Mushrooms
Watery woodwax
Watery woodwax, the name in the catalogue for Hygrophorus penarius, is a wild mycorrhizal waxcap of European broadleaf woods. Its name has been split since 2007, so older food records may refer to more than one species.

What it is
Watery woodwax is the English name the catalogue gives to Hygrophorus penarius, a waxcap-type gilled fungus. It is mycorrhizal and grows with broadleaf trees. A French identification sheet separates it from its look-alike mainly by its exclusive association with beech.
The French sheet gives the French vernacular name hygrophore comestible, meaning edible hygrophore, and lists Hygrophorus barbatulus as a synonym. The German red-list entry gives the German name Trockener Schneckling and lists the species as not endangered.
Taxonomy and older records
The name has been unstable. In 2007 the species was split, and Hygrophorus penarioides was separated from it. A 2019 Hungarian phylogenetic study confirmed the separation; of the specimens it examined, most belonged to H. penarioides and only three to H. penarius.
The catalogue notes that some older penarius records comprise distinct taxa. Any older edibility claim made under the name H. penarius may therefore refer to a mixed group of species.
Distribution
The sources checked place the species in Europe, North America and Japan. The catalogue's regional record is Europe only. The sources do not give a precise locality for a regional food record.
Food use and safety
The French identification sheet's edible name is the only edibility signal found for this species. The sources checked give no culinary method, no preparation, no cooking time and no safety detail.
Because the species was recently split and the name has been applied inconsistently, the edibility claim is weakly supported. Catalogue inclusion is not an edibility verdict. Anyone considering the fungus should confirm the identification with a local mycological society, and nothing on this page is an identification guide.
Places
Europe
Documented preparation · Region evidenceThe catalogue records Europe as the region of regional cooked-mushroom use. The sources checked name the species as European and do not describe a particular cooking tradition.
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Sources
MycocharentesReference · Safety
Fiche d'identification, Hygrophorus penariusVernacular name hygrophore comestible, synonym H. barbatulus
Separation from look-alike by exclusive association with beech
Rote Liste ZentrumReference
Rote Liste entry, Hygrophorus penariusGerman name Trockener Schneckling
Listed as not endangered
Hungarian Academy of Sciences repositoryReference · History
Hungarian phylogenetic study of Hygrophorus penarius and H. penarioides2019 study confirmed split of H. penarioides; three specimens belonged to H. penarius