of Threatened Species. It is also one of 33 larger fungi proposed for international protection under the Bern Convention. Porpolomopsis calyptriformis also appears on the official or provisional national red lists of threatened fungi in several European countries, including Austria, Bulgaria, the Czech Republic, Denmark, France, Germany (Bavaria), Hungary, Italy, Poland, Slovakia, Spain, and Switzerland. References Fungi of Europe Fungi described in 1838 Hygrophoraceae Taxa named by Miles Joseph Berkeley