| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Symphyotrichum ×amethystinum | Amethyst Aster | Moist fields, prairies, disturbed areas. | NH west to ND, south to NJ, PA, IN, IL, MO, KS, and CO. | |
| Asteraceae | Symphyotrichum adnatum | Scale-leaf Aster | Longleaf pine sandhills, pine flatwoods, pine rocklands. | S. GA south to s. FL, west to se. LA; n. Bahamas. |  |
| Asteraceae | Symphyotrichum anomalum | Manyray Aster | Glades, upland prairies, oak savannas, woodlands, and forests. | C. IL and n. MO south to s. AR and se. OK. |  |
| Asteraceae | Symphyotrichum attenuatum | Gulf Coast Smooth Aster | Calcareous prairies, open dry woodlands. | TX and LA north to AR | |
| Asteraceae | Symphyotrichum bahamense | Bahama Salt-marsh Aster | Salt, brackish, and fresh marshes, ditches, wet areas. | E. GA and e. FL Panhandle south to s. FL; apparently disjunct in se. LA (Urbatsch 2013); Bahamas. |  |
| Asteraceae | Symphyotrichum boreale | Rushlike Aster, Northern Bog Aster | Calcareous wetlands. | NL (Newfoundland) west to AK, south to n. NJ, ne. PA, nw. PA, WV, OH, IN, IL, IA, NE, CO, ID, and WA. Reported for WV (Barbour, Fayette, Nicholas, and Randolph counties), PA, and NJ. |  |
| Asteraceae | Symphyotrichum bracei | Brace’s Aster | Brackish marshes. | Panhandle FL south to s. FL; Bahamas; Cuba. |  |
| Asteraceae | Symphyotrichum chapmanii | Chapman's Aster | Pine flatwoods and seepage bogs. | Endemic to Panhandle FL and s. AL; reports from Alachua County in the n. peninsula and St. Lucie County much farther south appear to be correctly identified. |  |
| Asteraceae | Symphyotrichum concinnum | Harmonious Aster, Narrow-leaved Smooth Aster | Dry woodlands and prairies over mafic or calcareous rocks. | NY and KY south to GA, Panhandle FL (Jackson County), and MS. |  |
| Asteraceae | Symphyotrichum concolor var. concolor | Eastern Silvery Aster | Longleaf pine sandhills, Piedmont woodlands, forest edges, pine rocklands, roadbanks. | MA and NY south to s. FL, west to LA, inland less commonly to TN and KY. Reports of Symphyotrichum concolor for the Bahamas are based on Symphyotrichum lucayanum (Britton) Nesom. |  |
| Asteraceae | Symphyotrichum concolor var. devestitum | Gulf Coast Silvery Aster | Pine savannas. | Panhandle FL, maybe extending to GA, AL, and SC. |  |
| Asteraceae | Symphyotrichum cordifolium | Heart-leaved Aster, Blue Wood Aster | Rich forests, shaded roadbanks. | NB west to ON and e. ND, south to Panhandle FL and ne. TX. See Holmes & Singhurst (2021) for information on Texas occurrence. |  |
| Asteraceae | Symphyotrichum depauperatum | Serpentine Aster | Glades and barrens over ultramafic (serpentine) or mafic (diabase) rocks. | MD and se. PA; disjunct southward in nc. NC. Falsely reported for Hardy County, WV (Harmon, Ford-Werntz, & Grafton 2006, Strausbaugh & Core 1978). |  |
| Asteraceae | Symphyotrichum divaricatum | Annual Water Aster, Midwestern Saltmarsh Aster, Yard Aster | Ponds, swamps, ditches, other wet disturbed areas, including mowed fields, yards, periodically flooded floodplains; eastwards in waste areas near wool-combing mills. | TN, MO, e. NE and n. NM south to GA, AL, MS, LA, TX, and Mexico. |  |
| Asteraceae | Symphyotrichum drummondii | Hairy Heart-leaved Aster | Mesic to dry forests, especially over calcareous soils | PA, OH, MI, WI, MN, and NE, south to MD, WV, TN, AL, MS, and LA (including the Florida Parishes). |  |
