Calvin Henry Kauffman

Hygrophorus russula, commonly known as the pinkmottle woodwax, false russula, or russula-like waxy cap, is a species of fungus native to the Northern Hemisphere.

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Clavaria maricola is a species of coral fungus in the family Clavariaceae. It was first formally described as a new species by American mycologist Calvin Henry Kauffman in 1928. The type was collected by Kauffman from the Rogue River–Siskiyou National Forest in Takilma, Oregon. The fruit body is orange-yellow, reaching heights of 7–10 cm (2.8–3.9 in) with a thickness of 2–6 mm. He noted that the fungus grew on the needle beds of Pinus ponderosa, where it was mostly attached to male pine cones, but rarely to the needles. The species name derives from the roots mas ("male"), and colo ("I

Clavaria globospora is a species of coral fungus in the family Clavariaceae. It was first formally described as a new species by American mycologist Calvin Henry Kauffman in 1928. The type was collected by Kauffman at Lake Quinault in Washington. The fruit body is cream-buff, reaching heights of 6–8 cm (2.4–3.1 in) with a thickness of 1.5–2 mm. He noted that the fungus grew on very rotten conifer wood in swampy forest. The species name globospora derives from its spherical ("globose") spores, which measure 5–6 μm.

Gomphidius subroseus, commonly known as the rosy gomphidius and rosy slimespike, is a species of gilled mushroom.

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Cortinarius clandestinus is a species of fungus in the Cortinariaceae family. It was first described in 1932 by Calvin Henry Kauffman from a specimen collected amongst moss under Douglas firs and hemlock at Lake Cushman, Washington. Kauffman states that it is found in the states of New York, Colorado and Washington. The cap is golden brown and dry, with dark brown fibrillose scales. The flesh is yellowish (darker when fresh) and fairly fragile. It has an odour resembling radish. The gills are close and yellowish. The stem is equal or somewhat clavate, with yellowish veil fibrils and perhaps a

Amanita silvicola, also known as the woodland amanita or Kauffman's forest amanita, is a species of Amanita. It forms a small to medium-sized white mushroom. The cap is 5–12 cm across and is pure white, convex to flat, often with an incurved margin. The cap is initially covered in a wooly outer veil that later leaves soft patchy remnants across its surface as it flattens. The stem is patched with volva remains, and is slightly larger at its base. The gills are white, close and crowded, and free, just reaching the stem, or to narrowly adnate. The flesh does not change colour when bruised or

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Hebeloma avellaneum is a species of mushroom in the family Hymenogastraceae.

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Cortinarius substriatus is a species of mushroom in the family Cortinariaceae. It is found in the Pacific Northwest.

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