Complete List
1 Unique criteria
1.1
Xerocomus parasiticus, Boletus parasiticus
1.2
Tylopilus chromapes, Leccinum chromapes, Harrya chromapes
1.3
Strobilomyces strobilaceus, Strobilomyces floccopus
1.4
Leccinum holopus, var. americanum
1.5
Gyrodon merulioides, Boletinellus merulioides
1.6
Boletus Frostii
1.7
Boletellus russellii, Frostiella russellii
1.8
Phylloporus leucomycelinus
2 Hollow stalk
2.1
Suillus cavipes
2.2
Gyroporus cyanescens
2.3
Gyroporus castaneus
2.4
Gyroporus purpurinus
3 Stalk with a ring, veil or gaiter
3.1
Suillus pictus, Boletinus pictus, Fuscoboletinus pictus
3.2
Suillus luteus
3.3
Suillus grevillei, Boletinus grevillei, Boletus elegans, Suillus clintonianus
3.4
Suillus glandulosus, Fuscoboletinus glandulosus
3.5
Suillus spectabilis. Fuscoboletinus spectabilis
3.6
Pulveroboletus ravenelii
3.7
Suillus acidus var. intermedius
3.8
Suillus subalutaceus
3.9
Suillus paluster, Boletinus paluster, Fuscoboletinus paluster
3.10
Suillus salmonicolor, Suillus subluteus
3.11
Suillus serotinus, Fuscoboletinus serotinus
3.12
Suillus viscidus, Fuscoboletinus laricinus, Fuscoboletinus viscidus
4 Usually glandular stalk, viscous cap
4.1
Suillus brevipes
4.2
Suillus neoalbidipes
4.3
Suillus sibiricus
4.4
Suillus placidus
4.5
Suillus tomentosus
4.6
Suillus punctipes
4.7
Suillus granulatus
4.8
Suillus subaureus
4.9
Suillus americanus
5a Wrinkled, pitted, bumpy or significantly cracked cap
5.1
Leccinellum quercophilum
5.2
Leccinum luteum
5.4
Leccinum carpini (=pseudoscabrum) (=griseum, en Europe)
5b Smooth cap, flesh does not change when cut
5.5
Leccinum scabrum
5.6
Leccinum subgranulosum
5.7
Leccinum rotundifoliae
5.8
Leccinum albellum
5.9
Leccinum holopus var. holopus
5c Smooth cap, flesh turns red, brown or blue when cut
5.10
Leccinum holopus var. americanum
5.12
Leccinum snellii
5.13
Leccinum rimulosum
5.14
Leccinum melaneum, Leccinum scabrum var. melaneum
5.15
Leccinum insilens var. bruneomaculatum
5.16
Leccinum flavostipitatum
5.17
Leccinum discolor
5d Smooth cap, whitish flesh turns grey-violet when cut
5.21
Leccinum aurantiacum
5.21b
Leccinum aurantiacum -Leccinum piceinum
5.22
Leccinum piceinum
5.23
Leccinum atrostipitatum
5.24
Leccinum insigne
5.25
Leccinum insolens
5.26
Leccinum griseonigrum
6a Partial colour change to blue
6.1
Boletus bicolor, Baorangia bicolor, var. subreticulatus
6.1b
Boletus bico;or, Borangia bicolor
6.2
Boletus specious var. brunneus, Butyriboletus brunneus
6.3
Pulveroboletus lignicola
6.4
Boletus huronensis
6.5
Xerocomus chrysenteron, Xerocomellus chrysenteron
6.6
Boletellus chryserenteroides
6.7
Boletus inedulis
6.8
Boletellus intermedius
6.9
Xerocomus rubellus, Hortiboletus rubellus, Boletus rubellus
6.10
Boletus miniato-pallescens
6b Total, rapid colour change to blue
6.20
Boletus flammans
6.21
Boletus luridus, Suilellus luridus
6.22
Boletus roseopurpureus
6.23
Caloboletus roseipes, Boletus roseipes
6.24
Boletus vermiculosus
6.25
Boletus vermiculosoides
6.26
Boletus subvelutipes
6.27
Boletus subluridellus
6.28
Boletus sensibilis
6.29
Boletus sensibilior
6.30
Boletus pulverulentus
6.31
Boletus miniato-olivaceus
6.32
Neoboletus pseudosulphureus
6c Partial colour change to pink, red or brown
6.40
Xerocomus tenax, Boletus tenax
6.41
Tylopilus indecisus
6.42
Tylopilus eximius, Sutorius eximius
6.43
Porphyrellus porphyrosporus, Tylopilus porphyrosporus
6.44
Xerocomus badius, Imleria badia, Boletus badius
6.45
Porphyrellus fumosipes, Tylopilus sordidus
6.46
Tylopilus appalachiensis
6.47
Tylopilus intermedius
7a White flesh, unchangable; stalk reticulate
7.1
Boletus edulis, Boletus chippewaensis
7.2
Boletus clavipes
7.3
Boletus variipes
7.4
Boletus separans, Xantoconium separans
7.5
Boletus atkinsonii
7.6
Tylopilus felleus
7.7
Xerocomus tenax, Boletus tenax
7.1
Boletus edulis, Boletus chuppewaensis
7b White flesh, unchangable; non-reticulate stalk
7.11
Boletus pallidus
7.12
Xantochonium affine
7.13
Tylopilus badiceps
7.14
Austroboletus gracilis
7.15
Tylopilus pseudopallidus
7.16
Tylopilus rubrobrunneus
7.17
Tylopilus plumbeoviolaceus
8 Yellow, reddish or browning flesh that does not change when cut
8.1
Chalciporus piperatus
8.2
Chalciporus piperatoides
8.3
Chalciporus rubinellus
8.4
Boletus subglabripes, Hemileccinum subglabripes
8.5
Boletus subtomentosus, Xerocomus subtomentosus
8.6
Xerocomus badius, Imleria badia, Boletus badius
8.7
Boletus innixus, Aureoboletus innixus
8.8
Boletus hortonii
8.9
Xerocomus raxanae, Boletus roxanae, Aureoboletus roxanae
8.10,5
Boletus sp.
8.10
Boletus ornatipes, Retiboletus ornatipes
8.11
Boletus griseus, Retiboletus griseus
8.12
Xerocomus illudens, Boletus illudens
8.13
Boletus auripes, Boletus aureissimus