When is a Fallen Tree or Delicious Larvae discovery token resolved, and can you wait until the next round?

Question

Accepted Answer

Fallen Tree and Delicious Larvae must be resolved at the end of the Action phase. The Fallen Tree gives you one wood on your character sheet, for you alone, until the next round. Other discovery tokens can wait until you can use them.

Robinson Crusoe: Adventures on the Cursed Island

When is a Fallen Tree or Delicious Larvae discovery token resolved, and can you wait until the next round?