MONTE SANO STATE PARK
Arrowhead Trail
| Family | Scientific Name | Common Name | Dates | State Park | All Places |
| Anacardiaceae | Rhus aromatica | Fragrant Sumac | 3/18 | 3/12-3/18 | 3/11-4/6 |
| Asteraceae | Antennaria plantaginifolia | Plantain-Leaved Pussytoes | 3/18 | 3/18-4/26 | 3/18-4/28 |
| Berberidaceae | Jeffersonia diphylla | Twinleaf | 3/18 | 3/18-4/6 | 3/18-4/6 |
| Brassicaceae | Dentaria laciniata | Cut-Leaved Toothwort | 3/18 | 3/5-4/10 | 2/19-4/10 |
| Euphorbiaceae | Euphorbia mercurialina | Mercury Spurge | 3/18 | 3/18-5/23 | 3/18-5/30 |
| Lauraceae | Lindera benzoin | Northern Spicebush | 3/18 | 3/5-3/24 | 3/5-3/28 |
| Liliaceae | Erythronium americanum | Yellow Trout Lily | 3/18 | 3/12-3/24 | 3/1-4/10 |
| Liliaceae | Nothoscordum bivalve | False Garlic | 3/18 | 3/12-5/1 | 3/7-10/16 |
| Liliaceae | Trillium cuneatum | Little Sweet Betsy | 3/18 | 3/18-5/4 | 3/11-5/4 |
| Polemoniaceae | Phlox divaricata | Wild Blue Phlox | 3/18 | 3/10-5/4 | 3/10-5/4 |
| Portulacaceae | Claytonia virginica | Virginia Spring Beauty | 3/18 | 3/5-4/17 | 1/27-4/23 |
| Ranunculaceae | Anemone acutiloba | Sharp-Lobed Hepatica | 3/18 | 2/19-4/2 | 1/1-4/12 |
| Ranunculaceae | Thalictrum thalictroides | Rue Anemone | 3/18 | 3/4-4/24 | 3/1-5/8 |
| Rosaceae | Amelanchier arborea | Common Serviceberry | 3/18 | 3/18 | 3/5-4/19 |
| Violaceae | Viola rostrata | Long-Spurred Violet | 3/18 | 3/10-4/17 | 2/19-5/1 |
| Violaceae | Viola sororia | Common Blue Violet | 3/18 | 3/18-4/24 | 3/4-4/27 |