Boletaceae
9 genera
43 species
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Aureoboletus flaviporusviscid Boletus
Boletellus mirabilisadmirable bolete, bragger's bolete
Boletus barrowsiiwhite king bolete
Distribution: Southwest United States
Habitat: Under ponderosa pines
Boletus calopusbitter beech bolete, bitter bolete
Boletus chrysenteroncracked-cap bolete, red-cracked bolete, red-cracking bolete, yellow-fleshed Boletus
Distribution: Common in conifer forests.
Habitat: B. chrysenteron can be found in forested areas, on the edges of woods, and in urban habitats, such as parks.
Boletus coniferarumconifer Boletus
Habitat: Low- to mid-elevation conifer forests
Boletus eastwoodiaeAlice Eastwood's Boletus
Boletus edulisking bolete, penny bun, cep, porcini, steinpilz
Habitat: Occurs with conifers.
Boletus fibrillosus
Distribution: Widespread in the PNW
Habitat: Occurs in old-growth forests of fir and western hemlock as well as earlier succession forests of western hemlock and Douglas-fir and other mixed forest stands.
Boletus luridiformisred-stalked bolete, scarletina bolete, slender red-pored bolete
Boletus pulcherrimusred-pored bolete
Boletus regineusqueen bolete
Boletus rex-verisspring king bolete, spring king
Boletus rubellusruby bolete
Habitat: Grassy areas, mossy lawns, or along the edges of trails, always near trees such as oaks, cottonwood, willow, and basswood or linden.
Boletus rubripesbitter bolete, red-stemmed bitter bolete
Distribution: Widespread but not particularly common in the PNW region.
Habitat: It was described from coastal conifer and mixed forests in California, but in the PNW, occurs in montane conifer forests.
Boletus smithiiSmith's Boletus
Boletus subtomentosusboring brown bolete, suede bolete, yellow-cracked bolete
Boletus zelleriZeller's bolete
Distribution: Common in coastal and low elevation conifer forests.
Habitat: Occurs in urban areas, parks, along trails, and in other areas where conifers occur.
Chalciporus piperatuspepper bolete, peppery bolete
Distribution: It is widespread and can be rather common in some years, but usually is not abundant.
Gastroboletus turbinatusbogus bolete, gastroid bolete
Description: The genus Gastroboletus is used for secotioid fungi that are similar to species of Boletus. Usually a cap is present and typically it is rounded or flattened with the margin turned down. However, in G. ruber (Zeller) Cázares & Trappe (= Truncocolumella rubra Zeller), the cap is so reduced that it looks like a false truffle without a complete peridium. In most Gastroboletus species the tubes are elongated, curved or contorted, and often olive to brown. The stipe is usually short and stout or sometimes forms a columella. G. turbinatus is our most common species, occurring from spring through fall. At first glance, the fruitbody looks like a bolete, such as Boletus chrysenteron---the cap is velvety and brown with yellowish and reddish areas, the stipe is rather short, pointed below, yellowish with small reddish scales and granules, and the pores are rather large, reddish and stain blue. The tubes are long, curved, yellow to greenish yellow and clearly indicate its secotioid nature. The flesh is yellowish, with some red just below the cap cuticle, and the whole interior stains blue after cutting.
Distribution: Broad
Leccinum aurantiacumorange-capped bolete, red-capped scaber-stalk, aspen scaberstalk
Leccinum insigneaspen bolete, aspen rough-stem, aspen scaber-stalk
Habitat: Associated with aspen
Leccinum manzanitaemadrone bolete, manzanita bolete, manzanita mushroom
Leccinum scabrumbrown birch-bolete, birch bolete, common scaber-stalk, birch scaberstalk
Habitat: Common in urban and suburban settings and less so in natural habitats. Occurs with birch.
Phylloporus rhodoxanthusgilled bolete
Porphyrellus porphyrosporusdark bolete, dusky bolete
Distribution: Widespread but not abundant.
Habitat: P. porphyrosporus occurs in coastal and low elevation conifer forests.