Key C

Small, Fragile Mushrooms; Cap Less Than 2 Inches Across, Stalk Slender

1
1. Mushroom on cones of conifers or on fallen magnolia fruits - - - 2
1. Not as above - - - 3

2      Back to 1
2. Cap smooth; moist; tan but fading on drying; only on conifer cones - - - Baeospora myosura p 738
2. Cap smooth to wrinkled and minutely hairy; dry; on both cones and magnolia fruits - - - Strobilurus pp. 797-798

3      Back to 1
3. On rotting mushrooms - - - 4
3. Not as above - - - 5

4      Back to 3
4. Cap smooth; gills crowded; rising from tuberlike structure - - - Collybia p. 757
4. Cap smooth or powdery; gills distant and malformed; not rising from tuber - - - Asterophora p. 738

5      Back to 3
5. On moss; gills descending stalk - - - 6
5. Habitat otherwise - - - 9

6      Back to 5
6. Gills branching or forked - - - 7
6. Gills not branching or forked - - - 8

7      Back to 6
7. Cap grayish, knobbed; gills white to creamy - - - Cantharellula umbonata p. 741
7. Mushrooms yellow to orange or reddish, or brownish with violet gills - - - Cantharellus pp. 387-393

8      Back to 6
8. Cap and stalk orange to ochre-orange; gills whitish - - - Rickenella flbula p. 796
8. Cap and stalk brownish to yellowish, dull; usually with lichen - - - Omphalina ericetorum p. 787

9      Back to 5
9. Growing with lichen - - - Omphalina ericetorum p. 787
9. Not as above - - - 10

10      Back to 9
10. Growing on burn sites, on ground in conifer areas - - - Myxomphalia maura p. 786
10. Not as above - - - 11

11      Back to 10
11. Growing in rows on Rubus (e.g., blackberry) canes - - - Marasmiellus albuscorticis p. 770
11. Not as above - - - 12

12      Back to 11
12. Growing on wood - - - 13
12. Not as above - - - 36

13      Back to 12
13. Gills descending stalk - - - 14
13. Gills not descending stalk - - - 25

14      Back to 13
14. Gills branching or forked - - - 15
14. Gills not branching or forked - - - 16

15      Back to 14
15. Cap and stalk orange to brownish orange; gills orange - - - Hygrophoropsis aurantiaca p. 669
15. Cap and stalk yellowish brown or darker; gills violet, yellowish or brownish - - - Cantharellus tubaeformis p. 392

16      Back to 14
16. Gill edges saw-toothed or uneven - - - Lentinellus pp. 764-765
16. Gill edges smooth - - - 17

17      Back to 16
17. Mushrooms associated with snowbanks - - - Mycena overholtzii p. 783
17. Not as above - - - 18

18      Back to 17
18. Mushroom associated with lichen - - - Omphalina ericetorum p. 787
18. Not as above - - - 19

19      Back to 18
19. Cap and stalk smoky ochre; gills bright yellow; spore print yellow - - - Gerronema chrysophylla p. 760
19. Not as above - - - 20

20      Back to 19
20. Cap yellowish, with blackish pointed scales; gills yellowish; spore print yellow - - - Clitocybe ectypoides p. 747
20. Not as above - - - 21

21      Back to 20
21. Often covering stumps; cap orange-brown; stalk tough with tawny hairs at base - - - Xeromphalina campanella p. 809
21. Not as above - - - 22

22      Back to 21
22. Clustered on decomposed wood or on ground (on buried wood); typically large - - - Armillariella tabescens p. 737
22. Not as above - - - 23

23      Back to 22
23. On logs or buried wood; stalk off-center; mushroom often vase shaped - - - Hohenbuehelia pp. 760-761
23. Not as above - - - 24

24      Back to 23
24. Blackish cap and scaly stalk; often large; in Pacific Northwest - - - Clitocybula atrialba p. 751
24. Brownish cap and smooth stalk; typically large; in Pacific Northwest - - - Clitocybe avellaneialba p. 744

