Pre-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 % cover* |
|---|---|---|
| Garlon 4 20% in HY-Grade EC | Alliaria petiolata (garlic mustard) | 58 |
| Impatiens capensis (jewelweed) | 40 | |
| Aristolochia durior (Dutchman’s pipe) | 40 | |
| Garlon 4 20% + 1% Stalker in | Alliaria petiolata (garlic mustard) | 67 |
| HY-Grade EC | Osmorhiza longistylis (sweet cicely) | 40 |
| Arctium minus (burdock) | 32 | |
| Garlon 4 15% + 3% Stalker in | Alliaria petiolata (garlic mustard) | 57 |
| HY-Grade EC | Impatiens capensis (jewelweed) | 40 |
| Hydrophyllum virginianum (Virginia waterleaf) | 20 | |
| Garlon 4 20% + 3% Stalker in | Alliaria petiolata (garlic mustard) | 57 |
| HY-Grade EC | Arctium minus (burdock) | 30 |
| Toxicodendron radicans (poison ivy) | 15 | |
| Garlon 4 20% + 5% Tordon K | Alliaria petiolata (garlic mustard) | 75 |
| in CWC basal mix RTU | Eupatorium spp. (Joe Pye weed) | 27 |
| Impatiens capensis (jewelweed) | 20 | |
| Garlon 4 20% + 5% Tordon K | Alliaria petiolata (garlic mustard) | 60 |
| in Exacto RTU | Bromus sterillis (bromegrass) | 50 |
| Arctium minus (burdock) | 20 | |
| Garlon 4 20% +5% Tordon K | Alliaria peiolata (garlic mustard) | 62 |
| in Arborchem RTU | Impatiens capensis (jewelweed) | 20 |
| Arctium minus (burdock) | 20 | |
| Stalker 9% in HY-Grade EC | Alliaria petiolata (garlic mustard) | 67 |
| Gillenia trifoliata (bowman’s root) | 20 | |
| Aristolochia durior (Dutchman’s pipe) | 20 | |
| Manual cutting 3 in. above | Alliaria petiolata (garlic mustard) | 67 |
| ground | Osmorhiza longistyllis (sweet cicely) | 30 |
| Arctium minus (burdock) | 20 |
↵*Average cover may be greater than 100% because coverage was averaged over four blocks by species.