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A mushroom of this type in the Malheur National Forest in the Strawberry Mountains of eastern Oregon, was found to be the largest fungal colony in the world, spanning an area of 3.5 square miles (2,200 acres; 9.1 km 2). [2] [8] This organism is estimated to be some 8,000 years old [8] [18] and may weigh as much as 35,000 tons. [8]
Prototaxites / ˌ p r oʊ t oʊ ˈ t æ k s ɪ t iː z / is an extinct genus of terrestrial fungi dating from the Late Silurian until the Late Devonian periods. [1] [2] Prototaxites formed large trunk-like structures up to 1 metre (3 ft) wide, reaching 8 metres (26 ft) in length, [3] made up of interwoven tubes around 50 micrometres (0.0020 in) in diameter, making it by far the largest land ...
Armillaria mellea Armillaria hinnulea. The basidiocarp (reproductive structure) of the fungus is a mushroom that grows on wood, typically in small dense clumps or tufts. Their caps (mushroom tops) are typically yellow-brown, somewhat sticky to touch when moist, and, depending on age, may range in shape from conical to convex to depressed in the center.
The largest living fungus may be a honey fungus [25] of the species Armillaria ostoyae. [26] A mushroom of this type in the Malheur National Forest in the Blue Mountains of eastern Oregon, U.S. was found to be the largest fungal colony in the world, spanning 8.9 km 2 (2,200 acres) of area. [25] [27] This organism is estimated to be 2,400 years old.
There is also a case for a fungal affinity for the enigmatic microfossil Ornatifilum. Since the fungi form a sister group to the animals, the two lineages must have diverged before the first animal lineages, which are known from fossils as early as the Ediacaran. [9] In contrast to plants and animals, the early fossil record of the fungi is meager.
Humongous Fungus (a colloquial name given to large mushrooms) may refer to: An Armillaria ostoyae specimen in Malheur National Forest in Oregon, covering 3.4 square miles (8.8 km 2 ) An Armillaria gallica specimen in Michigan, covering 37 acres (0.058 sq mi; 0.15 km 2 )
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Armillaria gallica (synonymous with A. bulbosa and A. lutea) is a species of honey mushroom in the family Physalacriaceae of the order Agaricales.The species is a common and ecologically important wood-decay fungus that can live as a saprobe, or as an opportunistic parasite in weakened tree hosts to cause root or butt rot.