Rounded, pointy yellow top,
Parasitizing a reddish brown worm,
Found in deadwood trailside,
White purplish UV on top,
Near alder/redwood
Host is an unidentified insect larvae, found growing from the cut end of a well decayed and wet log (Silver fir seems most likely but almost completely debarked) The part of the log it was in was the lowest, wettest sector of the log on the downhill end.