Community find

Brite Brittlegill

Russula species (likely Russula sanguinaria or similar)

Group

gilled mushroom

Spore print

White to pale cream

Size

Cap diameter 3-10 cm; stipe length 3-8 cm, width 1-2.5 cm.

Season

Summer and Autumn, appearing during periods of high humidity and after significant rainfall.

Habitat

Typically found on the ground in grassy areas near trees or within mixed woodlands. They form symbiotic relationships with the roots of both coniferous and deciduous trees.

Distribution

Widely distributed across North America and Europe, with various related species found globally in temperate forests.

Key characteristics

Red to pink cap that fades with age, brittle texture that snaps like chalk, white to cream gills, white stipe, and lack of a partial veil or volva. The cap margin often becomes striate (lined) in older specimens.

Fruiting body

The cap is initially convex, flattening or becoming depressed with age, red to rose-pink, often with white patches where skin is damaged or weathered. The hymenophore consists of white to pale cream gills that are brittle. The stipe is cylindrical, white, and lacks a ring.

How to recognise it

The 'snapping' test: if the stem breaks cleanly like a piece of chalk rather than fraying into fibers, it is a member of the Russulaceae family. Note the red cap and white gills reaching the stem.

Look-alikes

Russula emetica (indistinguishable without microscopy), Russula rosea (harder flesh, different reaction to chemicals), and various other red-capped Russula species which are notoriously difficult to distinguish in the field.

Ecological role

Mycorrhizal, forming a vital mutualistic relationship with tree roots to exchange nutrients and water.

Notes

Members of the genus Russula are known for their bright colors and brittle structure caused by spherical cells called sphaerocysts. There are hundreds of red-capped Russula species that often require microscopic analysis of spores or chemical tests on the cap skin for definitive identification.