| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Symphyotrichum ×parisinum | Amethyst Aster | Moist fields, prairies, disturbed areas. | New Hampshire west to North Dakota, south to New Jersey, Pennsylvania, Indiana, Illinois, Missouri, Kansas, and Colorado. | |
| Asteraceae | Symphyotrichum ×priceae | ||||
| Asteraceae | Symphyotrichum adnatum | Scale-leaf Aster | Longleaf pine sandhills, pine flatwoods, pine rocklands. | S. Georgia south to s. Florida, west to se. Louisiana; n. Bahamas. |  (c) Horn, Jay |
| Asteraceae | Symphyotrichum anomalum | Manyray Aster | Glades, upland prairies, oak savannas, woodlands, and forests. | C. Illinois and n. Missouri south to s. Arkansas and se. Oklahoma. |  (c) Marcum, Paul |
| Asteraceae | Symphyotrichum attenuatum | Gulf Coast Smooth Aster | Calcareous prairies, open dry woodlands. | Texas and Louisiana north to Arkansas. | |
| Asteraceae | Symphyotrichum bahamense | Bahama Salt-marsh Aster | Salt, brackish, and fresh marshes, ditches, wet areas. | E. Georgia and e. Florida Panhandle south to s. Florida; apparently disjunct in se. Louisiana (Urbatsch 2013); Bahamas. |  (c) Horn, Jay |
| Asteraceae | Symphyotrichum boreale | Rushlike Aster, Northern Bog Aster | Calcareous wetlands. | Newfoundland and Labrador (Newfoundland) west to Alaska, south to n. New Jersey, ne. Pennsylvania, nw. Pennsylvania, West Virginia, Ohio, Indiana, Illinois, Iowa, Nebraska, Colorado, Idaho, and Washington. Reported for West Virginia (Barbour, Fayette, Nicholas, and Randolph counties), Pennsylvania, and New Jersey. |  (c) Ward, Scott G |
| Asteraceae | Symphyotrichum bracei | Brace’s Aster | Brackish marshes. | Panhandle Florida south to s. Florida; Bahamas; Cuba. |  (c) Horn, Jay |
| Asteraceae | Symphyotrichum chapmanii | Chapman's Aster | Pine flatwoods and seepage bogs. | Endemic to Panhandle Florida and s. Alabama; reports from Alachua County in the n. peninsula and St. Lucie County much farther south appear to be correctly identified. |  (c) Horn, Jay |
| Asteraceae | Symphyotrichum ciliatum | Western Annual Aster, Rayless Aster | |||
| Asteraceae | Symphyotrichum concinnum | Harmonious Aster, Narrow-leaved Smooth Aster | Dry woodlands and prairies over mafic or calcareous rocks. | New York and Kentucky south to Georgia, Panhandle Florida (Jackson County), and Mississippi. |  (c) Oglesby, Emily |
| Asteraceae | Symphyotrichum concolor var. concolor | Eastern Silvery Aster | Longleaf pine sandhills, Piedmont woodlands, forest edges, pine rocklands, roadbanks. | Massachusetts and New York (Long Island) south to s. Florida, west to Louisiana, inland less commonly to Tennessee and Kentucky. Reports of Symphyotrichum concolor for the Bahamas are based on Symphyotrichum lucayanum (Britton) Nesom. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum concolor var. devestitum | Gulf Coast Silvery Aster | Pine savannas. | Panhandle Florida and s. Georgia, and perhaps extending to Alabama and South Carolina. |  © Lilly Anderson-Messec |
| Asteraceae | Symphyotrichum cordifolium | Heart-leaved Aster, Blue Wood Aster | Rich forests, shaded roadbanks. | New Brunswick west to Ontario and e. North Dakota, south to Panhandle Florida and ne. Texas. See Holmes & Singhurst (2021) for information on Texas occurrence. |  (c) Fleming, Gary P. |
