Cute slime mold: Slime molds! | K-State Turfgrass And here: Slime moulds on lawns/RHS Gardening You can just ignore it / enjoy it.
For interest's sake, here are a couple of slime molds I have found in my garden - close to Parksville. Do they become slimy at some point in their life cycle I wonder? (The yellow one is called 'Dog vomit slime mold'.) Yuck!