| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Pycnanthemum | tenuifolium | 323 |
| 2 | Pycnanthemum | virginianum | 289 |
| 3 | Pycnanthemum | muticum | 64 |
| 4 | Pycnanthemum | incanum | 57 |
| 5 | Pycnanthemum | albescens | 57 |
| 6 | Pycnanthemum | verticillatum | 23 |
| 7 | Pycnanthemum | pycnanthemoides | 6 |
| 8 | Pycnanthemum | loomisii | 4 |
| 9 | Pycnanthemum | montanum | 4 |
| 10 | Pycnanthemum | setosum | 3 |
| 11 | Pycnanthemum | californicum | 2 |
| 12 | Pycnanthemum | flexuosum | 1 |
| 13 | Pycnanthemum | curvipes | 1 |
| 14 | Pycnanthemum | clinopodioides | 1 |