| Asteraceae | Symphyotrichum depauperatum | Serpentine Aster | Glades and barrens over ultramafic (serpentine) or mafic (diabase) rocks. | Maryland and se. Pennsylvania; disjunct southward in nc. North Carolina. Falsely reported for Hardy County, West Virginia (Harmon, Ford-Werntz, & Grafton 2006, Strausbaugh & Core 1978). |  (c) Ward, Scott G |
| 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. | Tennessee, Missouri, e. Nebraska and n. New Mexico south to Georgia, Alabama, Mississippi, Louisiana, Texas, and Mexico. |  (c) Fleming, Gary P. |
| Asteraceae | Symphyotrichum drummondii | Hairy Heart-leaved Aster | Mesic to dry forests, especially over calcareous soils | Pennsylvania, Ohio, Michigan, Wisconsin, Minnesota, and Nebraska, south to Maryland, West Virginia, Tennessee, Alabama, Mississippi, and Louisiana (including the Florida Parishes). |  (c) Marcum, Paul |
| Asteraceae | Symphyotrichum dumosum var. 1 | Carolina Bushy Aster | Depression ponds, clay-based Carolina Bays, pondcypress savannahs. | Outer Coastal Plain of North Carolina and South Carolina. | |
| Asteraceae | Symphyotrichum dumosum var. coridifolium | Rice Button Aster | In a wide range of dry to mesic grasslands, hayfields, old pastures, roadsides. | Missouri, Pennsylvania, and Maryland south to Florida and Texas. |  (c) McLaurin, Lauren - CC-BY |
| Asteraceae | Symphyotrichum dumosum var. dumosum | Long-stalked Aster | Old fields, disturbed areas, pastures. | New Brunswick south to Virginia. |  (c) Fleming, Gary P. |
| Asteraceae | Symphyotrichum dumosum var. strictior | Northern Bushy Aster | Wet meadows, fens, and woodlands, especially over mafic rock. | New Hampshire, Ontario, and Wisconsin south to Missouri and east to w. Pennsylvania. |  (c) Aaron, Nathan |
| Asteraceae | Symphyotrichum dumosum var. subulifolium | Needleleaf Bushy Aster | Longleaf pine woodlands and savannahs, and west of the Mississippi River in prairies. | North Carolina south to Florida and west to se. Oklahoma and e. Texas. |  (c) Sorrie, Bruce A. - CC-BY |
| 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. Virginia south to s. Florida, west to Louisiana. The Jones & Coile (1988) record for n. Georgia and records in the North Carolina Mountains (Kartesz (2020) are rejected (misidentifications of S. puniceum). |  (c) Bradley, Keith |
| Asteraceae | Symphyotrichum ericoides var. ericoides | Heath Aster, Squarrose White Aster | Limestone glades, prairies, other open, calcareous situations. | Maine, Newfoundland and Labrador (Labrador), Ontario, North Dakota, Colorado, and Utah, south to Virginia, Mississippi, Louisiana (Kelley 2022c), Texas, and Mexico (Chihuahua, Coahuila, Hidalgo, Nuevo León, Veracruz). |  (c) Ward, Scott G |
| Asteraceae | Symphyotrichum ericoides var. pansum | W. Ontario west to British Columbia, south to New Mexico and Arizona; disjunct eastwards in sc. Oklahoma, sw. Wisconsin, and n. Iowa. | |||
| Asteraceae | Symphyotrichum estesii | May Prairie Aster | Wet clay-pan prairie. | Apparently endemic (at least now, probably formerly more widespread) to May Prairie (Coffee County, Tennessee, Eastern Highland Rim). |  (c) Finzel, Brian - CC-BY-SA |
| Asteraceae | Symphyotrichum eulae | Eula's Aster | River bottoms, ditches, usually on heavy clay soils. | Endemic to nc. Texas south to e., se., and sc. Texas. |  (c) Smith, Jake - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum expansum | Pond margins, disturbed wet areas. | Florida Panhandle and peninsula, Alabama, Oklahoma, Utah, Nevada, and California south through Mexico and Central America to n. South America; West Indies. |  (c) Hernández, Alexis López - CC-BY | |
