70 Olive — day 1
57 Olive — day 6
56 Olive — day 4
30 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| 1 | 5 (Low) | 1 (Low) | 37 (Medium) | 5 (Low) | 70 (Medium) |
| 2 | 11 (Low) | 0 (Low) | 43 (Medium) | 10 (Low) | 51 (Medium) |
| 3 | 5 (Low) | 0 (Low) | 26 (Low) | 9 (Low) | 22 (Low) |
| 4 | 1 (Low) | 1 (Low) | 38 (Medium) | 9 (Low) | 56 (Medium) |
| 5 | 1 (Low) | 0 (Low) | 15 (Low) | 0 (Low) | 16 (Low) |
| 6 | 2 (Low) | 0 (Low) | 18 (Low) | 5 (Low) | 57 (Medium) |
| 7 | 2 (Low) | 0 (Low) | 14 (Low) | 2 (Low) | 50 (Medium) |
| 8 | 1 (Low) | 0 (Low) | 19 (Low) | 1 (Low) | 29 (Low) |
| 9 | 0 (Low) | 2 (Low) | 10 (Low) | 4 (Low) | 23 (Low) |
| 10 | 2 (Low) | 0 (Low) | 16 (Low) | 2 (Low) | 16 (Low) |
| 11 | 1 (Low) | 2 (Low) | 11 (Low) | 1 (Low) | 9 (Low) |
| 12 | 2 (Low) | 3 (Low) | 5 (Low) | 4 (Low) | 11 (Low) |
| 13 | 1 (Low) | 2 (Low) | 7 (Low) | 3 (Low) | 10 (Low) |
| 14 | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 3 (Low) |
| 15 | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 2 (Low) |
| 16 | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 4 (Low) |
| 17 | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 2 (Low) |
| 18 | 0 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| 19 | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 3 (Low) |
| 20 | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 4 (Low) |
| 21 | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 3 (Low) |
| 22 | 1 (Low) | 0 (Low) | 11 (Low) | 3 (Low) | 2 (Low) |
| 23 | 0 (Low) | 0 (Low) | 15 (Low) | 3 (Low) | 1 (Low) |
| 24 | 1 (Low) | 0 (Low) | 8 (Low) | 3 (Low) | 4 (Low) |
| 25 | 0 (Low) | 0 (Low) | 11 (Low) | 3 (Low) | 2 (Low) |
| 26 | 0 (Low) | 0 (Low) | 4 (Low) | 6 (Low) | 2 (Low) |
| 27 | 1 (Low) | 0 (Low) | 14 (Low) | 4 (Low) | 3 (Low) |
| 28 | 0 (Low) | 0 (Low) | 24 (Low) | 9 (Low) | 2 (Low) |
| 29 | 0 (Low) | 0 (Low) | 18 (Low) | 3 (Low) | 2 (Low) |
| 30 | 0 (Low) | 0 (Low) | 3 (Low) | 3 (Low) | 2 (Low) |