Gomphidius maculatus: The Ultimate Mushroom Guide
About The Gomphidius maculatus Mushroom
Gomphidius maculatus is an edible mushroom in the family Gomphidiaceae that is found in Europe and North America. It was first described scientifically by naturalist Giovanni Antonio Scopoli in 1772. Elias Magnus Fries transferred it to the genus Gomphidius in 1838, giving it the name by which it is known today. The specific epithet maculatus is derived from the Latin word for "spotted".
The European members of this genus are recognized by their overall appearance, hymenophore of gills, viscid cap surface and the presence of glutinous veil.
Other names: Hideous Gomphidius, Larch Spike.
Gomphidius maculatus Identification
With a glutinous veil, its remnants are seen as a glutinous ring in the upper part of the stipe.
Up to 10 cm, depressed, often umbonate, rarely flat, flat-convex or convex, ivory, pale brown to almost black, viscid.
Mostly cylindrical or sometimes spindle-shaped and usually tapering towards the base, white, whitish or sometimes brownish, spotted reddish-brown, blackening, with a glutinous ring in the upper part.
White or whitish, blackening when exposed to air.
Whitish at first, gradually becoming grey to dark grey with age, reddening and then blackening when bruised.
Odor and Taste
Smell and taste not distinctive.
Spores 16.5-21 × 6-8 µm, fusiform. Basidia are clavate, 34.5—51 × 9.5—12.5 µm. Cystyds are cylindrical or clavate.
In coniferous forests and plantations, mycorrhizal with larch (Larix).
Might be confused with Gomphidius glutinosus, but the later has unchanging gills and flesh.
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