Post-treatment dominant herbaceous species over all four blocks by treatment for Ailanthus control plots on Skyline Drive in Shenandoah National Park, Virginia.
| Treatment | Overall three most dominant species | Average % coverz |
|---|---|---|
| Garlon 4 20% in HY-Grade EC | Impatiens capensis (jewelweed) | 60 |
| Mixed grassesy | 30 | |
| Eupatorium spp. (Joe Pye weed) | 20 | |
| Garlon 4 20% + 1% Stalker in | Mixed grasses | 40 |
| Hy-Grade EC | Aristolochia durior (Dutchman’s pipe) | 30 |
| Impatiens capensis (jewelweed) | 25 | |
| Garlon 4 15% + 3% Stalker in | Arctium minus (burdock) | 40 |
| Hy-Grade EC | Impatiens capensis (jewelweed) | 31 |
| Aristolochia durior (Dutchman’s pipe) | 20 | |
| Garlon 4 20% + 3% Stalker in | Mixed grasses | 40 |
| HY-Grade EC | Impatiens capensis (jewelweed) | 30 |
| Eupatorium spp. (Joe Pye weed) | 30 | |
| Garlon 4 20% + 5% Tordon K in HY-Grade EC | Mixed grasses | 40 |
| Impatiens capensis (jewelweed) | 30 | |
| Eupatorium spp. (Joe Pye weed) | 30 | |
| Garlon 4 20% + 5% Tordon K in CWC basal nix RTU | Mixed grasses | 40 |
| Aristolochia durior (Dutchman’s pipe) | 40 | |
| Eupatorium spp. (Joe Pye weed) | 30 | |
| Garlon 4 20% + 5% Tordon K in Exacto RTU | Eupatorium spp. (Joe Pye Weed) | 50 |
| Impatiens capensis (jewelweed) | 40 | |
| Mixed grasses | 30 | |
| Garlon 4 20% + 5% Tordon K in Arborchem RTU | Mixed grasses | 50 |
| Impatiens capensis (jewelweed) | 40 | |
| Sanguinara canadensis (bloodroot) | 30 | |
| Stalker 9% in Hy-Grade EC | Impatiens capensis (jewelweed) | 37 |
| Verbascum thapsus (mullein) | 30 | |
| Arctium minus (burdock) | 30 | |
| Manual cutting 3 in. above ground | Impatiens capensis (jewelweed) | 30 |
| Eupatorium spp. (Joe Pye weed) | 10 | |
| Aristolochia durior (Dutchman’s pipe) | 5 |