(b).
| Fatty acid | Taxa no. | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | |
| C9:0 | — | — | — | 6.7 | — | — | 3.8 | — | — | — | Tr | — | — | — | 1.5 | — | — |
| C10:0 | — | 2.3 | — | 3.8 | Tr | — | 1.6 | — | — | — | Tr | — | 4.9 | 8.5 | — | — | — |
| C12:0 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | 4.2 |
| C14:0 | — | — | — | — | Tr | — | — | — | — | — | 0.6 | — | — | — | — | — | — |
| C15:0 | 1.6 | — | — | — | 0.84 | — | 1.91 | — | 3.29 | — | 0.74 | — | 4.3 | — | 1.7 | — | — |
| C16:0 | 28.3 | 34.9 | 41 | 25.1 | 29.9 | 41 | 29.8 | 25.2 | 45.7 | 27.3 | 13.8 | 27.9 | 9.6 | 14.5 | 35.1 | 7.4 | 34 |
| C18:0 | — | 13.7 | 13.7 | 12.2 | 15.6 | 16.4 | 9.6 | 5.6 | 24.4 | 10.4 | 2.2 | 7.9 | — | — | 13 | — | 12.1 |
| C8:0 3OH | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3.1 |
| C12:0 2-Me | — | — | — | — | — | — | — | — | — | — | — | — | 2.5 | 6.3 | — | — | — |
| C14:0 2-Me | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4.1 |
| C17:0 3OH | — | — | — | — | — | — | — | — | — | — | — | — | 14.6 | — | — | — | — |
| C18:1 2OH | — | — | — | — | — | — | — | — | — | — | 1.3 | — | — | — | — | — | — |
| C16:1ω5c | 2.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| C16:1ω7c alcohol | — | — | — | — | — | 5.6 | — | — | — | — | Tr | — | 5.2 | — | — | — | — |
| C16:1cis-9 (ω7c) | — | — | — | — | — | — | — | — | — | — | 1.2 | — | — | — | — | — | — |
| C16:1cis-11 (ω5c) | — | — | — | — | 1.9 | — | — | — | — | — | — | — | — | — | — | — | — |
| C17:1cis-10 (ω7c) | — | — | — | — | — | — | — | — | — | — | — | — | 3.5 | — | — | — | — |
| C18:2cis-9,12 | 25.3 | 15.7 | 29.3 | 6.2 | 24.8 | — | 32.9 | 18.4 | 9.4 | 7.3 | — | 23.2 | — | 12.3 | 10.7 | 15.2 | — |
| C18:3cis-6,12,14 | — | — | — | — | — | — | — | — | — | — | 24.1 | — | — | — | — | — | — |
| C19:1trans-7 (ω9c) | 5.6 | — | — | — | — | 14 | — | — | — | — | 1.2 | — | — | — | 2.3 | 6.9 | 3.9 |
| Iso-C10:0 | — | — | — | — | — | — | — | — | — | — | Tr | — | 4.4 | — | — | — | — |
| Iso-C14:1 | — | — | — | — | — | — | — | — | — | — | Tr | — | 4.3 | — | — | — | — |
| Iso-C15:1 | — | — | — | — | — | — | — | — | — | — | — | — | 8.9 | — | — | — | — |
| Iso-C17:1 G (ω11c) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5.7 |
| Iso-C18:1 | — | — | — | — | — | — | — | — | — | — | Tr | — | 5 | — | — | — | — |
| Iso-C19:0 | — | — | — | — | — | — | — | — | — | — | 1.2 | — | — | — | — | — | — |
| Anteiso-C14:0 | — | 14.9 | 7.9 | 25.9 | 1.8 | 23.0 | 5.4 | 10.8 | 17.2 | 7.4 | 2.3 | 6 | 16.1 | 31.8 | — | 65.5 | 12.6 |
| Anteiso-C15:0 | — | — | — | — | — | — | — | — | — | — | 0.4 | — | 3.9 | — | — | — | 2.9 |
| Anteiso-C16:0 | — | — | — | — | — | — | — | — | — | — | — | — | 3.2 | — | — | — | — |
| Anteiso-C17:0 | — | — | — | — | — | — | — | — | — | — | — | — | 4.5 | — | — | — | — |
| Summed feature 1∗ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16.9 |
| Summed feature 8∗ | 42.6 | 18.6 | 8.1 | 8.7 | 23.9 | — | 15 | 40.1 | — | 43.2 | 48.2 | 35.0 | — | 26.7 | 35.1 | — | — |
| Summed feature 12∗ | — | — | — | 11.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Total unsaturated | 33.2 | 15.6 | 29.3 | 6.2 | 26.7 | 19.5 | 32.9 | 18.4 | 9.4 | 7.3 | 29.3 | 23.1 | 27 | 12.3 | 12.9 | 27 | 9.5 |
| Total saturated | 29.9 | 65.7 | 62.6 | 73.7 | 49.3 | 80.4 | 52 | 41.5 | 90.5 | 45.1 | 22.4 | 41.7 | 68.7 | 61 | 51.2 | 72.9 | 66.4 |
| Summed feature | 42.6 | 18.5 | 8.1 | 20.1 | 23.9 | 0 | 15 | 40.1 | 0 | 43.2 | 48.2 | 35 | 0 | 26.7 | 35.1 | 0 | 16.9 |
| Ratio U : Sa | 1.1 | 0.2 | 0.4 | 0.08 | 0.5 | 0.2 | 0.6 | 0.4 | 0.1 | 0.1 | 1.3 | 0.5 | 0.3 | 0.2 | 0.2 | 0.3 | 0.1 |
Taxa no.: 1—P. abalonus; 2—P. abieticola; 3—P. australis; 4—P. calyptratus; 5—P. citrinopileatus; 6—P. columbinus; 7—P. cornucopiae; 8—P. cystidiosus; 9—P. djamor; 10—P. dryinus; 11—P. elongatipes; 12—P. eous; 13—P. eryngii; 14—P. euosmus; 15—P. eryngii var. ferulae; 16—P. flabellatus; 17—P. ostreatus∗ (P. florida); 18—P. ostreatus∗∗ (P. floridanus); 19—P. fossulatus; 20—P. fuscus; 21—P. fuscus var. ferulae; 22—P. incarnatus; 23—P. nebrodensis; 24—P. opuntiae; 25—P. ostreatoroseus; 26—P. ostreatus; 27—P. populinus; 28—P. pulmonarius; 29—P. purpureo-olivaceus; 30—P. rattenburyi; 31—P. salmoneostramineus; 32—P. sapidus; 33—P. smithii; 34—P. spodoleucus; 35—P. subareolatus; 36—P. tuber-regium. Fatty acid profiles were presented in percent area (% of total area). —: not detected. Tr: small amounts (less than 1%) are not shown. ∗Summed features are groups of two or three fatty acids that cannot be separated by GLC with the MIDI system. Summed feature 1 comprised C14: lω5c, C14: lω5t, or both. Summed feature 8 comprised C18:1ω7c and/or C18:1ω6c; summed feature 2 comprised C14:0 3OH and/or iso-C16:1 I. Summed feature 8 comprised C18:1ω7c and/or C18:1ω6c. Summed feature 12 comprised iso-C17:1ω9c and/or C16:0 10-Me. Summed feature 4 comprised C16:1ω7c/iso-C15:0. aRatio of unsaturated : saturated fatty acids. Fatty acid profiles are presented in percent area (% of total area). For the same species, values on the same row followed by the same letter are not significantly different according to the least squares means (LS means) test (P < 0.05).