1
1. Mushrooms tough to leathery or woody - - -
2
1. Mushrooms fleshy to firm - - -
10
2
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2. Mushrooms tough - - -
3
2. Mushrooms leathery to woody - - -
7
3
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3. Gill edges saw-toothed or uneven - - -
4
3. Gill edges smooth - - -
5
4
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4. Stalkless or funnel shaped - - -
Lentinellus p. 765
4. Stalk off-center or central - - -
Lentinus pp. 766-767
5
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5. Veil present over gills - - -
Tectella patellaris pp. 798-799
5. Veil absent - - -
6
6
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6. Mushroom often densely, coarsely hairy - - -
Panus p. 791
6. Mushroom somewhat hairy; gills often brownish; taste sharply acrid - - -
Panellus stipticus p. 790
7
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7. Mushroom fanlike; "gills" irregular, fleshy - - -
8
7. Mushroom shelflike; "gills" regular, leathery - - -
9
8
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8. Cap white-hairy; "gills" split lengthwise - - -
Schizophyllum commune pp. 493-494
8. Cap tan to brownish; "gills" crisped-curly and veined - - -
Plicaturopsis crispa p. 493
9
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9. Multizoned cap; white "gills"; usually on deciduous wood - - -
Lenzites betulinus pp. 469-470
9. Yellow-red to brown cap; brownish "gills", usually on conifer wood - - -
Gloeophyllum sepiarium p. 463
10
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10. Very small (less than one inch across) - - -
11
10. Medium to large - - -
14
11
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11. Mushroom white - - -
12
11. Mushroom blackish - - -
Resupinatus applicatus p. 795
12
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12. Stalk distinct; on berry canes - - -
Marasmiellus albuscorticis p. 770
12. Stalk stublike or absent; on wood - - -
13
13
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13. Mushroom dry, fleshy - - -
Cheimonophyllum candidissimus p. 743
13. Mushroom dry, but with gelatinized flesh; only on conifers - - -
Panellus mitis (see p. 744)
14
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14. Mushroom reddish to orange yellow with conspicuously netted cap - - -
Rhodotus palmatus p. 795
14. Not as above - - -
15
15
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15. Mushroom yellowish green to violet with yellowish gills - - -
Panellus serotinus pp. 789-790
15. Not as above - - -
16
16
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16. Stalk typically off-center and conspicuous - - -
17
16. Stalk typically lateral and very short, or absent - - -
19
17
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17. Mushroom yellowish - - -
Tricholomopsis sulfureoides. p. 809
17. Mushroom white to buff or tan - - -
18
18
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18. Typically single and often high on trees; cap cracking in age - - -
Hypsizygus tessulatus p. 761
18. Typically clustered at base of trees; long slender stalked - - -
Hypsizygus elongatipes (see p. 761)
19
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19. Mushroom vase shaped - - -
20
19. Mushroom shelflike - - -
21
20
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20. Gill edges smooth - - -
Hohenbuehelia pp. 760-761
20. Gill edges saw-toothed or uneven - - -
Lentinellus p. 764
21
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21. Gill edges saw-toothed or uneven - - -
Lentinellus p. 765
21. Not as above - - -
22
22
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22. Thin-fleshed; white; on decaying conifer wood - - -
Pleurocybella porrigens p. 792
22. Thick fleshed; white to gray or tan (or darker); typically on deciduous wood - - -
Pleurotus pp. 793-794
Mushroom, the journal for all seasons