Identified using iNaturalist.
Belonging to the kingdom Fungi and phylum Basidiomycota. It can be identified by its white/cream coloring that yellows with age, with an underbelly of white gills.
Small, found in sand. Believe this to be the same as this other small pop of similar from same day/area: https://www.inaturalist.org/observations/247028314
Spores measure:
(5.9) 6.1 - 6.6 (7) × (4.1) 4.3 - 4.7 (4.9) µm
Q = (1.3) 1.35 - 1.48 (1.5) ; N = 19
Me = 6.4 × 4.5 µm ; Qe = 1.4