| Asteraceae | Symphyotrichum dumosum var. dumosum | Long-stalked Aster | Old fields, disturbed areas, pastures. | NB, WV, IN, IL, OK south to FL and TX. |  |
| Asteraceae | Symphyotrichum dumosum var. gracilipes | Pine savannas. | SC south to FL, west to LA. |  | |
| Asteraceae | Symphyotrichum dumosum var. pergracile | {habitats}. | Endemic (allegedly) to NC and SC. |  | |
| Asteraceae | Symphyotrichum dumosum var. strictior | Woodlands and glades over mafic rock. | NH, ON, and WI south to NC and MO. |  | |
| Asteraceae | Symphyotrichum dumosum var. subulifolium | Depression ponds, calcareous prairies, dry clayey sites, {other habitats}. | ME south to FL, west to TX. |  | |
| Asteraceae | Symphyotrichum elliottii | Southern Swamp Aster, Elliott's Aster | Bogs, swamps, and marshes, mainly in the outer Coastal Plain, on tree bases, hummocks, and stumps in tidal freshwater swamps, especially where salinities may occasionally exceed 5-10 ppt. | Se. VA south to s. FL, west to LA. The Jones & Coile (1988) record for n. GA and records in the NC Mountains (Kartesz (2020) are rejected (misidentifications of S. puniceum). |  |
| Asteraceae | Symphyotrichum ericoides var. ericoides | Heath Aster, Squarrose White Aster | Limestone glades, prairies, other open, calcareous situations. | ME, NL (Labrador), ON, ND, CO, and UT, south to VA, MS, LA (Kelley 2022c), TX, and Mexico (CHH, COA, HGO, NLE, VER). |  |
| Asteraceae | Symphyotrichum estesii | May Prairie Aster | Wet clay-pan prairie. | Apparently endemic (at least now, probably formerly more widespread) to May Prairie (Coffee County, TN, Eastern Highland Rim). | |
| Asteraceae | Symphyotrichum eulae | Eula's Aster | River bottoms, ditches, usually on heavy clay soils. | Endemic to nc. TX south to e., se., and sc. TX. | |
| Asteraceae | Symphyotrichum expansum | Pond margins, disturbed wet areas. | FL Panhandle and peninsula, AL, OK, UT, NV, and CA south through Mexico and Central America to n. South America; West Indies. | ||
| Asteraceae | Symphyotrichum falcatum var. commutatum | White Prairie Aster | Prairies, open areas. | ON south to c. and possibly e. TX, west to AB and AZ, and south into Mexico. | |
| Asteraceae | Symphyotrichum firmum | Shining Aster | Peaty wetlands and seepages, fens, wet prairies. | QC west to ND, south to WV, NC, and IA. Distribution poorly understood because of confusion with S. puniceum. |  |
| Asteraceae | Symphyotrichum fontinale | Wet pinelands, marshes. | E. Panhandle FL and sw. GA south to s. FL. |  | |
| Asteraceae | Symphyotrichum georgianum | Georgia Aster | Dry, rocky woodlands, woodland borders, roadbanks, powerline rights-of-way, primarily in places that formerly would have burned and likely been post oak or blackjack oak woodlands or savannas, also in thin soils around granitic flatrocks. | Sc. NC south to c. GA and west to c. AL; apparently disjunct on the Coastal Plain of sw. GA and e. Panhandle FL (Leon County). |  |
| Asteraceae | Symphyotrichum grandiflorum | Big-headed Aster | Dry woodlands, forest edges; roadbanks and powerline rights-of-way. | E. and c. VA south through e. and c. NC to nc. SC. |  |
| Asteraceae | Symphyotrichum hesperium | Siskiyou Aster | Stream banks, ditches. | ON and NT south to MI, IA, KS, CO, w. TX, NM, AZ, CA, and Mexico. Reported for ne. OK and nc. and se. TX by Kartesz (2021). | |
