Ugly Milkcap

Lactarius turpis (Weinm.) Fr.

1 Observations
1 year ago Last Observed

Lactarius turpis (also L. plumbeus or L. necator) is a Eurasian species of fungus, commonly known as the ugly milk-cap in English.

Source: Wikipedia

Spore Print
Season
J F M A M J J A S O N D
Native toxic

Distribution

Common everywhere

Habitat

On wet soils with Betula but also with conifers

Associates

Betula, Picea

Conservation

LC
LC - Least Concern

IUCN Red Data List - Lactarius turpis
Assessment date: 2025

Cap

Colour
Shape Convex, Flattened, Depressed
Surface Viscid
Width 5 - 14 cm
Margin Inrolled

Gills

White, copious, quickly very acrid and unpleasant

Colour
Attachment Adnate, Decurrent
Spacing crowded

Flesh

Colour
Odour Not distinct
Taste Very acrid

Stem

Colour
Height 4 - 6 cm
Width 15 - 25 mm
Texture Smooth, Rugulose
Shape Cylindric, Tapering

Macrochemicals

KOH

Spores

Wart and ridges up to 1μm high, ridges forming a complete network

Colour
Type amyloid
Shape Subglobose
Ornamentation Reticulate, Warty
Size 6.3-9 x 5-7 μm
Confirmed
Unconfirmed

Classification

  • ↳ Phylum: Basidiomycota
  • ↳ Subphylum: Agaricomycotina
  • ↳ Class: Agaricomycetes
  • ↳ Order: Russulales
  • ↳ Family: Russulaceae
  • ↳ Genus: Lactarius

Source: UKSI via NBN Atlas

Synonyms

  • Agaricus turpis Fr.
  • Agaricus turpis Weinm.
  • Lactarius necans
  • Lactarius necator (Bull. ex Fr.) Karst. sensu S.F.Gray, Karst.
  • Lactarius necator sensu auct.
  • Lactarius plumbeus sensu Pearson [Naturalist (Hull): 86 (1950)], sensu auct.

Source: UKSI via NBN Atlas

Reference Sources

G. Kibby (2025) British Milkcaps Lactarius & Lactifluus. Geoffrey Kibby.

T. Læssøe, J. H. Peterson (2019) Fungi of Temperate Europe Vol. 1. Princeton University Press.

BMS English Names for Fungi