| Asteraceae | Symphyotrichum falcatum var. commutatum | White Prairie Aster | Prairies, open areas. | Ontario south to c. and possibly e. Texas, west to Alberta and Arizona, and south into Mexico. |  (c) Oldham, Michael J. - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum firmum | Shining Aster | Peaty wetlands and seepages, fens, wet prairies. | Québec west to North Dakota, south to West Virginia, North Carolina, and Iowa; the distribution is poorly understood because of confusion with S. puniceum. |  (c) Brinker, Samuel - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum fontinale | Wet pinelands, marshes. | E. Panhandle Florida and sw. Georgia south to s. Florida. |  (c) Horn, Jay | |
| 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. North Carolina south to c. Georgia and west to c. Alabama; apparently disjunct on the Coastal Plain of sw. Georgia and the e. Panhandle of Florida (Leon County). |  (c) Sorrie, Bruce A. - CC-BY |
| Asteraceae | Symphyotrichum grandiflorum | Big-headed Aster | Dry woodlands, forest edges; roadbanks and powerline rights-of-way. | E. and c. Virginia south to e. and c. North Carolina; previous reports from South Carolina are all misidentifications. |  (c) Bradley, Keith |
| Asteraceae | Symphyotrichum hesperium | Siskiyou Aster | Stream banks, ditches. | Ontario and Northwest Territories south to Michigan, Iowa, Kansas, Colorado, w. Texas, New Mexico, Arizona, California, and Mexico. Reported for ne. Oklahoma and nc. and se. Texas by Kartesz (2021). | |
| Asteraceae | Symphyotrichum kentuckiense | Miss Price's Aster, Sadie's Aster | Limestone glades. | C. Kentucky south through c. Tennessee to nw. Georgia and n. Alabama. |  (c) Cressler, Alan M. |
| Asteraceae | Symphyotrichum kralii | Drawdown zones of limesink ponds. |  (c) Ungberg, Eric - C, permission granted to NCBG | ||
| Asteraceae | Symphyotrichum laeve | Smooth Blue Aster | Mesic hardwood forests. | Nova Scotia west to Manitoba, south to Georgia, Louisiana, and Oklahoma. |  (c) Leduc, Jason - CC0 |
| Asteraceae | Symphyotrichum lanceolatum var. hirsuticaule | Hairy White Panicled Aster | Wetlands over glacial deposits. | Ontario west to Manitoba, south to n. Ohio, n. Indiana, s. Illinois, and Iowa. |  (c) Graeff, Alex - CC-BY-NC-ND, permission granted to NCBG |
| Asteraceae | Symphyotrichum lanceolatum var. interior | Small-flowered White Panicled Aster | Bottomlands and other moist areas. | New Hampshire west to Minnesota, south to Pennsylvania, Kentucky, Arkansas, and Oklahoma. |  (c) Jackson, Patrick - CC-BY |
| Asteraceae | Symphyotrichum lanceolatum var. lanceolatum | Tall White Aster, Common Panicled Aster | Moist soils. | Newfoundland and Labrador (Newfoundland) west to Saskatchewan, south to Pennsylvania (Rhoads & Klein 1993), Virginia (reported in FNA), North Carolina, South Carolina (?), Tennessee, Mississippi, Louisiana, and Texas. Reported for Ashe County, North Carolina (Poindexter & Murrell 2008). |  (c) Campos, Aidan |
| Asteraceae | Symphyotrichum lanceolatum var. latifolium | Broad-leaved White Panicled Aster | Bottomlands, other moist sites. | Maine west to Manitoba, south to e. Panhandle Florida and Texas. |  (c) Schmid, Samuel A. - CC-BY |
| 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. | New Brunswick west to Manitoba, south to s. peninsular Florida and e. Texas. |  (c) Ward, Scott G |
