| Gentiana alba Plain gentian View 1 images |  |
| Gentiana andrewsii Closed bottle gentian View 9 images |  |
| Geranium maculatum Spotted geranium View 26 images |  |
| Gymnocladus dioicus Kentucky coffeetree View 3 images |  |
| Hamamelis virginiana Witch hazel View 30 images |  |
| Helenium autumnale Common sneezeweed View 9 images |  |
| Heliopsis helianthoides Smooth oxeye View 14 images |  |
| Heuchera richardsonii Richardson's alumroot View 4 images |  |
| Hypericum prolificum Shrubby st. johnswort View 8 images |  |
| Hydrophyllum virginianum Eastern waterleaf View 7 images |  |
