Viscid Violet Cort

Cortinarius iodes

The thick, bitter slime coating its cap is a clever defense mechanism that prevents the mushroom from drying out and deters slugs from eating it.

Scientific name
Cortinarius iodes
Taxonomy
Fungi › Basidiomycota › Agaricomycetes › Agaricales › Cortinariaceae › Cortinarius
IUCN Red List status
Least Concern
Population trend
stable
Biome
forest
Habitat
Deciduous and mixed forests, growing on the ground solitarily or in small groups near hardwood trees.
Diet
Mycorrhizal; absorbs organic nutrients and water from host tree roots in exchange for minerals.
Range
Eastern North America, Central America, Northern South America, East Asia
Size
Cap diameter of 2 to 6 cm; stem length of 3 to 7 cm.
Lifespan
The underground mycelium can live for decades, while the purple fruiting body lasts only 7 to 14 days.
Active
diurnal
Threats
Deforestation, soil compaction from heavy foot traffic, and loss of mature host oak and beech trees.
Safe to approach?
Harmless to touch, but do not consume. While not confirmed to be deadly, many of its close relatives contain lethal toxins, making this species strictly inedible. Enjoy its vibrant purple slime from a safe distance, and wash your hands if you happen to touch it. If accidentally ingested, seek medical attention immediately.

Cortinarius iodes , commonly known as the spotted cort or the viscid violet cort , is a species of agaric fungus in the family Cortinariaceae. The fruit bodies have small, slimy, purple caps up to 6 cm (2.4 in) in diameter that develop yellowish spots and streaks in maturity. The gill color changes from violet to rusty or grayish brown as the mushroom matures. The species range includes the eastern North America, Central America, northern South America, and northern Asia,...

Photo: Charles de Martigny, CC-BY, via iNaturalist

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