| Asteraceae | Symphyotrichum lowrieanum | Smooth Heart-leaved Aster | Mesic to dry-mesic forests. | Massachusetts, New York, and Ontario, south to w. Virginia, w. North Carolina, ne. Georgia, e. Tennessee, and c. Tennessee. |  (c) Bradley, Keith |
| Asteraceae | Symphyotrichum novae-angliae | New England Aster, Michaelmas-daisy | Wet meadows, bogs, prairies. | Nova Scotia west to Montana, south to Georgia, wc. Alabama, c. Mississippi, s. Arkansas, Oklahoma, and New Mexico. |  (c) Fleming, Gary P. |
| Asteraceae | Symphyotrichum novi-belgii var. elodes | New York Aster | Wet pine savannas, marshes. | New Brunswick south to New York, apparently disjunct southward from e. Maryland south to e. South Carolina and e. Georgia. |  (c) Semmling, Bonnie - CC-BY |
| Asteraceae | Symphyotrichum novi-belgii var. novi-belgii | New York Aster | Wetlands. | Newfoundland and Labrador (Newfoundland) and Newfoundland and Labrador (Labrador) south to Maryland. |  (c) Semmling, Bonnie - CC-BY |
| Asteraceae | Symphyotrichum oblongifolium | Eastern Aromatic Aster, Shale-barren Aster | Rock outcrops and dry woodlands over limestone, calcareous shale, calcareous prairies | New York, Wisconsin, Minnesota, and Montana, south to sc. Virginia, w. North Carolina, nc. Alabama, n. Mississippi, Texas, and New Mexico. |  (c) Parkins, Grant Morrow |
| Asteraceae | Symphyotrichum ontarionis var. ontarionis | Bottomland Aster | Bottomlands, swamps, bogs. | Québec, Ontario, Minnesota, and South Dakota, south to West Virginia, Georgia, Alabama, Mississippi, Louisiana, and Texas. |  (c) Lacroix-Carignan, Étienne - CC0 |
| Asteraceae | Symphyotrichum oolentangiense var. oolentangiense | Azure Aster | Prairies, glades. | New York, Ontario, Minnesota, and South Dakota, south to Panhandle Florida and Texas. Reported for Georgia (Kartesz 1999) on the basis of Fernald (1950), and also reported for Georgia in FNA. East to sw. Tennessee (Chester, Wofford, & Kral 1997), Alabama, and Panhandle Florida (Wunderlin & Hansen 2008). |  (c) Ward, Scott G |
| Asteraceae | Symphyotrichum oolentangiense var. poaceum | Calcareous prairies and barrens, longleaf pine woodlands, other open (and especially sandy) woodlands. | Missouri, Arkansas, south to se. Texas. |  (c) Hill, Sonnia | |
| Asteraceae | Symphyotrichum parviceps | Small-headed Aster | Upland prairies, woodlands, dry areas. | Illinois and Iowa south to Missouri, Kansas, and ne. Oklahoma and nc. Arkansas. |  (c) jfaupel - CC-BY-SA |
| Asteraceae | Symphyotrichum patens var. gracile | Dry woodlands and prairies. | Var. gracile, as defined more narrowly by R. Jones (1983), ranges east to se. Louisiana, s. Mississippi, and s. Alabama from a core range in Louisiana, e. and c. Texas, and Oklahoma. |  (c) Campos, Aidan | |
| Asteraceae | Symphyotrichum patens var. patens | Common Clasping Aster | Dry woodlands, longleaf pine sandhills, roadsides, woodland edges, clearings, roadbanks. | Var. patens ranges from Vermont and New York west to Pennsylvania, s. Ohio, s. Indiana, s. Missouri, and se. Kansas, south to e. Georgia, ne. Florida, Panhandle Florida, s. Alabama, s. Mississippi, s. Louisiana, and sc. Texas. |  (c) Ward, Scott G |
| 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. Kentucky. |  (c) Aaron, Nathan - CC-BY |
| Asteraceae | Symphyotrichum patens var. terranigrum | Black Belt Clasping Aster | Prairies and woodlands. | Distribution centered in the Alabama-Mississippi Black Belt, but allegedly with scattered occurrences over a more widespread area of the Southeastern United States |  (c) Gorrell, Jared - CC-BY-NC |
