Hydnum repandum, commonly known as the sweet tooth, wood hedgehog or hedgehog mushroom, is a basidiomycete fungus of the family Hydnaceae. First described by Carl Linnaeus in 1753, it is the type species of the genus Hydnum. The fungus produces fruit bodies (mushrooms) that are characterized by their spore-bearing structures—in the form of spines rather than gills—which hang down from the underside of the cap. The cap is dry, colored yellow to light orange to brown, and often develops an irregular shape, especially when it has grown closely crowded with adjacent fruit bodies. The mushroom tissue is white with a pleasant odor and a spicy or bitter taste. All parts of the mushroom stain orange with age or when bruised.
Hydnellum is a genus of tooth fungi in the family Bankeraceae. Widely distributed in the Northern Hemisphere, the genus contains around 40 species. The fruitbodies of its members grow by slowly enveloping nearby bits of grass and vegetation. There is great variability in the form of Hydnellum fruitbodies, which are greatly influenced by environmental conditions such as rainfall and humidity, drying winds, and temperature. They are too tough and woody to eat comfortably. Several species have become the focus of increasing conservation concern following widespread declines in abundance.
Phellodon is a genus of tooth fungi in the family Bankeraceae. Species have small- to medium-sized fruitbodies with white spines on the underside from which spores are released. All Phellodon have a short stalk or stipe, and so the genus falls into the group known as stipitate hydnoid fungi. The tough and leathery flesh usually has a pleasant, fragrant odor, and develops a cork-like texture when dry. Neighboring fruitbodies can fuse, sometimes producing large mats of joined caps. Phellodon species produce a white spore print, while the individual spores are roughly spherical to ellipsoid in shape, with spiny surfaces.
Sarcodon is a genus of fungi in the family Bankeraceae, which is part of the order Thelephorales, known for its almost universal ectomycorrhizal ecology. The genus owes its name to the presence of teeth-like spines on the hymenophore, from ancient Greek; sarco = flesh and odon = tooth. For this reason they are commonly called "tooth fungi", or "Hydnoid fungi".
Hydnellum fuscoindicum is a species of tooth fungus in the genus Hydnellum. It is found in the Pacific Northwest in moss around western hemlocks. It produces fruit bodies with a violet-black cap, violet flesh, and violet spines on the cap underside. The odor and taste are very farinaceous. The fungus was first described by Kenneth A. Harrison in 1964 as a species of Hydnum, then transferred to Sarcodon in 1967 by Rudolph Arnold Maas Geesteranus. He placed this species in section Violacei of Sarcodon, along with H. fuligineoviolaceum and H. joeides.
Sarcodon stereosarcinon is a species of tooth fungus in the family Bankeraceae. Found in North America, it was described as new to science in 1940 by mycologist Lewis Edgar Wehmeyer, who found the original collections in Nova Scotia, Canada.
Sarcodon bubalinus is a European species of tooth fungus in the family Bankeraceae. First described by Christian Hendrik Persoon in 1825 as Hydnum bubalinum, it was transferred to the genus Sarcodon by Rudolph Arnold Maas Geesteranus in 1956.
Sarcodon harrisonii is a species of tooth fungus in the family Bankeraceae. Found in the southeastern United States, it was described as new to science in 1985 by Richard Baird. The type collection was made near Asheville, North Carolina. The fruit body has a flattened cap up to 17 cm (6.7 in) wide with a leathery surface texture that is reddish brown to dark brown. Spores are more or less spherical, measuring 7–8 by 6–7.5 µm. S. harrisonii is similar in appearance to the Michigan species S. ustalis. The specific epithet honors Canadian mycologist Kenneth A. Harrison for his work on stipitate hydnums.
Sarcodon dissimulans is a species of tooth fungus in the family Bankeraceae. Found in Nova Scotia, Canada, it was described as new to science in 1984 by mycologist Kenneth A. Harrison. It is characterized as having an "extremely nauseating" taste. Its spores are roughly spherical to oblong, measuring 5–6 by 4–5 µm.