| Asteraceae | Symphyotrichum kentuckiense | Miss Price's Aster, Sadie's Aster | Limestone glades. | C. KY south through c. TN to nw. GA and n. AL. |  |
| Asteraceae | Symphyotrichum kralii | Drawdown zones of limesink ponds. |  | ||
| Asteraceae | Symphyotrichum laeve | Smooth Blue Aster | Mesic hardwood forests. | NS west to MB, south to GA, LA, and OK. |  |
| Asteraceae | Symphyotrichum lanceolatum var. hirsuticaule | Hairy White Panicled Aster | Wetlands over glacial deposits. | ON west to MB, south to n. OH, n. IN, s. IL, and IA. |  |
| Asteraceae | Symphyotrichum lanceolatum var. interior | Small-flowered White Panicled Aster | Bottomlands and other moist areas. | NH west to MN, south to PA, KY, AR, and OK. |  |
| Asteraceae | Symphyotrichum lanceolatum var. lanceolatum | Tall White Aster, Common Panicled Aster | Moist soils. | NL (Newfoundland) west to SK, south to PA (Rhoads & Klein 1993), VA (reported in FNA), NC, SC (?), TN, MS, LA, and TX. Reported for Ashe County, NC (Poindexter & Murrell 2008). |  |
| Asteraceae | Symphyotrichum lanceolatum var. latifolium | Broad-leaved White Panicled Aster | Bottomlands, other moist sites. | ME west to MB, south to e. Panhandle FL and TX. |  |
| Asteraceae | Symphyotrichum lateriflorum | Starved Aster, Goblet Aster | Mesic to dry upland forests and woodlands, swamps, wet pine flatwoods, clearings, old fields, roadsides, other disturbed areas. | NB west to MB, south to s. peninsular FL and e. TX. |  |
| Asteraceae | Symphyotrichum lowrieanum | Smooth Heart-leaved Aster | Mesic to dry-mesic forests. | MA, NY, and ON, south to w. VA, w. NC, ne. GA, e. TN, and c. TN. | |
| Asteraceae | Symphyotrichum novae-angliae | New England Aster, Michaelmas-daisy | Wet meadows, bogs, prairies. | NS west to MT, south to GA, wc. AL, c. MS, s. AR, OK, and NM. |  |
| Asteraceae | Symphyotrichum novi-belgii var. elodes | New York Aster | Wet pine savannas, marshes. | NB south to NY, apparently disjunct southward from e. MD south to e. SC and e. GA. |  |
| Asteraceae | Symphyotrichum novi-belgii var. novi-belgii | New York Aster | Wetlands. | NL (Newfoundland) and NL (Labrador) south to MD. |  |
| Asteraceae | Symphyotrichum oblongifolium | Eastern Aromatic Aster, Shale-barren Aster | Rock outcrops and dry woodlands over limestone, calcareous shale, calcareous prairies | NY, WI, MN, and MT, south to sc. VA, w. NC, nc. AL, n. MS, TX, and NM. |  |
| Asteraceae | Symphyotrichum ontarionis var. ontarionis | Bottomland Aster | Bottomlands, swamps, bogs. | QC, ON, MN, and SD, south to WV, GA, AL, MS, LA, and TX. |  |
| Asteraceae | Symphyotrichum oolentangiense var. oolentangiense | Azure Aster | Prairies, glades. | NY, ON, MN, and SD, south to Panhandle FL and TX. Reported for GA (Kartesz 1999) on the basis of Fernald (1950), and also reported for GA in FNA. East to sw. TN (Chester, Wofford, & Kral 1997), AL, and Panhandle FL (Wunderlin & Hansen 2008). |  |
| Asteraceae | Symphyotrichum oolentangiense var. poaceum | Calcareous prairies and barrens, longleaf pine woodlands, other open (and especially sandy) woodlands. | MO, AR, south to se. TX. |  | |
| Asteraceae | Symphyotrichum parviceps | Small-headed Aster | Upland prairies, woodlands, dry areas. | IL and IA south to MO, KS, and ne. OK (reported but not verified for AR). |  |
| Asteraceae | Symphyotrichum patens var. gracile | Dry woodlands and prairies. | Var. gracile, as defined more narrowly by R. Jones (1983), ranges east to se. LA, s. MS, and s. AL from a core range in LA, e. and c. TX, and OK. |  | |
