Group B - Gilled fungi with a central to eccentric stem, no
annulus, even gill edges, and decurrent to subdecurrent gills

1. Cap, stalk or both with conspicuously hairy or velvety areas

    2. Cap 0.5-2.5 cm wide, base of stalk covered with dense orangish hairs, mushrooms
        densely clustered

        3. Mushroom growing on decaying conifer logs, stumps, and fallen limbs ....Xeromphalina campanella

        3. Mushroom growing on decaying hardwood logs, stumps, and fallen limbs ...Xeromphalina kauffmanii

   2 Cap typically larger than 2.5 cm wide, mushrooms solitary to grouped or clustered

       4. Cap convex to flat, brownish; stalk 2.5-10 cm long, up to 3 cm thick, central to eccentric, velvety with
           blackish-brown hairs; gills yellowish, forked to pore-like near stalk, spore print yellowish
           to brownish...................................................................................................Paxillus atrotomentosus

       4. Cap kidney to fan or funnel-shaped; cap and stalk densely hairy and velvety, pinkish tan to reddish brown
           with violet tints, becoming pale ochraceous or tan with age; stalk short and stubby (typically less than
           2.5 cm long), eccentric; gills not forked or porelike; spore print white.......................Lentinus strigosus

1. Cap and stalk smooth, without conspicuous hairy or velvety areas although tufts of fibers, matted hairs, and small
    scales may be present on some species

     5. Spore print salmon pink; aborted forms present in addition to gilled forms ............. Entoloma abortivum

     5. Spore print white to cream, pale yellow, lilac-gray, or brownish

         6. Spore print white to cream or yellow or lilac-gray

             7. Spore print yellow; cap brownish; gills golden..............................Chrysomphalina chrysophylla

             7. Spore print white to cream or lilac-gray

                 8. Cap, stipe, and gills lilac when young but soon fading to yellowish; cap and stalk sticky/slimy
                     when moist; on conifer wood .............................................................Chromosera cyanophylla

                 8. Mushroom not with above combination of characteristics

                     9. Cap red-orange to orange to yellow-orange

                         10. Cap 7.5-20 cm wide ...................................................................Omphalotus illudens

                         10. Cap smaller, up to 4 cm wide.....................................................Hygrocybe cantharellus

                     9. Cap dark brown to yellow-brown or white to cream or grayish-brown

                         11. Cap yellow-brown with darker brown tufts of fibers or scales; occurs in
                               clusters at base of trees................................................................Armillaria tabescens

                         11. Cap color white to cream to grayish or grayish-brown; surface smooth, without tufts
                               of fibers or scales.................................................................Pleurotus ostreatus complex

         6. Spore print brownish; cap brownish, dry to slimy, smooth or covered with matted hairs;
             flesh, gills, and stalk bruise reddish- brown or brown on handling...................Paxillus involutus