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A truffle is the fruiting body of a subterranean ascomycete fungus, predominantly one of the many species of the genus Tuber. In addition to Tuber, over one hundred other genera of fungi are classified as truffles including Geopora, Peziza, Choiromyces, and Leucangium. These genera belong to the class Pezizomycetes and the Pezizales order. Several truffle-like basidiomycetes are excluded from Pezizales, including Rhizopogon and Glomus. Truffles are ectomycorrhizal fungi, so they are usually found in close association with tree roots. Spore dispersal is accomplished through fungivores, animals that eat fungi. These fungi have significant ecological roles in nutrient cycling and drought tolerance.
The Albatrellaceae are a family of fungi in the order Russulales. The family contains 9 genera and more than 45 species.
Rhizopogonaceae are a family of fungi in the order Boletales. The family, first named and described by botanists Ernst Albert Gäumann and Carroll William Dodge in 1928, contains 2 genera and 151 species. The genus Fevansia, formerly thought to belong in the Rhizopogonaceae, was found to belong in the Albatrellaceae in a molecular phylogenetics study.
Royoungia is a fungal genus in the family Boletaceae. This genus is represented by the type species Royoungia boletoides, which was found in Australia. In 2016, 5 more species were found in China.
Horakiella is a genus of fungi within the Sclerodermataceae family that contains the two species H.clelandii and H. watarrkana.
Fevansia is a fungal genus in the family Albatrellaceae. A monotypic genus, it contains the single rare truffle-like species Fevansia aurantiaca, found in old-growth forests of Oregon. The name Fevansia honors Frank Evans of the North American Truffling Society, who collected the holotype specimen. Aurantiaca is Latin for "pale orange", referring to the color of the peridium.
Zelleromyces is a genus of fungi in the family Russulaceae. It was first described by mycologists Rolf Singer and Alexander H. Smith in 1960 to contain hypogeous (underground) fungi with gasteroid fruit bodies that "bleed" latex when they are cut.
Austropaxillus is a genus of fungi in the family Serpulaceae, containing nine species found in Australia, New Zealand and South America.
Gymnopaxillus is a genus of fungi in the family Serpulaceae. According to the Dictionary of the Fungi, the family contains four species found in temperate South America and Australia. Gymnopaxillus was circumscribed by mycologist Egon Horak in 1966 with G. morchelliformis as the type species. G. crubensis, described from Argentina, was added in 1989, while the Australasian species G. nudus and G. vestitus were added to the genus in 2001.
Trappea is a genus of truffle-like fungi in the Trappeaceae family. Species of Trappea have been found in China, Europe, and North America.
Mycoamaranthus is a genus of fungi in the family Boletaceae. The genus contains three species, found in Australasia, Africa, and Southeast Asia.
Octaviania is a genus of truffle-like fungi in the family Boletaceae. The widespread genus is estimated to contain 15 species.
Reddellomyces is a genus of truffle-like fungi in the Tuberaceae family. The genus, circumscribed in 1992, contains four species found in Australasia and the Mediterranean.
Andebbia is a fungal genus in the family Mesophelliaceae. The genus is monotypic, containing the single truffle-like species Andebbia pachythrix, found in Australia.
Chondrogaster is a genus of truffle-like fungi in the Mesophelliaceae family. The genus, described by French mycologist René Maire in 1926, contains two species, the type Chondrogaster pachysporus, and Chondrogaster angustisporus, described in 2000. Collectively, Chondrogaster is found in Mauritania, Brazil, and Europe.
Fischerula is a genus of two truffle-like fungi in the family Morchellaceae. First described from central Italy by Oreste Mattirolo in 1928, the genus name honors Swiss mycologist Eduard Fischer. The type species Fischerula macrospora is known only from Italy, while Fischerula subcaulis is found in coniferous and mixed forests of Oregon and Washington.
Imaia is a fungal genus in the family Morchellaceae found in Japan, and in the Appalachian Mountains of the US. A monotypic genus, Imaia was circumscribed in 2008 by James Martin Trappe and Gábor M. Kovácsto to contain the truffle-like species formerly known as Terfezia gigantea when molecular analysis demonstrated that its DNA sequences were markedly different from those of Terfezia. The fruit bodies of Imaia gigantea are spherical to roughly elliptical to irregular in shape, brown, and usually develop cracks in age. The interior gleba comprises brown pockets of asci separated by white veins. The spores are spherical or nearly so, up to 70 µm long, and enclosed by a thick epispore.
Kjeldsenia is a fungal genus in the family Claustulaceae. It contains the single truffle-like species Kjeldsenia aureispora, described in 1995 and found in Mendocino County, California. The genus name honors C.K. Kjeldsen, professor of botany at Sonoma State University, while the specific epithet aureispora refers to the color of the spores when they are viewed in transmitted light.
James Martin Trappe is a mycologist and expert in the field of North American truffle species. He has authored or co-authored 450 scientific papers and written three books on the subject. MycoBank lists him as either author or co-author of 401 individual species, and over the course of his career he has helped guide research on mycorrhizal fungi, and reshaped truffle taxonomy: establishing a new order, two new families, and 40 individual genera.
Carbomyces emergens is a desert truffle in the genus Carbomyces, a small genus common to the Chihuahuan desert in the southwestern United States and Mexico. C. emergens is regarded as the most common and widely distributed species in Carbomyces, also serving as the genus' type species. C. emergens belongs to the Carbomycetaceae family, in the order Pezizales, class Pezizomycetes, division Ascomycota.
References
- ↑ Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CABI. p. 400. ISBN 978-0-85199-826-8.
- 1 2 Trappe JM, Castellano MA, Trappe MJ (1992). "Australasian truffle-like fungi. IV. Malajczukia gen. nov. (Basidiomycotina, Mesophelliaceae)". Australian Systematic Botany. 5 (5): 617–30. doi:10.1071/SB9920617.
- ↑ Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names](pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8 . Retrieved January 27, 2022.
