Henri François Anne de Roussel (11 July 1748 in Saint-Bômer-les-Forges – 17 February 1812 in

Caen Caen (; ; ) is a Communes of France, commune inland from the northwestern coast of France. It is the Prefectures in France, prefecture of the Departments of France, department of Calvados (department), Calvados. The city proper has 105,512 inha ...

) was a French

naturalist Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

. He studied humanities and philosophy at the

University of Caen The University of Caen Normandy (French: ''Université de Caen Normandie''), also known as Unicaen, is a public university in Caen, France. History The institution was founded in 1432 by John of Lancaster, 1st Duke of Bedford, the first rector ...

, obtaining the rank of "maître ès-arts" in 1767. Afterwards he studied medicine in Caen, relocating to

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

in 1771, where he furthered his education. In 1773 he was appointed to the chair of medicine at

, where in 1786, he attained the chair of medical botany. Later on, he served as a professor of

experimental physics Experimental physics is the category of disciplines and sub-disciplines in the field of physics that are concerned with the observation of physical phenomena and experiments. Methods vary from discipline to discipline, from simple experiments and o ...

and

chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...

at the ''École centrale du Calvados''. N5822778 JPEG 2 2DM

Principal works

* ''Tableau des plantes usuelles rangées par ordre : suivant les rapports de leurs principes et de leurs propriétés'', 1792 - Table of conventional plants, arranged in order according to reports of their principles and properties. * ''Flore du Calvados et terreins adjacents'', 1796 - Flora of

Calvados Calvados (, , ) is a brandy from Normandy in France, made from apples and/or pears. History In France Apple orchards and brewers are mentioned as far back as the 8th century by Charlemagne. The first known record of Norman distillation was ma ...

and adjacent areas. * ''Élémens de chymie et de physique expérimentale : à l'usage des Écoles centrales de Calvados'', 1798 - Elements of chemistry and experimental physics, as utilized at the ''Écoles centrales du Calvados''.

Taxa

* '' Gymnopus'' (Persoon) Roussel, 1806 (family

Marasmiaceae The Marasmiaceae are a family (biology), family of fungi in the order (biology), order Agaricales. Basidiocarps (fruit bodies) are most frequently agarics (gilled mushrooms), but occasionally cyphelloid (in the genus ''Cellypha''). According to a ...

). * ''

Mycena ''Mycena'' is a genus of about 500 species of fungi. Rarely more than a few centimeters in width, the mushrooms are characterized by a small conical or bell-shaped cap and a thin fragile stem. Most are grey or brown, but a few species have brigh ...

'' (Persoon) Roussel, 1806 (family

Mycenaceae The Mycenaceae are a family of fungi in the order Agaricales. According to the ''Dictionary of the Fungi'' (10th edition, 2008), the family contains 10 genera and 705 species. This is one of several families that were separated from the Tricholo ...

).GBIF
Mycena (Persoon) Roussel, 1806

References

{{DEFAULTSORT:Roussel, Henri Francois Anne de 1748 births 1812 deaths Academic staff of the University of Caen Normandy University of Caen Normandy alumni People from Orne French naturalists French mycologists 19th-century French botanists 18th-century French botanists