''Suillus kaibabensis'' is a species of

fungus A fungus (plural, : fungi or funguses) is any member of the group of Eukaryote, eukaryotic organisms that includes microorganisms such as yeasts and Mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified ...

in the family

Boletaceae The Boletaceae are a family of mushroom-forming fungi, primarily characterised by small pores on the spore-bearing hymenial surface (at the underside of the mushroom), instead of gills as are found in most agarics. Nearly as widely distributed ...

. The species was first described scientifically by American mycologist

Harry D. Thiers Harry Delbert Thiers (January 22, 1919 in Fort McKavett, Texas – August 8, 2000 in Ohio) was an American mycologist who studied and named many fungi native to North America, particularly California. Thiers taught mycology at San Francisco St ...

Description

''Suillus kaibabensis'' is a hardy yellow member of the genus ''Suillus''. While yellow is the primary color, it can also include brown and white tones in varying degrees as well. This mushroom has a stem around 2–4 cm long, and 1–2 cm thick. The cap is broad and convex to flat, typical of many species of

boletes {{refimprove, date=July 2020 A bolete is a type of mushroom, or fungal fruiting body. It can be identified thanks to a unique mushroom cap. The cap is clearly different from the stem. On the underside of the cap there is usually a spongy surfa ...

. The stipe is bare, spotted with olive brown and can be reddish-brown at the base. The pores are yellowish-brown that can turn a salmon color with age.

Taxonomy

This species was first described by Harry D. Thiers in 1978. This species bears close resemblance to ''

Suillus granulatus ''Suillus granulatus'' is a pored mushroom of the genus ''Suillus'' in the family Suillaceae. It is similar to the related '' S. luteus'', but can be distinguished by its ringless stalk. Like ''S. luteus'', it is an edible mushroom th ...

''. The species has a very common look to other ''Suillus'', and is rather difficult to tell apart other than the close association with

Ponderosa pine ''Pinus ponderosa'', commonly known as the ponderosa pine, bull pine, blackjack pine, western yellow-pine, or filipinus pine is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is t ...

. An easy identifier to use for ''Suillus'' i
Suillus Filter

Ecology

''Suillus kaibabensis'' grows in the four corners region of

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...

, and

Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...

. This species exclusively prefers Ponderosa pine. It is mycorrhizal, and requires these trees to survive. It produces fruiting bodies during the wetter season of late July to September.

References

{{Taxonbar, from=Q65077571 kaibabensis Fungi of North America

Description

Taxonomy

Ecology

See also

References