| Asteraceae | Symphyotrichum phlogifolium | Appalachian Clasping Aster | Mesic, nutrient-rich mixed hardwood forests. | New Jersey and Long Island, New York west to Pennsylvania, n. Ohio, and e. Indiana south to c. Virginia, c. North Carolina, w. South Carolina, n. Georgia, and ne. Alabama, primarily in the Appalachian Mountains and adjacent provinces. |  (c) Pogacnik, Shaun - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum pilosum var. pilosum | Old fields, disturbed areas, woodland borders. | New Brunswick west to Minnesota, south to Panhandle Florida and Texas. |  (c) Fleming, Gary P. | |
| Asteraceae | Symphyotrichum pilosum var. pringlei | Calcareous glades, calcareous barrens, other dry soil areas, especially or only over limestone or other calcareous rocks, or (in MO) over igneous rocks. | Nova Scotia west to Minnesota, south to Georgia and Tennessee (Eastern Highland Rim) and Mississippi Black Belt. Material from glades in Arkansas and Missouri is attributed here for now. |  (c) Danielson, Erik | |
| Asteraceae | Symphyotrichum plumosum | Plume Aster | Longleaf pine sandhills, dryish longleaf pine flatwoods. | Endemic to c. Panhandle Florida. |  (c) Ward, Scott G |
| Asteraceae | Symphyotrichum praealtum var. angustior | Willow Aster, Veiny Lined Aster | Fen-like calcareous wetlands. | Maine south to North Carolina (?) and ne. Tennessee. Abrams Creek, Frederick County, Virginia. Also reported for North Carolina by Kartesz (1999, 2023). |  (c) Semmling, Bonnie - CC-BY |
| Asteraceae | Symphyotrichum praealtum var. nebraskense | Nebraska Aster | Bottomlands, other moist areas. | Nebraska, Kansas, and Oklahoma east to Missouri, Arkansas, and Louisiana. |  (c) Soteropoulos, Diana - CC-BY-NC, permission granted to NCBG |
| 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. | New York, Minnesota, and South Dakota south to Panhandle Florida, e. Texas, and Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas). Reported for Giles County, Virginia. |  (c) Lillie - CC-BY |
| Asteraceae | Symphyotrichum praealtum var. subasper | Rough Willowleaf Aster | Loess prairies and woodlands, bottomlands, other moist habitats. | Kentucky, Indiana, Illinois, Missouri, and Oklahoma south to Alabama and Texas. |  (c) Lillie - CC-BY |
| Asteraceae | Symphyotrichum pratense | Barrens Silky Aster | Calcareous glades and barrens, prairies. | S. Arkansas west to ne. Texas and se. Oklahoma, south to sc. Louisiana and e. Texas; disjunct at scattered localities east of the Mississippi River, as in sw. Virginia (Ludwig 1999), sw. North Carolina (Kelly & Knapp 2019), c. Kentucky, Tennessee (Chester, Wofford, & Kral 1997), nw. Georgia, sw. Georgia, Panhandle Florida (Gadsden County), n. and c. Alabama, and wc. Mississippi. |  (c) Campos, Aidan |
| Asteraceae | Symphyotrichum prenanthoides | Zigzag Aster | Moist or wet forests, roadbanks, fields. | New Hampshire, Vermont, New York, s. Ontario, and se. Minnesota, south to w. North Carolina, Tennessee, nw. Georgia, Illinois, and Iowa. |  (c) Danielson, Erik |
| Asteraceae | Symphyotrichum puniceum var. puniceum | Purple-stem Aster, Swamp Aster | Bogs, seeps, ditches, wet meadows. | Newfoundland and Labrador (Newfoundland) and Newfoundland and Labrador (Labrador) west to British Columbia, south to Georgia, Alabama, Missouri, and South Dakota. |  (c) Fleming, Gary P. |
| Asteraceae | Symphyotrichum puniceum var. scabricaule | Pineland seepage bogs. | Alabama west to e. Texas. |  (c) Kieschnick, Sam - CC-BY | |
