Hygrotrama Foetens is a species of mushroom that belongs to the family of Marasmiaceae. Also known as the stinking horse mushroom, it is a widely-known mushroom with a distinct smell that resembles rotten meat. If you're looking for synonyms for the term Hygrotrama Foetens, you might come across terms such as putrid mushroom, stinkhorn mushroom, and stinky horse mushroom. It belongs to the same family as the Marasmius Oreades mushroom, which is also known as the fairy ring mushroom. Hygrotrama Foetens can be found growing in forests, woodlands, and pastures, and is prevalent in countries such as the United States, Canada, and Europe.