Probable Sulphur Tuft?

Probable Sulphur Tuft?

Observation - Probable Sulphur Tuft?. Description: The whole clump is about 5 inches across and they're growing in a neighbour's garden. Psathyrella multipedata is just a stab in the dark really but they certainly do look distinctive. Anybody any ideas. UPDATE:I've added a second photo a couple of weeks

The whole clump is about 5 inches across and they're growing in a neighbour's garden. Psathyrella multipedata is just a stab in the dark really but they certainly do look distinctive. Anybody any ideas.
UPDATE:I've added a second photo a couple of weeks on and it looks likely they are Sulphur Tufts.