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Amanita muscaria (fly agaric), an iconic mushroom Large agaric s, or other fleshy fungi such as bolete s. Commonly divided into mushrooms (human-edible) and toadstools (inedible). [251] myc-mycet-, myceto-, myco-Combining prefixes that mean "fungus". From Gr. mykēs and mykētos , fungus. [252] mycelial cord A discrete aggregation of hyphae.
Mycelium is an important food source for many soil invertebrates. They are vital to agriculture and are important to almost all species of plants, many species co-evolving with the fungi. Mycelium is a primary factor in some plants' health, nutrient intake and growth, with mycelium being a major factor to plant fitness.
The fungus normally exists unseen, in the form of a mass of threadlike vegetative cells called a mycelium, inhabiting rotting wood; only when suitable environmental conditions of temperature, moisture, and nutrient availability are achieved does the fungus produce the reproductive structures known as fruit bodies, or mushrooms.
Epigeous sporocarps that are visible to the naked eye, especially fruitbodies of a more or less agaricoid morphology, are often called mushrooms. Epigeous sporocarps have mycelia that extend underground far beyond the mother sporocarp. There is a wider distribution of mycelia underground than sporocarps above ground. [2]
Mycelium, or actively growing mushroom culture, is placed on a substrate—usually sterilized grains such as rye or millet—and induced to grow into those grains. This is called inoculation. Inoculated grains (or plugs) are referred to as spawn. Spores are another inoculation option, but are less developed than established mycelium.
Mycology is the branch of biology concerned with the study of fungi, including their taxonomy, genetics, biochemical properties, and use by humans. [1] Fungi can be a source of tinder, food, traditional medicine, as well as entheogens, poison, and infection.
Like several other Armillaria, the mycelium of Armillaria ostoyae can display bioluminescence, resulting in foxfire. [3] Armillaria ostoyae grows and spreads primarily underground, such that the bulk of the organism is not visible from the surface. In the autumn, the subterranean parts of the organism bloom "honey mushrooms" as surface fruits. [2]
The mushrooms originate as minute fruit bodies (called "pins" due to their shape) from a yellow mycelium that forms a mat and tends to engulf pine needles. The pins, typically 1–2 mm in diameter, lengthen vertically until they are roughly three or four times longer than they are thick.