Sarcodon rimosus, commonly known as the cracked hydnum, is a species of tooth fungus in the family Bankeraceae. Found in the Pacific Northwest region of North America, it was described as new to science in 1964 by mycologist Kenneth A. Harrison, who initially called it Hydnum rimosum. He transferred it to the genus Sarcodon in 1984. Fruit bodies of S. rimosum have convex to somewhat depressed caps that are 4–12 cm (1.6–4.7 in) in diameter. The surface becomes scaly in age, often developing conspicuous cracks and fissures. It is brown with violet tints. The flesh lacks any significant taste and odor. Underneath the cap cuticle, the flesh turns a bluish-green color when tested with a solution of potassium hydroxide. The brownish-pinks spines on the cap underside are typically 2.5–7 mm long, extending decurrently on the stipe. Spores are roughly spherical with fine warts on the surface, and measure 5–6.5 by 4.5–5 µm. The hyphae do not have clamp connections.
Sarcodon lanuginosus is a species of tooth fungus in the family Bankeraceae. It was described as new to science in 1961 by mycologist Kenneth A. Harrison, who initially called it Hydnum lanuginosum. He transferred it to the genus Sarcodon in 1984. It is found in Nova Scotia, Canada, where it fruits on the ground singly or in groups under spruce and fir. The type collection was made in Cape Split, Kings County.
Sarcodon calvatus is a species of tooth fungus in the family Bankeraceae. It was described as new to science in 1964 by mycologist Kenneth A. Harrison, who initially called it Hydnum calvatum. He transferred it to the genus Sarcodon in 1984. It is found in North America.
Hydnellum martioflavum is a species of tooth fungus in the family Bankeraceae, found in Europe and North America.
Sarcodon wrightii is a species of tooth fungus in the family Bankeraceae. It was first described in 1860 by Miles Berkeley and Moses Ashley Curtis as Hydnum wrightii. They were sent a specimen collected from Japan as part of the North Pacific Exploring and Surveying Expedition (1853–56). Rudolph Arnold Maas Geesteranus transferred it to the genus Sarcodon in 1967. The fungus produces roughly spherical spores that are tuberculate and measure 5.5–6.5 by 4.5–5.5 μm.
Sarcodon thwaitesii is a species of tooth fungus in the family Bankeraceae. It is found in Asia, Europe, and New Zealand, where it fruits on the ground in mixed forest.
Sarcodon scabripes is a species of fungus in the family Bankeraceae found in Asia, Europe, and North America. It was originally described in 1897 as Hydnum scabripes by Charles Horton Peck. Howard James Banker transferred it to the genus Sarcodon in 1906. The fungus makes fruit bodies with a drab gray to flesh-colored cap, and flesh that is white. In addition to the United States, where it was first documented, S. scabripes has been reported from Japan and the Sverdlovsk Oblast region of Russia.
Kenneth A. Harrison was a Canadian mycologist. He was for many years a plant pathologist at what is now the Atlantic Food and Horticulture Research Centre in Nova Scotia. After retirement, he contributed to the taxonomy of the Agaricomycotina, particularly the tooth fungi of the families Hydnaceae and Bankeraceae, in which he described several new species.
Hydnellum versipelle is a species of tooth fungus in the family Bankeraceae. It was originally described by Elias Fries in 1861 as Hydnum versipelle. Taisiya Lvovna Nikolayeva transferred it to the genus Sarcodon in 1961. Hydnum crassum, published by Kenneth A. Harrison in 1961, is a synonym. The species is found in Europe and North America.
Sarcodon subfelleus is a species of tooth fungus in the family Bankeraceae. It was described as new to science in 1961 by mycologist Kenneth A. Harrison, who initially called it Hydnum subfelleum. He transferred it to the genus Sarcodon in 1984. It is found in Nova Scotia, Canada, where it fruits on the ground singly or in groups under spruce and fir. The type collection was made in Glenmont, Kings County.
Sarcodon ustalis is a species of tooth fungus in the family Bankeraceae. It was described as new to science in 1964 by mycologist Kenneth A. Harrison, who initially called it Hydnum ustalie. He transferred it to the genus Sarcodon in 1984. It is found in Michigan, where it fruits on the ground in groups under Jack Pine. The type was collected by Ingrid Bartelli in Marquette, Michigan.
