Unfortunately the specimen was smashed
Microscopy confirmed spore size. On fallen conifer log.
Terrestrial under mixed conifers.
Cystidia abundant, with crystal encrusted tips. Spores (in Lugol's solution) smooth, cylindrical to allantoid, (5.6) 5.8 - 6.7 (6.8) x (2.3) 2.4 - 2.6 (2.8) um, N = 20, Q = (2.2) 2.3 - 2.7 (2.8), Me = 6.3 x 2.5, Qe = 2.5. Growing on a conifer log.
Monterey Pine forest
Another sighting of this small mushroom with big spores.
Others are:
https://www.inaturalist.org/observations/144515753
https://www.inaturalist.org/observations/143914211
https://www.inaturalist.org/observations/143618338
This sighting was on another downed stick. The whole 5 foot length was covered in various shapes.
Less larger spores were viewed. New smaller spores were numerous.
One microscopy image has an odd shape!
HUGE! Appx 2ft.
Brown in color on top
Beige underneath
Stiff
7~8” diameter
Standing 6” tall
Sponge bottom
Layered