Fungi named in 1984

Amanita ceciliae, commonly called snakeskin grisette, strangulated amanita, and the Cecilia's ringless amanita, is a basidiomycete fungus in the genus Amanita. First described in 1854 by Miles Joseph Berkeley and Christopher Edmund Broome, it was given its current name by Cornelis Bas in 1984. It is characterized by bearing a large fruit body with a brown cap 5–12 cm (2.0–4.7 in) across. The cap has charcoal-grey patches, which are easily removable. The stipe is 7–18 cm (2.8–7.1 in) long, white in colour, and there is no ring on it. It is slightly tapered to the top and has irregular cottony

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Saccharomyces boulardii is a yeast first isolated in 1923 from lychee (Litchi chinensis) and mangosteen (Garcinia mangostana) fruit peels by the French scientist Henri Boulard. Early reports described S. boulardii as a distinct species with unique taxonomic, metabolic, and genetic characteristics; however, subsequent genomic analyses have shown that it is not a separate species but a lineage of Saccharomyces cerevisiae, sharing greater than 99% genomic sequence identity with other S. cerevisiae strains. As a result, it is often referred to as S. cerevisiae var. boulardii. S. boulardii is used

Melanophyllum haematospermum, commonly known as the red-spored dapperling, is a species of mushroom in the genus Melanophyllum.

Wolfiporia extensa (syn. Poria cocos F.A.Wolf), commonly known as hoelen, poria, tuckahoe, China root, fu ling (茯苓, pīnyīn: fúlíng), or matsuhodo, is a species of fungus in the family Polyporaceae. It is a wood-decay fungus but has a subterranean growth habit. It notably develops a large, long-lasting underground sclerotium resembling a small coconut.

Rhizocarpaceae is a family of lichen-forming fungi; together with the family Sporastatiaceae it constitutes the order Rhizocarpales in the Ascomycota, class Lecanoromycetes. These lichens are primarily rock-dwellers that form thin, paint-like crusts tightly attached to stone surfaces, though some species grow as small scales or radiating rosettes. The family includes five genera found mainly in cool to cold regions around the world, where they colonize exposed siliceous and basic rocks in sunny locations. Most species reproduce through small black disc-shaped fruiting bodies that sit flush

Phlebia tremellosa (formerly Merulius tremellosus), commonly known as trembling Merulius or jelly rot, is a species of fungus in the family Meruliaceae. It is a common and widely distributed wood-decay fungus that grows on the rotting wood of both hardwood and conifer plants.

Hypsizygus ulmarius, also known as the elm oyster mushroom, and less commonly as the elm leech. It has often been confused with oyster mushrooms in the Pleurotus genus but can be differentiated easily as the gills are either not decurrent or not deeply decurrent. While not quite as common as true oyster mushrooms, they have a wide range globally in temperate forests. It is an edible species. The mushrooms and vegetative hyphae of this species have been studied in recent years for their potential benefits to human health, and mycoremediation.

Bondarzewia mesenterica (synonym: Bondarzewia montana) is a species of polypore fungus in the family Bondarzewiaceae.

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Debaryomyces hansenii, also known as Candida famata, is a species of yeast in the family Saccharomycetaceae.

Arrhenia spathulata is a mushroom-forming fungus in the family Hygrophoraceae. Found in Europe, it is widespread along the Atlantic coast.

Amanita jacksonii, also known as Jackson's slender amanita, American slender Caesar, and eastern Caesar's amanita, is a North American species of fungus in the family Amanitaceae. It is a reddish-orange colored mushroom species which can be identified by its yellow gills, large, white, sacklike volva.

Phellinidium is a genus of fungi in the family Hymenochaetaceae. The genus, circumscribed in 1984, contains three species found in Europe.

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Inonotus dryophilus is a plant pathogen.

Inocutis is a genus of nine species of polypore fungi in the family Hymenochaetaceae.

Hortaea werneckii is a species of yeast in the family Teratosphaeriaceae. It is a black yeast that is investigated for its remarkable halotolerance. While the addition of salt to the medium is not required for its cultivation, H. werneckii can grow in close to saturated NaCl solutions. To emphasize this unusually wide adaptability, and to distinguish H. werneckii from other halotolerant fungi, which have lower maximum salinity limits, some authors describe H. werneckii as "extremely halotolerant". Several salt-tolerance mechanisms of H. werneckii have been studied on molecular level. For

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Arrhenia lobata is a species of agaric fungus in the family Hygrophoraceae. It is found in the Iberian Peninsula and central Europe, and North America. It associates with mosses and may have a parasitic relationship with them.

Wolfiporia is a genus of fungi in the family Polyporaceae. The genus was circumscribed by Leif Ryvarden and Robert Lee Gilbertson in 1984 to contain the type species Wolfiporia cocos (now known as Wolfiporia extensa) and W. dilatohypha. The genus is named in honor of mycologist Frederick Adolph Wolf, who was the first to officially describe the type species.

Veloporphyrellus is a genus of fungi in the family Boletaceae. Species are characterized by having a pinkish to pinkish-gray hymenophore, a membrane-like partial veil that hangs from the cap margin, smooth spores, and a trichoderm-like cap cuticle.

Tricholoma fracticum is a sturdy mushroom of the agaric genus Tricholoma with a red-brown cap and a harshly bitter taste. It is mycorrhizal with conifers, primarily of the genus Pinus, and can be found in California.

The Tephromelataceae are a family of lichenized fungi in the order Lecanorales. The family was circumscribed by Austrian lichenologist Josef Hafellner in 1984. Tephromelataceae comprises the genera Tephromela, Calvitimela, Mycoblastus and Violella, which together constitute a well-supported monophyletic group.

Skeletocutis odora is a species of fungus belonging to the family Incrustoporiaceae. Synonyms: Polyporus odorus Peck, 1885

Sarcoscypha dudleyi, commonly known as the crimson cup or the scarlet cup, is a species of fungus in the family Sarcoscyphaceae of the order Pezizales. It has been frequently confused with Sarcoscypha coccinea, but can be distinguished from this and other related species in Sarcoscypha by differences in microscopic characteristics, such as the presence and number of oil droplets in the spores. An imperfect form of the fungus, lacking a sexually reproductive stage in its life cycle, is classified as the species Molliardiomyces dudleyi. In addition to its main distribution in the central to

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Phellinidium ferrugineofuscum is a species of fungus belonging to the family Hymenochaetaceae. It has been found growing on Abies sibirica. It is native to Eurasia and Northern America.

The Tephromelataceae are a family of lichenized fungi in the order Lecanorales. The family was circumscribed by Austrian lichenologist Josef Hafellner in 1984. Tephromelataceae comprises the genera Tephromela, Calvitimela, Mycoblastus and Violella, which together constitute a well-supported monophyletic group.