Laccaria amethystina

Laccaria amethystina, commonly known as the amethyst deceiver, is a species of fungus belonging to the family Hydnangiaceae. It is notable for its striking amethyst purple color, which can fade to a pale lavender or even white with age or after rain. This mushroom is found in both deciduous and coniferous forests across North America, Europe, and parts of Asia, thriving in moist, humus-rich soils.

Description

Laccaria amethystina features a cap that ranges from 2 to 6 cm in diameter, initially convex before flattening out with age, often retaining a slight central depression. The cap's surface is smooth, with a distinctive amethyst purple color that can fade under direct sunlight or after heavy rainfall. The gills are spaced moderately, adherent to slightly decurrent, and share the cap's purple hue, though they may lighten with age. The stem, ranging from 4 to 10 cm in height and 0.5 to 1 cm in thickness, is also purple, though it may become hollow and brittle as the mushroom matures. The spore print is white, contributing to its identification.

Habitat and Distribution

This species prefers the moist, well-drained soils of both deciduous forests, where it is often found in association with oak and beech trees, and coniferous forests. It forms mycorrhizal relationships with these trees, facilitating nutrient exchange and enhancing the growth and health of its plant partners. Laccaria amethystina is widely distributed across the temperate regions of North America, Europe, and Asia, indicating its adaptability to a range of forest types and climates.

Edibility

The amethyst deceiver is considered edible, though its small size and the potential for color fading, which can make it difficult to identify, often deter foragers. It is important to note that while this mushroom is not toxic, its resemblance to other purple-colored species, some of which may be poisonous, necessitates careful identification before consumption.

Conservation

Currently, Laccaria amethystina does not face any immediate threats and is not listed on any conservation red lists. Its widespread distribution and adaptability to different forest types suggest a species that is relatively resilient. However, like many fungi, it could be susceptible to changes in forest management practices, pollution, and climate change, which could impact its mycorrhizal relationships and, by extension, its survival.

Cultural Significance

Beyond its ecological role, the amethyst deceiver has captured the imagination of mushroom enthusiasts and nature photographers alike, thanks to its striking appearance. It serves as a reminder of the biodiversity found within forest ecosystems and the intricate relationships that sustain them.

Laccaria amethystina
Mycological characteristics
	gills on hymenium
	cap is convex
	hymenium is adnate
	stipe is bare
	spore print is white
	ecology is mycorrhizal
	edibility: edible