Dog Sick Slime Mould - Mucilago crustacea

Description

The fruiting body matures through yellow to become white, its interior finally blackening with age. The newly emerged plasmodia resembles a dog?s vomit on the grass but within 24 hours the calcareous cortex has hardened and the black spore mass has matured.

Identification difficulty
Habitat

Usually on grass.

When to see it

September is the peak month.

Life History

This slime mould moves slowly to new food.

UK Status

Widespread and fairly frequent in Britain.

VC55 Status

Fairly frequent in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Dog Vomit Slime Mould
Species group:
Slime Moulds
Kingdom:
Protozoa
Order:
Stemonitida
Family:
Didymiaceae
Records on NatureSpot:
41
First record:
08/09/2011 (Calow, Graham)
Last record:
27/10/2024 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records