STEM SHAPE
|
 Hollow |
| Chives |
| Cord-Grass (Common) |
| Couch (Sand) |
| Dandelion |
| Dogstail (Crested) |
| Hair-Grass (Wavy) |
| Hogweed |
| Hogweed (Giant) |
| Maize |
| Moor-Grass (Purple) |
| Spearwort (Greater) |
| Thistle (Milk) |
| Watercress (Narrow-Fruited) |
| Japanese knotweeds |
| Maize |
| Three Cornered Garlic [hollow triangular, not round] |
| Few flowered Garlic [hollow triangular, not round] |
| Ramsons [hollow triangular, not round] |
| some other Umbellifers: Cow Parsley?, Angelica |
| Dill |
| Bamboo |
| Many grasses |
| etc, etc |
 |