Johann Friedrich Gmelin

Tubifera ferruginosa, more commonly known as raspberry slime mold or red raspberry slime mold, is a species of slime mold in the class Myxogastria. It is one of the most widely known and distinct slime molds, being found throughout temperate regions of the world, primarily in Europe and North America.

Tubifera is a genus of slime moulds from the class Myxogastria. The genus comprises 12 species.

Aecidium is a genus of rust fungi in the order Pucciniales. The widespread genus was estimated to contain about 600 species in 2008. As of 27 August 2023, the GBIF lists up to 947 species, while Species Fungorum lists about 816 species (out of 1251 records). About 800 species are accepted by Wijayawardene et al. 2020.

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Trichaptum abietinum is a species of poroid fungus in the order Hymenochaetales. It is saprophytic, growing from dead conifer wood. The white-gray cap is 1–4 cm wide and usually no more than 0.5 cm thick, shelved and fanlike, with brownish and leathery flesh. The spores are white, cylindrical, and smooth. The species is inedible. Similar species include Trichaptum biforme, Bjerkandera adusta, and Trametes versicolor.

Cantharellula umbonata, the humpback, is a species of fungus in the genus Cantharellula. The gray cap is slightly convex and 2–5 centimetres (3⁄4–2 in) wide. The gills are decurrent and mostly forked. The stem is up to 8 cm (3+1⁄4 in) wide. The flesh is whitish and may stain reddish. The smell and taste are often mild. The spore print is white. Hygrophoropsis aurantiaca has forked (but orange) gills. It is common in eastern North America, particularly in summer and autumn. It is associated with Polytrichum and other mosses found in the southeastern United States. It commonly grows in boggy

Microglossum viride is a species of fungus in the family Leotiaceae. It is commonly called green earth tongue.

Albugo candida, commonly known as white rust or white blister rust, is an obligate plant pathogen in the family Albuginaceae that infects Brassicaceae species. (Although called a "rust" and a fungus, it is an oomycete.) It has a relatively smaller genome than other oomycetes.

Tolypocladium ophioglossoides, also known by two of its better known synonyms Elaphocordyceps ophioglossoides and Cordyceps ophioglossoides and commonly known as the goldenthread cordyceps, is a species of fungus in the family Ophiocordycipitaceae. It is parasitic on fruit bodies of the truffle-like Elaphomyces. The species is considered inedible, but is valued in traditional Chinese medicine.

Steccherinum ochraceum, known as ochre spreading tooth, is a hydnoid fungus of the family Steccherinaceae. It was originally described as Hydnum ochraceum by Johann Friedrich Gmelin in 1792, and later transferred to the genus Steccherinum by Samuel Frederick Gray in 1821. It is a plant pathogen infecting sweetgum trees. It can be found throughout North America and in Nepal.

Scleroderma polyrhizum, commonly known as the star earthball or dead man's hand, is a basidiomycete fungus and a member of the genus Scleroderma, or "earthballs". Found in dry, sandy soils, this species begins completely buried before slowly forcing the soil aside as it cracks apart to form a rough, star-shaped body with a diameter of 12–15 cm (4.7–5.9 in). At the center is the dark, brownish spore mass. Widely distributed wherever the soil and climate are favorable, it is known from Eurasia and the Americas. The species contains toxins which, if ingested, cause serious gastric upset.

Trichia varia is a type of slime mold in the order Trichiida, first described by Johann Friedrich Gmelin in 1794. Its sporangium measures 0.6 to 0.9 millimeters, and its stalk 0.1 to 0.5 millimeters. It is a pale orange color, distinguished by other members of its genus by having two spiral bands on its elaters. It is distributed throughout various parts of the world.

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Comatricha nigra is a widespread species of slime molds in the family Amaurochaetaceae. It grows on decayed wood on the forest floor. The sporangium reaches a total height of 2–8 mm, while the black, hair-like stalk is usually two to six times the length of the sporangium. The color of the sporangium varies as a function of its stage of development, from translucent white, to pink, bright red, and eventually black.

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