| Eastern Silvery Aster | Symphyotrichum | concolor | | 23 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Common Blue Wood Aster | Symphyotrichum | cordifolium | | 34 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Serpentine Aster | Symphyotrichum | depauperatum | | 14 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Drummond's Aster | Symphyotrichum | drummondii | | 5 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Rice Button Aster | Symphyotrichum | dumosum | | 20 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| White Heath Aster | Symphyotrichum | ericoides | | 9 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Smooth Blue Aster (concinnum) | Symphyotrichum | laeve var. concinnum | | 6 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Smooth Blue Aster | Symphyotrichum | laeve | | 11 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Smooth Blue Aster (laeve) | Symphyotrichum | laeve var. laeve | | 1 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| White Panicle Aster | Symphyotrichum | lanceolatum | | 112 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| White Panicle Aster (latifolium) | Symphyotrichum | lanceolatum var. latifolium | | 0 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| White Panicle Aster (lanceolatum) | Symphyotrichum | lanceolatum var. lanceolatum | | 6 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Calico Aster | Symphyotrichum | lateriflorum | | 103 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Lowrie's Aster | Symphyotrichum | lowrieanum | | 40 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| New England Aster | Symphyotrichum | novae-angliae | | 59 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| New York Aster | Symphyotrichum | novi-belgii | | 19 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Aromatic Aster | Symphyotrichum | oblongifolium | | 8 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Late Purple Aster | Symphyotrichum | patens | | 43 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Thin-leaved Late Purple Aster | Symphyotrichum | phlogifolium | | 5 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Hairy White Oldfield Aster (pringlei) | Symphyotrichum | pilosum var. pringlei | | 34 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Hairy White Oldfield Aster (pilosum) | Symphyotrichum | pilosum var. pilosum | | 6 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Hairy White Oldfield Aster | Symphyotrichum | pilosum | | 111 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Willow-leaved Aster | Symphyotrichum | praealtum | | 4 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Crooked-stemmed Aster | Symphyotrichum | prenanthoides | | 86 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Purple-stemmed Aster | Symphyotrichum | puniceum | | 96 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Smooth White Oldfield Aster | Symphyotrichum | racemosum | | 56 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Short's Aster | Symphyotrichum | shortii | | 10 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Eastern Annual Saltmarsh Aster | Symphyotrichum | subulatum | | 49 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Perennial Saltmarsh Aster | Symphyotrichum | tenuifolium | | 96 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| Wavy-leaved Aster | Symphyotrichum | undulatum | | 138 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |
| White Arrow-leaved Aster | Symphyotrichum | urophyllum | | 3 | Aster Family | Asteraceae | Asterales | Magnoliopsida | Plantae |