What is growing on our grass?

Question

Discovered lots of this fungi growing on our field and wondered a) is it harmful to the grass and b) is it harmful to our Labrador if he eats it?

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Answer 1

This is a Slime Mold.
It is completely harmless to you and your pets.

https://www.gardeningknowhow.com/ornamental/fungus-lichen/what-is-slime-mold-slime.htm