Machiel Noordeloos is a Dutch mycologist. He is known for his contributions to the taxonomy

Taxonomy

Taxonomy is the science of identifying and naming species, and arranging them into a classification. The field of taxonomy, sometimes referred to as "biological taxonomy", revolves around the description and use of taxonomic units, known as taxa...

 of European mushroom

Mushroom

A mushroom is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. The standard for the name "mushroom" is the cultivated white button mushroom, Agaricus bisporus; hence the word "mushroom" is most often applied to those fungi that...

s and especially his expertise on the genus Entoloma

Entoloma

Entoloma is a large genus of terrestrial pink-gilled mushrooms, with about 1000 species. They have a drab appearance, pink gills which are attached to the stem, a smooth thick cap, and angular spores. Most entolomas are saprobic...

. Noordeloos is an assistant professor at the Nationaal Herbarium Nederland, and has served as the editor of the mycological journals Persoonia since 1991 and Coolia since 1976. He is currently (2011) the editor in chief

Editor in chief

An editor-in-chief is a publication's primary editor, having final responsibility for the operations and policies. Additionally, the editor-in-chief is held accountable for delegating tasks to staff members as well as keeping up with the time it takes them to complete their task...

 of Persoonia. He was the recipient of the Clusius Prize awarded by the Hungarian Mycological Society in 2009.

Eponymous taxa

• Entoloma noordeloosi Hauskn.
• Entoloma machieli A. De Meijer