Agaricus buckmacadooi
| Agaricus buckmacadooi | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Agaricaceae |
| Genus: | Agaricus |
| Species: | A. buckmacadooi |
| Binomial name | |
| Agaricus buckmacadooi Kerrigan | |
Agaricus buckmacadooi, commonly known as Buck's agaricus,[1] is a species of mushroom in the family Agaricaceae. It is found on the Pacific coast of North America.[2]
Taxonomy
[edit]Agaricus buckmacadooi was first described by Rick Kerrigan in 2016.[3] Prior to that, it was often lumped together with A. deardorffensis and A. berryessae as Agaricus praeclareesquamosus or A. moelleri. At other times, these species were lumped together as A. placomyces. However, Kerrigan did research revealing that A. buckmacadooi, as well as A. deardorffensis and A. berryessae are in fact distinct species.[1] Agaricus moelleri is a European species, and A. placomyces is an Eastern North American species.
Description
[edit]The cap of Agaricus buckmacadooi is about 8-20 centimeters in diameter and is scaly[4] and tannish brown.[1] The cap starts out round or convex, before expanding out to broadly convex or flat. The stipe is 7-15 centimeters long and 1-4 centimeters wide, with a ring. The gills are free and start out a pale pink color, before becoming pinkish tan and finally brown with age.[1] The flesh of this mushroom stains yellow.[1]
Similar species
[edit]| Agaricus buckmacadooi | |
|---|---|
| Mycological characteristics | |
 | Gills on hymenium |
 | Cap is convex or flat |
 | Hymenium is free |
 | Stipe has a ring |
 | Spore print is brown |
 | Edibility is poisonous |
Agaricus buckmacadooi is similar to A. deardorffensis and A. berryessae. All three species smell phenolic, stain yellow, and are very difficult to tell apart.[5]
Habitat and ecology
[edit]Agaricus buckmackadooi is found under douglas fir, hemlock, and coastal redwood trees in forests. As a saprophytic fungus, it breaks down decaying material.[4]
References
[edit]- 1 2 3 4 5 Siegel, Noah; Schwartz, Christian (September 1, 2024). Mushrooms of Cascadia: A Comprehensive Guide to Fungi of the Pacific Northwest. Humboldt County, California: Backcountry Press. p. 84. ISBN 9781941624197.
- ↑ "Agaricus buckmacadooi - Burke Herbarium Image Collection". burkeherbarium.org. Retrieved 2025-08-18.
- ↑ "Agaricus buckmacadooi". www.mycobank.org. Retrieved 2025-08-18.
- 1 2 "Agaricus buckmacadooi (MushroomExpert.Com)". www.mushroomexpert.com. Retrieved 2025-08-18.
- ↑ "Agaricus deardorffensis – Mushrooms Up! Edible and Poisonous Species of Coastal BC and the Pacific Northwest". explore.beatymuseum.ubc.ca. Retrieved 2025-08-18.