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Table III
Origin and frequency of Armillaria species observed in Pyrenean silver fir (Abies alba) forests.
| Sample origin | Frequency | |||||||
|---|---|---|---|---|---|---|---|---|
| Armillaria | Soil | Stumps | Dead trees | Seedlings and | Area surrounding | Individual | Plots | |
| species | saplings | plot | samples | |||||
| A. cepistipes | 63% (42–81)1 | 74% (49–91) | 90% (55–100) | 100% (47–100) | 70% (46–88) | 72% (61–82) | 75% (53–90) | |
| A. gallica | 18% (6–38) | 21% (6–46) | 0% (0–26) | 0% (0–53) | 15% (3–38) | 15% (8–25) | 25% (10–47) | |
| A. ostoyae | 18% (6–38) | 5% (0–26) | 10% (0–45) | 0% (0–53) | 15% (3–38) | 13% (6–22) | 20% (7–42) | |
| Number of isolates | 27 | 19 | 10 | 4 | 20 | 80 | 242 | |