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If this colony is considered a single organism, it is one of the largest known organisms in the world by area, only knowingly rivalled by a colony of Posidonia australis on the Australian seabed that measures 200 square kilometres (77 sq mi; 49,000 acres), and rivals the aspen grove "Pando" as the known organism with the highest living biomass.
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.
Pando is the largest tree by weight and landmass and the largest known aspen clone. Pando was identified as a single living organism because each of its stems possesses identical genetic markers. [2] The massive interconnected root system coordinates energy production, defense and regeneration across the tree's landmass. [3]
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.
Armillaria - among the largest organisms on earth [ edit ] The Malheur National Forest contains the largest known organism (by area) in the Northern Hemisphere: an Armillaria ostoyae ( fungus ) that spans 2,200 acres (8.9 km 2 ) and is located high on a ridgeline immediately west of Clear Creek ( 44°28′23″N 118°28′54″W / 44. ...
Armillaria mellea, commonly known as honey fungus, is an edible basidiomycete fungus in the genus Armillaria. It is a plant pathogen and part of a cryptic species complex of closely related and morphologically similar species. It causes Armillaria root rot in many plant species and produces mushrooms around the base of trees it has infected.
The ability to spread using rhizomorphs as well as through mycelial contact allow the fungus to spread over very large areas and between many individuals. In fact, Armillaria is recognized as the largest living organism due to its clonal method of spreading. Infection is especially strong where environmental conditions are optimal and a large ...
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.