description Grey Knight Overview
Tricholoma terreum, known as the grey knight or earthy tricholoma, is a gray-capped, gilled mushroom in the family Tricholomataceae. It forms mycorrhizal associations with conifers and is recorded from Europe and North America, as well as under introduced pines in Australia and New Zealand. Its dry cap is gray to gray-brown, often fibrous or felted, with pale gills. It was long regarded as edible, but gray Tricholoma species are difficult to identify and some authorities advise against eating it because of possible confusion with toxic relatives.
help Grey Knight FAQ
What is the grey knight mushroom?
The grey knight is the common name for Tricholoma terreum, also called earthy tricholoma. It is a gray-capped, gilled mushroom in the family Tricholomataceae.
Where does Tricholoma terreum grow?
Tricholoma terreum forms mycorrhizal associations with conifers, meaning it grows in a mutually connected relationship with tree roots. It is recorded in Europe and North America and has also been found under introduced pines in Australia.
How can you identify a grey knight mushroom?
The species typically has a gray cap and gills underneath. Because mushroom identification can be difficult and dangerous, cap color alone should not be used to decide whether a specimen is safe to eat.
Is the grey knight safe to eat?
The name edible-mushroom reflects its catalog classification, but wild mushroom safety depends on correct identification and local guidance. Tricholoma species can be difficult to distinguish, so an uncertain specimen should not be eaten.
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