| Asteraceae | Symphyotrichum patens var. patens | Common Clasping Aster | Dry woodlands, longleaf pine sandhills, roadsides, woodland edges, clearings, roadbanks. | Var. patens ranges from VT and NY west to PA, s. OH, s. IN, s. MO, and se. KS, south to e. GA, ne. FL, Panhandle FL, s. AL, s. MS, s. LA, and sc. TX. |  |
| Asteraceae | Symphyotrichum patens var. patentissimum | Ozark Clasping Aster | Glades, upland prairies, woodlands, forest edges. | Var. patentissimum is largely Ozarkian, east to scattered locations in w. KY. |  |
| Asteraceae | Symphyotrichum patens var. terranigrum | Black Belt Clasping Aster | Prairies and woodlands. | Distribution centered in the AL-MS Black Belt, but allegedly with scattered occurrences over a more widespread area of the Southeastern United States |  |
| Asteraceae | Symphyotrichum phlogifolium | Appalachian Clasping Aster | Mesic, nutrient-rich mixed hardwood forests. | NJ and Long Island, NY west to PA, n. OH, and e. IN south to c. VA, c. NC, w. SC, n. GA, and ne. AL, primarily in the Appalachian Mountains and adjacent provinces. |  |
| Asteraceae | Symphyotrichum pilosum var. pilosum | Old fields, disturbed areas, woodland borders. | NB west to MN, south to Panhandle FL and TX. |  | |
| Asteraceae | Symphyotrichum pilosum var. pringlei | Calcareous glades, calcareous barrens, other dry soil areas, especially or only over limestone or other calcareous rocks. | NS west to MN, south to GA and TN (Eastern Highland Rim) and MS Black Belt. |  | |
| Asteraceae | Symphyotrichum plumosum | Plume Aster | Longleaf pine sandhills, dryish longleaf pine flatwoods. | Endemic to c. Panhandle FL. |  |
| Asteraceae | Symphyotrichum praealtum var. angustior | Willow Aster, Veiny Lined Aster | Fen-like calcareous wetlands. | ME south to NC (?) and ne. TN. Abrams Creek, Frederick County, VA. Also reported for NC by Kartesz (1999). |  |
| Asteraceae | Symphyotrichum praealtum var. nebraskense | Nebraska Aster | Bottomlands, other moist areas. | NE, KS, and OK east to MO, AR, and LA. |  |
| Asteraceae | Symphyotrichum praealtum var. praealtum | Net-veined Aster, Willowleaf Aster | Moist forests over limestone, wooded fens (with Acer rubrum and Fraxinus nigra), calcareous clay prairies. | NY, MN, and SD south to Panhandle FL, e. TX, and Mexico (CHH, COA, NLE, TAM). Reported for Giles County, VA. |  |
| Asteraceae | Symphyotrichum praealtum var. subasper | Rough Willowleaf Aster | Loess prairies and woodlands, bottomlands, other moist habitats. | KY, IN, IL, MO, and OK south to AL and TX. |  |
| Asteraceae | Symphyotrichum pratense | Barrens Silky Aster | Calcareous glades and barrens, prairies. | S. AR west to ne. TX and se. OK, south to sc. LA and e. TX; disjunct at scattered localities east of the Mississippi River, as in sw. VA (Ludwig 1999), sw. NC (Kelly & Knapp 2019), c. KY, TN (Chester, Wofford, & Kral 1997), nw. GA, sw. GA, Panhandle FL (Gadsden County), n. and c. AL, and wc. MS. |  |
| Asteraceae | Symphyotrichum prenanthoides | Zigzag Aster | Moist or wet forests, roadbanks, fields. | MA, NY, s. ON, and MN, south to w. NC, TN, IL, and IA. |  |
| Asteraceae | Symphyotrichum puniceum var. 1 | Bogs. | Known from nw. NC. | ||
| Asteraceae | Symphyotrichum puniceum var. puniceum | Purple-stem Aster, Swamp Aster | Bogs, seeps, ditches, wet meadows. | NL (Newfoundland) and NL (Labrador) west to BC, south to GA, AL, MO, and SD. |  |