| Asteraceae | Symphyotrichum racemosum var. racemosum | Small White Aster | Bottomlands, marshes. | Maine west to Wisconsin, south to n. Florida and e. Texas. |  (c) mmwm - CC-BY-ND |
| Asteraceae | Symphyotrichum racemosum var. subdumosum | Small White Oldfield Aster | Uncertain distribution. | ||
| Asteraceae | Symphyotrichum retroflexum | Moist forests. | W. North Carolina and e. Tennessee south to nw. South Carolina and n. Georgia. |  (c) Bradley, Keith | |
| Asteraceae | Symphyotrichum rhiannon | Buck Creek Aster, Rhiannon's Aster | Ultramafic outcrop barren. | Endemic to the Buck Creek Serpentine Barren, Clay County, North Carolina. |  (c) Cressler, Alan M. |
| Asteraceae | Symphyotrichum schistosum | Millboro Aster | Shale woodlands. | Endemic to w. Virginia, so far as is known. |  (c) birds_and_wasps - CC-BY-NC-ND |
| 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. |  (c) Kluge, Mark - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum shortii | Midwestern Blue Heart-leaved Aster, Short's Aster | Dry, rocky slopes; rock outcrops in wooded situations, calcareous hammocks (in FL). | Pennsylvania, s. Ontario, and Minnesota, south to w. North Carolina, c. Georgia, Panhandle Florida (Gadsden and Jackson counties), Mississippi, and Arkansas. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum simmondsii | Simmonds’s Aster | Florida wet prairies, wet pine flatwoods, ditches, other moist to wet habitats. | Se. North Carolina south to s. Florida, west to s. Alabama. |  (c) Sorrie, Bruce A. - CC-BY |
| 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 Alabama (Mobile County), Florida (Escambia County), Louisiana, Texas. |  (c) ramazan_murtazaliev - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Symphyotrichum subulatum | Eastern Saltmarsh Aster | Tidal marshes. | S. Maine south to ne. Florida, Panhandle Florida, west to Louisiana; Central America, South America; West Indies. |  (c) Sorrie, Bruce A. - CC-BY |
| Asteraceae | Symphyotrichum tenuifolium | Perennial Salt-marsh Aster | Brackish marshes. | Maine south to s. peninsular Florida, west to se. Texas. |  © Scott Ward |
| Asteraceae | Symphyotrichum texanum | Texas Aster | Limestone cliffs, sandstone cliffs, bluffs. | Missouri and Kansas south to Louisiana and Texas; disjunct east of the Mississippi River in e. Louisiana, e. Mississippi, and w. and c. Kentucky; Mexico (Coahuila). |  (c) Campos, Aidan |
| Asteraceae | Symphyotrichum tradescantii | Tradescant's Aster, Shore Aster | Rocky or gravelly shores. | Newfoundland and Labrador (Newfoundland) and Québec south to nw. New Jersey and w. New York. |  (c) Semmling, Bonnie - CC-BY |
| Asteraceae | Symphyotrichum turbinellum | Prairie Aster | Prairies. | C. Illinois, se. Iowa, and se. Kansas south to Arkansas and Oklahoma. |  (c) Marcum, Paul |
| Asteraceae | Symphyotrichum undulatum | Wavyleaf Aster | Dry forests, woodlands, glades, roadbanks. | Nova Scotia west to s. Ontario, south to c. peninsular Florida and Louisiana. |  (c) Michael J., Papay - CC-BY |
| Asteraceae | Symphyotrichum urophyllum | White Arrowleaf Aster | Moist to dry forests, fields, and roadbanks. | Maine west to Minnesota and Nebraska, south to e. Panhandle Florida, Mississippi, and Oklahoma. |  (c) Ward, Scott G |
| Asteraceae | Symphyotrichum walteri | Walter's Aster | Pine savannas, longleaf pine sandhills, pine flatwoods. | E. North Carolina south to c. peninsular Florida. |  (c) Sorrie, Bruce A. - CC-BY |