A small, delicate looking fungus with orange-brown, striate caps, found in mossy unimproved grasslands, lawns, etc.  It is not possible to identify Galerina grassland species with any certainty without detailed microscopic examination.

Many other 'LBMs' ('little brown mushrooms', e.g. Mycena or other Galerina species) are found in mossy grasslands

microscope

Detailed microscopic examination is needed to identify this species - if you have not done this, or it has not been verfied by an expert from a specimen, please submit your record as genus only (Galerina).

Mossy lawns and pastures.

Autumn.

Widespread and fairly frequent in Britain.

Occasional in Leicestershire and Rutland.

https://www.first-nature.com/fungi/galerina-pumila.php