MONTE SANO STATE PARK
Flat Rock
| Family | Scientific Name | Common Name | Dates | State Park | All Places |
| Acanthaceae | Ruellia strepens | Smooth Ruellia | 6/9 | 5/22-6/9 | 5/2-6/9 |
| Asclepiadaceae | Asclepias tuberosa | Butterfly Weed | 6/9 | 6/9 | 5/23-9/17 |
| Asteraceae | Polymnia canadensis | White-Flowered Leafcup | 6/9 | 5/22-10/10 | 5/14-10/29 |
| Cactaceae | Opuntia humifusa | Eastern Prickly Pear | 6/9 | 6/9 | 4/15-6/26 |
| Clusiaceae | Hypericum sphaerocarpum | Rough-Fruited St. John's Wort | 6/9 | 6/9-7/15 | 5/26-7/23 |
| Lamiaceae | Monarda fistulosa | Wild Bergamot | 6/9 | 6/9 | 5/16-7/9 |
| Rosaceae | Geum virginianum | Cream Avens | 6/9 | 6/9 | 5/5-6/9 |
| Rubiaceae | Houstonia purpurea | Large Houstonia | 6/9 | 5/15-6/9 | 4/10-8/21 |
| Verbenaceae | Verbena simplex | Narrow-Leaved Vervain | 6/9 | 6/9 | 4/29-8/6 |