25      Back to 13
25. Stalk usually "bendable," rubbery, or wiry thin - - - 26
25. Not as above - - - 29

26      Back to 25
26. Bruised mushroom with distinctive odor - - - 27
26. Not as above - - - 28

27      Back to 26
27. Odor garlic-like - - - Marasmius scorodonius pp. 774-775
27. Odor strongly fetid - - - Micromphale foetidum p. 778

28      Back to 26
28. Gills distant and forked or veined, attached or descending stalk - - - Marasmiellus nigripes pp. 770-771
28. Gills attached to or free from stalk; cap usually radially lined - - - Marasmius pp. 771-776

29      Back to 25
29. Cap usually bell-shaped; cap and stalk fleshy - - - Mycena pp. 778-786
29. Cap convex; cap fleshy and stalk tough to fibrous or brittle - - - 30

30      Back to 29
30. Cap, gills, and stalk lavender, aging somewhat brownish, gills crowded - - - Baeospora myriadophylla pp. 739-740
30. Gills distant, colored - - - 31
30. Not as above - - - 32

31      Back to 30
31. Cap, gills and stalk dark brown; about stumps; spore print white - - - Collybia alkalivirens pp. 753-754
31. Cap and gills violet; stalk whitish; on the ground; spore print white - - - Collybia iocephala pp. 755-756

32      Back to 30
32. Mushroom covered with golden granules; gills distant, whitish - - - Cyptotrama chrysopeplum pp. 758-759
32. Not as above - - - 33

33      Back to 32
33. Cap covered with long, coarse hairs and often zoned; stalk often hairy - - - Crinipellis p. 758
33. Not as above - - - 34

34      Back to 33
34. Cap slimy-sticky; stalk covered with dark brown "velvet;" often clustered - - - Flammulina velutipes p. 759
34. Not as above - - - 35

35      Back to 34
35. Cap and stalk reddish brown; fading on drying; densely clustered - - - Collybia acervata p. 753
35. Grayish buff cap with grayish-white stalk; densely clustered - - - Clitocybula familia p. 752

36      Back to 12
36. Gills descending stalk - - - 37
36. Gills not descending stalk - - - 47

37      Back to 36
37. Gills, when cut, exuding a white, colored or clear fluid - - - Lactarius pp. 680-696
37. Not as above - - - 38

38      Back to 37
38. Gills brittle, typically flaking when flicked with finger - - - Russula pp. 697-707
38. Not as above - - - 39

39      Back to 38
39. Gills branching or forked - - - 40
39. Gills not branching or forked - - - 42

40      Back to 39
40. Mushrooms yellow to orange or reddish; gills thick-edged and cross-veined - - - Cantharellus pp. 387-393
40. Not as above - - - 41

41      Back to 40
41. Mushroom dark orange to orange-brown; usually on or near conifer debris - - - Hygrophoropsis aurantiaca p. 669
41. Mushroom pinkish to buff; odor spicy fragrant; under conifers - - - Hygrophoropsis olida pp. 669-670

42      Back to 39
42. Gill edges saw-toothed or uneven - - - Lentinellus pp. 764-765
42. Gill edges smooth - - - 43

43      Back to 42
43. Gills waxy in look or feel - - - 44
43. Gills not waxy - - - 45

44      Back to 43
44. Mushrooms white, yellow, orange, red or green; gills often distant - - - Hygrophorus pp. 654-667
44. Mushrooms pinkish brown or purplish with pinkish to bright purplish gills - - - Laccaria pp. 762-763

45      Back to 43
45. Stalk central - - - 46
45. Stalk off-center to lateral, usually very short - - - Hohenbuehelia pp. 760-761

46      Back to 45
46. Gills typically long, descending stalk - - - 47
46. Gills only slightly descending stalk, if at all - - - Calocybe p. 740

47      Back to 36      Back to 46
47. Cup sunken in middle; usually associated with lichen - - - Omphalina ericetorum p. 787
47. Cap seldom sunken; usually large; a few spicy fragrant - - - Clitocybe pp. 744-751

 

 

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