The larger host fungus that this species is growing on is commonly called "Wet Rot" I think. I made a separate observation for it here https://www.inaturalist.org/observations/201341711

When I realized what this was, I had to walk back in the dark and KOH test a piece of the cap (Amanita ocreata turns yellow with KOH). It did turn yellow, it's in the last photo

Growing in an open area full of oak leaf litter. White gills.

growing in wet area next to pond with willows and poplars

I can't figure out which species this is. It was huge. Under blue oak. Doesn't it look slightly purple almost like a Blewit?

Growing on Chamise. (Adenostoma fasciculatum)

I refused to believe that these were the Enteloma sericeum style mushrooms that I keep seeing everywhere in lawns and other disturbed areas. I also have a feeling they are eating wood