus Scleroderma, or "earth balls". First described scientifically in 1791, the species has a cosmopolitan distribution, and grows in the ground in nutrient-rich, sandy soils.

Scleroderma is a genus of fungi, commonly known as earth balls, now known to belong to the Boletales order, in suborder Sclerodermatineae. The best known species are S. citrinum and S. verrucosum. They are found worldwide. Various members of this genus are used as inoculation symbionts to colonize and promote the growth of tree seedlings in nurseries. The majority of species are not edible. The name comes from the Greek sclera meaning hard and derma meaning skin.

Cyathus olla also known as the field bird's nest is a species of saprobic fungus in the genus Cyathus of the family Nidulariaceae. The fruit bodies resemble tiny bird's nests filled with "eggs" – spore-containing structures called peridioles. Like other bird's nest fungi, C. olla relies on the force of falling water to dislodge peridioles from fruiting bodies to eject and disperse their spores. The life cycle of this fungus allows it to reproduce both sexually, with meiosis, and asexually via spores. It is a relatively common fungus, with a worldwide distribution. The species is the subject

Geastrum pectinatum is a species of fungus in the earthstar family. It is commonly known as the beaked earthstar or the beret earthstar, in reference to the shape of the spore sac and its prominent, protruding peristome. Although young specimens are spherical, fruit body development involves the outer layer of tissue splitting open like a star into 7 to 10 pointed rays that eventually bend back to point downward, revealing a small spore sac, 1 to 2.5 cm (1⁄2 to 1 in) broad. The spore sac is supported by a small radially wrinkled stalk. There is a distinct conical opening (peristome) at the

Lycoperdon mammiforme is a rare, inedible type of puffball mushroom in the genus Lycoperdon, found in deciduous forest on chalk soil. It is found in Europe. The fruit body is spherical to pear shaped, at first pure white with slightly grainy inner skin and an outer skin which disintegrates in flakes that are soon shed, later ochre, chocolate-brown when old, up to 7 cm (2.8 in) in diameter.

Battarrea phalloides is a species of mushroom in the family Agaricaceae, and the type species of the genus Battarrea. Its common names include the scaley-stalked puffball, sandy stiltball, and desert stalked puffball. The European B. stevenii is a potential synonym. B. phalloides has a woody, slender, and shaggy or scaly stem that is typically up to 40 centimeters (15.7 in) in length. Although its general appearance resembles an agaric with stem and gills, atop the stem is a spore sac, consisting of a peridium and a powdery internal gleba. In maturity, the spore sac ruptures to release the

Daedalea is a genus of fungi in the family Fomitopsidaceae. The genus was circumscribed in 1801 by mycologist Christian Hendrik Persoon, based on the type D. quercina and four other species. The generic name is derived from the Ancient Greek δαιδαλεος ("curiously wrought").

Battarrea is a genus of mushroom-producing fungi. The genus used to be classified in the family Tulostomaceae until molecular phylogenetics revealed its affinity to the Agaricaceae. Species of Battarrea have a peridium (spore sac) that rests atop an elongated, hollow stipe with a surface that tends to become torn into fibrous scales. Inside the peridium, the gleba consists of spherical, warted spores, and a capillitium of simple or branched hyphal threads that have spiral or angular thickenings. The genus is named after Italian priest and mycologist Giovanni Antonio Battarra.

Scleroderma polyrhizum, commonly known as the star earthball or dead man's hand, is a basidiomycete fungus and a member of the genus Scleroderma, or "earthballs". Found in dry, sandy soils, this species begins completely buried before slowly forcing the soil aside as it cracks apart to form a rough, star-shaped body with a diameter of 12–15 cm (4.7–5.9 in). At the center is the dark, brownish spore mass. Widely distributed wherever the soil and climate are favorable, it is known from Eurasia and the Americas. The species contains toxins which, if ingested, cause serious gastric upset.

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Puccinia menthae is a fungal plant pathogen that causes rust on mint plants. It was originally found on the leaves of Mentha aquatica.

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Scleroderma cepa, commonly known as the smooth earthball or onion earthball, is a species of gasteroid fungus up to 6 centimetres (2+1⁄4 in) in width. It has a worldwide distribution and is poisonous.

Geastrum coronatum is an inedible species of mushroom belonging to the genus Geastrum, or earthstar fungi. Christian Hendrik Persoon published the first description of Geastrum coronatum in 1801.

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Uredo is a genus of rust fungi: long considered incertae sedis in the order Pucciniales, but now placed in the family Pucciniaceae. This long-established genus, together with the closely related Uromyces (which some authorities consider to be synonymous), give their names to "uredo-type" fungal spore structures such as "urediniospore" and uredinium".