Leucoagaricus leucothites

Leucoagaricus leucothites, commonly known as the smooth parasol, woman on motorcycle,[2] ma'am on motorcycle,[3] white dapperling, or white agaricus mushroom, is a species of agaric fungus. The species was originally described as Agaricus leucothites by Carlo Vittadini in 1835, and bears similarity to species of that genus.[4] Solomon Wasser transferred it to Leucoagaricus in 1977.[5] While sometimes regarded as edible,[6] the species is suspected of being poisonous due to gastric-upset-causing toxins.[7] It could also be confused with the deadly Amanita ocreata.[6]

Leucoagaricus leucothites
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Leucoagaricus
Species:
L. leucothites
Binomial name
Leucoagaricus leucothites
(Vittad.) Wasser (1977)
Synonyms
  • Agaricus leucothites Vittad. (1835)
  • Lepiota holosericea (J. J. Planer) Gillet (1874)
  • Leucoagaricus naucinus[1] Singer
  • Leucocoprinus holosericeus (J. J. Planer) Locq. (1943)
Leucoagaricus leucothites
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex or flat
Hymenium is free
Stipe has a ring
Spore print is white
Ecology is saprotrophic
Edibility is unknown

The mushroom's cap is 4 to 15 cm wide,[6] is granular, white or gray-brown in color then sometimes grayish or pinkish.[4] The flesh may bruise yellowish and the gills reddish.[4] The stipe is 5 to 12 cm long, commonly with a wide base, and bruising yellow or brown.[6] A ring is usually present.[4] The spores are white, smooth, and elliptical.[6]

It generally appears in civilized areas such as gardens and parks, but sometimes is found in forests.[4]

See also

References
  1. Wood, Michael; Stevens, Fred. "California Fungi: Leucoagaricus leucothites". MykoWeb. Retrieved 2021-02-15.
  2. Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
  3. Arora, David (February 1, 1991). All That the Rain Promises and More: A Hip Pocket Guide to Western Mushrooms. ISBN 9780898153880.
  4. Trudell, Steve; Ammirati, Joe (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, OR: Timber Press. p. 76. ISBN 978-0-88192-935-5.
  5. Wasser SP. (1977). "New and rare species of Agaricaceae Cohn. family (in Russian)". Ukrainskiy Botanichnyi Zhurnal (in Russian). 34 (3): 305–8.
  6. Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. pp. 89–90. ISBN 978-0-520-95360-4. OCLC 797915861.
  7. Miller Jr., Orson K.; Miller, Hope H. (2006). North American Mushrooms: A Field Guide to Edible and Inedible Fungi. Guilford, CN: FalconGuide. p. 55. ISBN 978-0-7627-3109-1.


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