''Agaricus subrutilescens'', also known as the wine-colored agaricus, is a

mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is ...

of the genus ''

Agaricus ''Agaricus'' is a genus of mushrooms containing both edible and poisonous species, with over 400 members worldwide and possibly again as many disputed or newly-discovered species. The genus includes the common ("button") mushroom ('' Agaricus bi ...

''. It was first described scientifically in 1925 as ''Psalliota subrutilescens'', and later transferred to ''Agaricus'' in 1938.

Description

''Agaricus subrutilescens'' has a

cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...

that is across, dry, and has many wine to brown colored fibrils, especially near the center. The

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

are close and white at first, turning pinkish and then dark brown in age. The stalk has a skirt-like ring and is long, thick, white, and covered with soft woolly scales below the ring. The

flesh Flesh is any aggregation of soft tissues of an organism. Various multicellular organisms have soft tissues that may be called "flesh". In mammals, including humans, ''flesh'' encompasses muscles, fats and other loose connective tissues, but ...

is white and does not stain, and the odor and taste are mild. The purplish fibrous cap and shaggy white stem differentiate this mushroom from others which resemble it. Similar species include ''

Agaricus hondensis ''Agaricus hondensis'', commonly known as the felt-ringed agaricus, is a species of fungus in the family Agaricaceae. The species was officially described in 1912 by mycologist William Alphonso Murrill, along with three other ''Agaricus'' specie ...

'' and ''

Agaricus moelleri ''Agaricus moelleri'', also known as the inky mushroom, or dark scaled mushroom, is a large mushroom of the genus ''Agaricus''. It appears occasionally in most kinds of woodland, during late summer, in northern temperate zones. Taxonomy For man ...

''. This mushroom is regarded variously described as edible, inedible, or responsible for causing gastric upset.

Habitat and distribution

The mushroom fruits in undisturbed mixed woods in Western North America and Japan. It grows by itself or scattered in small clusters, often under

redwood Sequoioideae, popularly known as redwoods, is a subfamily of coniferous trees within the family Cupressaceae. It includes the largest and tallest trees in the world. Description The three redwood subfamily genera are '' Sequoia'' from coasta ...

pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family (biology), family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanic ...

, or

alder Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few sp ...

. Recently this mushroom has been identified in New Zealand and Australia.https://www.selbyshrooms.com.au/agaricus-subrutilescens-new-addition-australian-agaricus/

References

{{Taxonbar, from=Q4691345 subrutilescens Fungi described in 1925 Fungi of Asia Fungi of North America

Description

Habitat and distribution

See also

References