Lawn fungus - possibly some sort of Mycena or Coprinus/Parasola ?

Lawn fungus - possibly some sort of Mycena or Coprinus/Parasola ?

Observation - Lawn fungus - possibly some sort of Mycena or Coprinus/Parasola ? - UK and Ireland. Description: About 3cm tall, 12mm diameter, growing in the lawn. Reminds me of a jellyfish!

About 3cm tall, 12mm diameter, growing in the lawn. Reminds me of a jellyfish!