Psathyrella ammophila / Dune Brittlestem
Cap: 3-5cm across the top; initially bell-shaped before flattening
Cap Color: surface is pale brown, tan or darker brown; is paler in dry weather but usually blackens when it is old;
Gills Color: chocolate brown; dries as very dark brown to black
Stem: 2-5mm in diameter; 3-7cm tall, with another 2-4cm below ground
Stem Color: light white that turns brown with age
Spores: Ellipsoidal, smooth; very dark brown
Habitat: stable dune slopes and dune slacks; coastal dunes
Growing Season: June to November in British Isles
The Dune Brittlestem mushroom is dimensionally quite small. This mushroom serves as an effect shade canopy for any human that is under 3-5 centimeters tall. Additionally, insects may use the Dune Brittlestem for respite from the sun in the middle of a hot summer.
First Nature https://www.first-nature.com/fungi/psathyrella-ammophila.php
British Fungi Blog https://britishfungi.blogspot.com/2019/07/psathyrella-ammophila-dune-brittlestem.html
Nature in Stock https://www.natureinstock.com/search/preview/dune-brittlestem-psathyrella-ammophila-growing-on-sand-dune-schiermonnikoog/0_00114589.html