mil-s's Identifications

I have no idea but some kind people on mushroom hunting NZ ID’d for me :)

Growing on a small branch on the ground in beech forest. Spongy texture, 4-5 pores per mm.

Brown fan-shaped mushroom without stipe growing from rotting wood.
Spore print brown.Spores spherical.

growing under silver birch

in a small 'cave in a rotting tree stump. I think it's a lichen. The last image is when I pulled some out. was about 30cm wide by 30 cm high, not sure how deep.