BOLETES: SPONGE-PORED

Boletus subvelutipes, Suilliellus subvelutipes 1739

Generally boletes have a hemispherical to convex cap, soft flesh, and a layer of attached vertical tubes beneath the cap flesh in which spores are produced and are released. Cap and stem colors commonly change as the fruiting bodies age. This is why mycologists recommend gathering several of the same speciers representing different degrees of maturity.  The cap is typically held up by a stem, which may or may not feature addditional characteristics common to genera within the family. A number of boletes, but not all, depending on the species slowly or instantly stain a color in response tp handling and exposure to air. In some, the color may change over time. These and other characteristics are important for learning to identify this important group of mycorrhizal fungi. Some are associated with broad-leaf trees, others with conifers, and some are relatively cosmopolitan.

The above photo of the red-pored Boletus subvelutipes shows the white flesh beneath the cap skin, and the yellow tubes and stem which have instantly turned blue on exposure to air with handling and cutting.

AUREOBOLETUS____auriporus,____innixus,____roxanae

AUSTROBOLETUS____gracilis,____gracilis var. pulcherrimus

BAORANGIA____bicolor

BOLETELLUS____chrysenteroides,____pseudochrysenteroides,____russellii

BOLETINELLUS (Gyrodon)___merulioides

BOLETUS____atkinsonii,____auripes,____carminiporus,____clavipes,____gertrudiae,____huronensis,____longicurvipes,____miniato-olivaceus,____miniatopalescens,____nobilis,____nobilissimus,____pallidus (SEE IMLERIA),____pinophilus,____pseudo-olivaceus,___rubroflammeus,____rufomaculatus,____sensibilis,____separans,____spadaceus,____speciosus,            ____ subtomentosus,____subvelutipes,____variipes,____ vermiculosoides, ____vermiculosus

BOTHIA____castanella

BUCKWALDOBOLETUS____lignicola

BUTYRIBOLETUS____brunneus,___frosti,____peckii,____roseopurpureus

CALOBOLETUS____calopus,____inedulis,____roseipes

CHALCIPORUS____piperatoides,____piperatus,____rubinellus

CYANOBOLETUS____pulverulentus

GYROPORUS____castaneus,____cyanescens,____cyanescens var. violatinctus,____purpurinus

HARRYA____chromapes

HEMILECCINUM___subglabripes

HORTIBOLETUS____campestris,____rubellus

IMLERIA____badia_____pallida

LANMAOA____pseudosensibilis

LECCINELUM____albellum

LECCINUM____holopus,____luteum,____potteri,____rubropunctum,____rugosiceps,____scabrum,____snellii,  ____subleucophaeum,____variicolor,____versipelle,____vulpinum

NEOBOLETUS____luridiformis,___pseudosulphureus

PHYLLOPORUS____boletinoides,____leucomycelinus,____rhodoxanthus

PORPHYRELLUS____indecisus,____nebulosus

PSEUDOBOLETUS____parasiticus

PULVEROBOLETUS____ravenelii

RETIBOLETUS____griseus,____ornatipes

RUBROBOLETUS____rhodosanguineus

STROBILOMYCES____confusus,____strobilaceus (floccosus)

SUILLUS____acidus (intermedius),____americanus,_____ampliporus (cavipes)____brevipes,____cavipes (See S. ampliporus),____clintonianus (grevellei)____granulatus (See S. weaverae),____grevillei (See S. clintonianus),____intermedius (See S. acidus)____luteus,____placidus ______punctipes____salmonicolor,____spraguei (pictus), ____weaverae (granulatus)

SUTORIUS____eximius

TYLOPILUS____alboater,____atronicotianus,____badiceps,____balloui,____felleus,____ferrugineus,  ___plumbeoviolaceus,____porphyrosporus,____rubrobrunneus,____sordidus,____variobrunneus,____violatinctus

XANTHOCONIUM____affine,____purpureum

XEROCOMELLUS____chrysenteron,____rubellus (fraternus) (See HORTIBOLETUS)

XEROCOMUS____hortonii,____illudens,____morrisii,____sclerotiorum,____tenax