James Martin Trappe

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Acaulospora is a genus of fungi in the family Acaulosporaceae. Species in this genus are widespread in distribution, and form arbuscular mycorrhiza and vesicles in roots.

Horakiella is a genus of fungi within the Sclerodermataceae family that contains the two species H. clelandii and H. watarrkana. The genus name of Horakiella is in honour of Egon Horak (born 1937), an Austrian mycologist. The genus was circumscribed in 1992 by Michael A. Castellano and James Martin Trappe in Austral. Syst. Bot., vol.5, on page 641.

Cortinarius vanduzerensis is a species of fungus described as new to science in 1972. The fruit bodies of the fungus, or mushrooms, have a slimy dark chestnut-brown cap that becomes deeply radially grooved or corrugated in maturity, and reaches diameters of up to 8 cm (3+1⁄8 in). The gills on the underside of the cap are initially pinkish-buff before becoming pale brown when the spores mature. The stem is lavender, measuring 10–18 cm (4–7 in) long and 1–2 cm (3⁄8–3⁄4 in) thick. The mushroom produces a rusty-brown spore print, with individual spores measuring 12–14 by 7–8 μm. The edibility of

Cazia is a genus of fungi within the Pezizaceae family.

Amylascus is a genus of truffle-like fungi in the Pezizaceae family. The genus, which contains two species found in Australasia, was circumscribed by mycologist James Trappe in 1971.

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Russula agaricina is a fungus in the family, Russulaceae. It was first described in 1876 as Macowania agaricina by Károly Kalchbrenner, and in 2007, based on phylogenetic evidence was transferred to the genus, Russula, by Teresa Lebel and Jennifer Tonkin (but invalidly published). The name, Russula agaricina was validly published in 2018 by James Trappe and Todd Elliott.

Mycoamaranthus is a genus of fungi in the family Boletaceae. The genus contains three species, found in Australasia, Africa, and Southeast Asia. The genus was circumscribed by Michael Angelo Castellano, James 'Jim' Martin Trappe and Nicholas Malajczuk in Austral. Syst. Bot. vol.5 (5) on page 613 1992. The genus name of Mycoamaranthus is in honour of Michael P. Amaranthus (fl. 1996–2012), who was an American botanist (mycology) and research biologist. He worked at the Forestry Sciences Laboratory in Seattle.

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Gummivena is a fungal genus in the Mesophelliaceae family. The genus is monotypic, containing the single truffle-like species Gummivena potorooi, found in Western Australia. Described as new to science in 2002, Gummivena is intermediate in form between Castoreum and Gummiglobus, and has a gleba with "veins" of gummy tissue and a three-layered peridium. The specific epithet potorooi refers the fact that the fungus is found only in the range of the rare and endangered species Gilbert's potoroo (Potorous gilbertii).

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Dingleya is a genus of truffles in the Tuberaceae family. The genus contains seven species found in Australia. Circumscribed by James Trappe in 1979, the genus is named after New Zealand mycologist Joan Dingley.

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Acaulospora tuberculata is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots. Found growing in forest soil in Panama, the species was described as new to science in 1982.

Acaulospora spinosa is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots.

Acaulospora scrobiculata is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots. Originally described in Mexico, it is found throughout the world.

Acaulospora laevis is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots.

Acaulospora foveata is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots. Found in Mexico in soil associated with sugarcane (Saccharum officinarum), the species was described as new to science in 1982.

Acaulospora elegans is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots.

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Tuber oregonense, commonly known as the Oregon white truffle, is a species of truffle in the genus Tuber. The species was described as new to science in 2010. The fruit bodies are roughly spherical to irregular in shape, and resemble small potatoes up to 5 cm (2 in) in diameter. Inside the truffle is the gleba, which is initially white before it becomes a marbled tan color. The large, often thick-walled, and strongly ornamented spores are produced in large spherical asci. The species is found on the western coast of North America, from northern California to southern British Columbia west of

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. The genus was circumscribed by Michael Angelo Castellano, James Martin 'Jim' Trappe and Nicholas Malajczuk in Austral. Syst. Bot. vol.5 (5) on page 614 in 1992. The genus name of Royoungia is in honour of Roy Young, who was a plant collector of subterranean growing fungi. In 1988 he joined an Expedition in Queensland, Australia. This genus is characterized by the boletoid or gasteroid basidiomata.

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.

Pisolithus hypogaeus is a fungus in the genus Pisolithus, occurring in coastal south-western Australia in association with eucalypt ectomycorrhizal hosts on sandy soils. DNA samples show that Pisolithus hypogaeus is a relative of other brown- and echinulate-spored Pisolithus species, and is most closely related to two undescribed epigeous Pisolithus species from Australia.

Kalapuya brunnea is a species of truffle in the monotypic fungal genus Kalapuya. The truffle occurs only in the Pacific Northwest region of the United States, in western Oregon and northern California. Known locally as the Oregon brown truffle, it was formerly thought to be an undescribed species of Leucangium until molecular analysis demonstrated that it was distinct from that genus. The truffle is reddish brown with a rough and warty outer skin, while the interior spore-producing gleba is initially whitish before developing greyish-brown mottling as it matures. Mature truffles have an odor

Kalaharituber is a fungal genus in the family Pezizaceae. It is a monotypic genus, whose single truffle-like species, Kalaharituber pfeilii, is found in the Kalahari Desert and other arid regions of Southern Africa.

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