Ana María Millanes Romero

Phaeotremella foliacea (synonym Tremella foliacea) is a species of fungus in the family Phaeotremellaceae. In the UK it has the recommended English name leafy brain and has also been called jelly leaf and brown witch's butter. It produces brownish, frondose, gelatinous basidiocarps (fruit bodies) and is parasitic on the mycelium of Stereum sanguinolentum, a fungus that grows on dead attached and recently fallen branches of conifers. It is widespread in north temperate regions.

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Phaeotremella mycophaga is a species of fungus in the family Phaeotremellaceae. It produces small, pustular, gelatinous basidiocarps (fruit bodies) on the hymenium of the corticioid fungi Aleurodiscus amorphus and A. grantii on conifers.

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Naematelia aurantialba (synonym Tremella aurantialba) is a species of fungus producing yellow, frondose, gelatinous basidiocarps (fruit bodies) parasitic on fruit bodies of another fungus, Stereum hirsutum, on broadleaf trees. In China, where it is called jīn'ěr (金耳; literally "golden ear"), it is cultivated for both food and medical purposes.

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Tremella cetrariellae is a lichenicolous fungus (a fungus that lives on lichens) in the family Tremellaceae. It is a parasitic fungus that grows exclusively on a ground-dwelling Arctic and alpine lichen called Cetrariella delisei, creating small brown or blackish swellings on the lichen's surface. The fungus was formally described in 2015 when researchers used DNA analysis to distinguish it from a closely related species, revealing that what had previously been treated as a single taxon actually comprised two distinct but morphologically similar species. Its distribution is restricted to

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Crittendenia is a genus of lichenicolous (lichen-dwelling) fungi in the monogeneric family Crittendeniaceae. The genus was circumscribed in 2021 to contain two species, C. lichenicola, and the type, C. coppinsii; these species were previously classified in the genus Chionosphaera. An additional 16 species were added to the genus the following year. The genus name honours British lichenologist Peter Crittenden. Characteristics of Crittendenia include the tiny synnemata-like basidiomata, clamp connections, and aseptate tubular basidia from which 4–7 spores discharge passively, often in groups.

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Crittendenia is a genus of lichenicolous (lichen-dwelling) fungi in the monogeneric family Crittendeniaceae. The genus was circumscribed in 2021 to contain two species, C. lichenicola, and the type, C. coppinsii; these species were previously classified in the genus Chionosphaera. An additional 16 species were added to the genus the following year. The genus name honours British lichenologist Peter Crittenden. Characteristics of Crittendenia include the tiny synnemata-like basidiomata, clamp connections, and aseptate tubular basidia from which 4–7 spores discharge passively, often in groups.

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