Henri Romagnesi

Armillaria gallica (synonymous with A. bulbosa and A. lutea) is a species of honey mushroom in the family Physalacriaceae of the order Agaricales. The species is a common and ecologically important wood-decay fungus that can live as a saprobe, or as an opportunistic parasite in weakened tree hosts to cause root or butt rot. It is found in temperate regions of Asia, North America, and Europe. The species forms fruit bodies singly or in groups in soil or rotting wood. The fungus has been inadvertently introduced to South Africa. Armillaria gallica has had a confusing taxonomy, due in part to

Russula acrifolia is a species of mushroom. Its cap is coloured grey to blackish-grey; the cap becomes red when it is injured, but then turns blackish-gray. It is edible and described as having an acrid taste. It grows on rich soils.

Lactarius quieticolor is a member of the large milk-cap genus Lactarius in the order Russulales. It was first described scientifically by French mycologist Henri Romagnesi in 1958.

Russula alnetorum is a species of mushroom in the genus Russula. The fruiting bodies are found growing on the ground in the vicinity of alder trees with which this fungus has a symbiotic relationship. The cap is purple and the gills and stem white, darkening with age.

Lactarius fulvissimus is a species of fungus in the family Russulaceae. It was first described scientifically by Henri Romagnesi in 1954.

Russula medullata is a species of mushroom in the genus Russula. It was officially described by French mycologist Henri Romagnesi in 1997.

Russula amoenolens, also known by its common name camembert brittlegill, is a member of the genus Russula. The species has a greyish-brown cap, with clear scoring along the edge. While inedible, the mushroom is known for its distinctive smell like camembert cheese. The mushroom often appears under oak trees from summer to autumn.

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Russula illota is an inedible species of mushroom in the genus Russula. It is commonly found in deciduous and coniferous forests on chalk.

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Deconica inquilina is a species of mushroom in the family Strophariaceae. Formerly a member of the genus Psilocybe (well known for its psilocybin containing members), this species belonged to the non-blueing (non-hallucinogenic) clade and was consequently moved to Deconica in 2009.

Tricholoma ustaloides is a species of mushroom in the large genus Tricholoma. It has a widespread distribution in Europe, where it is typically found in association with oak and beech trees. Although generally considered inedible, it is consumed by some in Mexico.

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Russula fragrantissima, commonly known as the almond-scented russula, fragrant russula, or fetid russula, is a species of mushroom in the family Russulaceae. It is inedible and may be poisonous.

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Hebeloma vaccinum is a species of agaric fungus in the family Hymenogastraceae. It was described as new to science in 1965 by French mycologist Henri Romagnesi.

Hebeloma cylindrosporum is a species of mushroom-forming fungus in the genus Hebeloma and the family Hymenogastraceae. The mushroom is a Basidiomycota, which has many of the mushroom-forming fungi species. It was described as new to science in 1965 by French mycologist Henri Romagnesi.

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