Approach | Plant tree | Fungal tree | Costs | Cospeciation | Duplication | Host shift | Sorting events | Nb of events | Total cost | P |
Keeping one strain per host species | Max | A1 | C | 6 | 0.5 | 16.5 | 2.5 | 25.5 | 32 | 0.0048** |
 |  |  | D | 1 | 0 | 22 | 0 | 23 | 0 | 0.0371* |
 |  | A2 | C | 7 | 0.5 | 15.5 | 3.5 | 26.5 | 31 | 0.0042** |
 |  |  | D | 1 | 0 | 22 | 0 | 23 | 0 | 0.0399* |
 | Min | A1 | C | 4 | 0 | 19 | 1 | 24 | 36 | 0.0430* |
 |  |  | D | 1 | 0 | 22 | 0 | 23 | 0 | 0.0364* |
 |  | A2 | C | 5 | 0 | 18 | 2 | 25 | 35 | 0.0291* |
 |  |  | D | 1 | 0 | 22 | 0 | 23 | 0 | 0.0434* |
Keeping a single representative per fungal species | MinT | B1 | C | 3 | 0 | 12 | 2 | 17 | 30 | 0.0652 |
 |  |  | D | 0.5 | 0 | 14.5 | 0 | 15 | 0 | 0.3209 |
 |  | B2 | C | 3 | 0 | 12 | 2 | 17 | 23 | 0.0903 |
 |  |  | D | 0.5 | 0 | 14.5 | 0 | 15 | 0 | 0.3355 |
 | MaxT | B1 | C | 1 | 0 | 14 | 1.5 | 16.5 | 30 | 0.1937 |
 |  |  | D | 0 | 0 | 15 | 0 | 15 | 0 | 1 |
 |  | B2 | C | 1 | 0 | 14 | 1.5 | 16.5 | 30 | 0.2331 |
 |  |  | D | 0 | 0 | 15 | 0 | 15 | 0 | 1 |