| Asteraceae | Symphyotrichum puniceum var. scabricaule | Pineland seepage bogs. | AL west to e. TX. | ||
| Asteraceae | Symphyotrichum racemosum var. racemosum | Small White Aster | Bottomlands, marshes. | ME south to n. FL, west to TX, and inland to OH, IN, IL (?), MO, and OK. |  |
| Asteraceae | Symphyotrichum racemosum var. subdumosum | Small White Oldfield Aster | Uncertain distribution. | ||
| Asteraceae | Symphyotrichum retroflexum | Moist forests. | W. NC and e. TN south to nw. SC and n. GA. |  | |
| Asteraceae | Symphyotrichum rhiannon | Buck Creek Aster, Rhiannon's Aster | Ultramafic outcrop barren. | Endemic (as far as is known) to the Buck Creek Serpentine Barren, Clay County, NC. |  |
| Asteraceae | Symphyotrichum schistosum | Millboro Aster | Shale woodlands. | Endemic to w. VA, so far as is known. | |
| Asteraceae | Symphyotrichum sericeum | Western Silvery Aster | Glades, upland prairies, thin soils over calcareous outcrops. | See Jones, Witsell, & Nesom (2008); all reports of this species east of the Mississippi River and south of the Ohio River are based on misidentifications (or a taxonomically broader application) of S. pratense. |  |
| Asteraceae | Symphyotrichum shortii | Midwestern Blue Heart-leaved Aster, Short's Aster | Dry, rocky slopes; rock outcrops in wooded situations, calcareous hammocks (in FL). | PA, s. ON, and MN, south to w. NC, c. GA, Panhandle FL (Gadsden and Jackson counties), MS, and AR. |  |
| Asteraceae | Symphyotrichum simmondsii | Simmonds’s Aster | Florida wet prairies, wet pine flatwoods, ditches, other moist to wet habitats. | Se. NC south to s. FL, west to s. AL. |  |
| Asteraceae | Symphyotrichum species 1 | Mafic fen. | As far as is known, endemic to nw. NC. | ||
| Asteraceae | Symphyotrichum squamatum | South American Salt-marsh Aster | Disturbed areas (on ballast), escaped to coastal marshes and dunes. | Native of South America. Reported as an introduction in AL (Mobile County), FL (Escambia County), LA, TX. |  |
| Asteraceae | Symphyotrichum subulatum | Eastern Saltmarsh Aster | Tidal marshes. | S. ME south to ne. FL, Panhandle FL, west to LA; Central America, South America; West Indies. |  |
| Asteraceae | Symphyotrichum tenuifolium | Perennial Salt-marsh Aster | Brackish marshes. | ME south to s. peninsular FL, west to se. TX. |  |
| Asteraceae | Symphyotrichum texanum | Texas Aster | Limestone cliffs, sandstone cliffs, bluffs. | MO and KS south to LA and TX; disjunct east of the Mississippi River in e. LA, e. MS, and w. and c. KY; Mexico (COA). |  |
| Asteraceae | Symphyotrichum tradescantii | Tradescant's Aster, Shore Aster | Rocky or gravelly shores. | NL (Newfoundland) and QC south to nw. NJ and w. NY. |  |
| Asteraceae | Symphyotrichum turbinellum | Prairie Aster | Prairies. | C. IL, se. IA, and se. KS south to AR and OK. |  |
| Asteraceae | Symphyotrichum undulatum | Wavyleaf Aster | Dry forests, woodlands, glades, roadbanks. | NS west to s. ON, south to c. peninsular FL and LA. |  |
| Asteraceae | Symphyotrichum urophyllum | White Arrowleaf Aster | Moist to dry forests, fields, and roadbanks. | ME west to MN and NE, south to e. Panhandle FL, MS, and OK. |  |
| Asteraceae | Symphyotrichum walteri | Walter's Aster | Pine savannas, longleaf pine sandhills, pine flatwoods. | E. NC south to c. peninsular FL. |  |
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