TABLE 2.
A comparison of species in the Fomitopsis pinicola complex.
| Species | Distribution | Basidio- | Pileal surface | Host | Pores (per mm) | Cystidia (μm) | Basidiospores | References | |
| carps | when fresh | L × W (μm) | Q = L/W | ||||||
| F. abieticola | Southwestern China | Annual to perennial; pileate | Cream to pinkish buff | Abies | 2–4 | 17.5–50.2 × 4.3–9.5 | 7–9 × 4–5 | 1.83–1.89 | This study |
| F. hengduanensis | High altitude areas of the Hengduan Mountains of southwestern China | Annual to perennial; pileate | Pale dark gray to reddish brown at base and cream to flesh-pink toward the margin | Picea, Pinus | 6–8 | 13.2–36.5 × 2.5–5.4 | 5.2–6 × 3.2–3.6 | 1.57–1.63 | This study |
| F. kesiyae | Tropical areas of Vietnam | Annual; pileate | Buff yellow to orange-yellow buff | Pinus kesiya | 6–8 | 11.5–30.4 × 2.6–6 | 4.8–5.3 × 3–3.5 | 1.60–1.65 | This study |
| F. massoniana | Southeastern China | Annual; effused-reflexed to pileate | Buff-yellow to apricot-orange | Pinus massoniana | 5–7 | 14.8–36 × 3.8–6 | 6.2–7.3 × 3.3–4 | 1.85–1.9 | This study |
| F. mounceae | Canada, northern United States | Perennial; pileate | Brownish orange to black at base and pale orange to grayish orange toward the margin | Abies, Betula, Larix, Picea, Populus, Pseudotsuga | 3–5 | 16–35 × 3–6.5 | 5.8–6.6 × 3.4–4 | 1.7–1.9 | Haight et al., 2019 |
| F. ochracea | Canada, northern United States | Perennial; pileate | Brownish gray to grayish brown at base and orange White to pale orange toward the margin | Abies, Picea, Populus | 4–5 | 20–40 × 4–6.5 | 5.1–5.9 × 3.6–4 | 1.3–1.4 | Haight et al., 2019 |
| F. pinicola | Europe | Perennial; pileate | Brownish orange to black at base and buff-yellow to cinnamon toward the margin | Mostly on Picea and Pinus, occasionally on other different gymnosperm or angiosperm wood | 4–6 | 18–60 × 3–9 | 6–9 × 3–4.5 | 1.8–2.2 | Ryvarden and Melo, 2014; Haight et al., 2016, 2019 |
| F. schrenkii | Western and southwestern United States | Perennial; effused-reflexed to pileate | Grayish orange to olive brown at base and grayish orange to grayish yellow toward the margin | Abies, Picea, Pinus, Pseudotsuga | 3–4 | 16–30 × 3–8 | 5.7–6.7 × 3.7–4.2 | 1.5–1.6 | Haight et al., 2019 |
| F. subpinicola | Northeastern China | Annual; pileate | Apricot-orange, scarlet to fuscous | Mostly on Pinus koraiensis, occasionally on Larix, Betula | 6–8 | 14.5–34.6 × 3.2–7.2 | 4.3–5.5 × 2.7–3.3 | 1.65–1.69 | This study |
| F. tianshanensis | Tianshan Mountains of northwestern China | Annual to perennial, effused-reflexed to pileate | Dark bluish gray to yellowish brown | Picea | 1–3 | 15.5–44 × 3.3–6.5 | 6.3–7 × 3.2–3.8 | 1.9–1.96 | This study |