| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Amaranthaceae | Achyranthes | Chaff-flower |  (c) Berkel, Nicola van - CC-BY-SA | ||
| Amaranthaceae | Achyranthes aspera var. aspera | Blunt-leaved Achyranthes | Disturbed upland areas, waste areas around wool-combing mills. | Native of Asia. |  (c) Rebelo, Tony - CC-BY-SA |
| Amaranthaceae | Achyranthes aspera var. pubescens | Devil's-horsewhip | Disturbed uplands, hammocks. | Native of w. Africa. Reported for MD and s. FL (FNA, Kartesz 1999), the MD report dropped in Kartesz (2010). |  (c) Horn, Jay - CC-BY |
| Amaranthaceae | Achyranthes bidentata var. japonica | Japanese Chaff-flower | Bottomland forests, disturbed areas. | Native of e. Asia. Escaped in KY and WV (Mingo and Wayne counties) (Medley et al. 1985), n. AL (Limestone County) (Barger et al. 2019), nc. GA, s. OH, s. IN, w., c. and e. TN, and s. IL, and now acting as a serious invasive species (Evans & Taylor 2011). Also recently discovered in Fairfax County, VA along the Potomac River (N. DeBarros, pers. comm., 2022). |  (c) Marcum, Paul - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Alternanthera | Chaff-flower, Joyweed |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG | ||
| Amaranthaceae | Alternanthera bettzickiana | Calicoplant, Parrotleaf | Disturbed areas, spread from horticultural use. | Native of South America. |  (c) box, renjus - CC-BY |
| Amaranthaceae | Alternanthera brasiliana | Brazilian Joyweed | Wet, disturbed areas. | Native of Central and South America. |  (c) Gallagher, Judy - CC-BY-SA |
| Amaranthaceae | Alternanthera caracasana | Disturbed areas. | Native of South America. Reported for Coastal Plain of SC, and in s. Coastal Plain of GA (Jones & Coile 1988) and for NC (FNA, K) and MD (K). |  (c) Northup, Alison - CC-BY | |
| Amaranthaceae | Alternanthera flavescens | Yellow Joyweed | Hammocks, sandbars, coastal berms, shell mounds, coastal thickets. Often abundant and somewhat sprawling in understories of buttonwood hammocks and other shaded coastal areas sparsely to moderately saline-influenced. | Widespread in the FL peninsula, north to Brevard County; West Indies, s. Mexico (CAM, ROO, YUC), South America, the native distribution unclear, but seemingly native. The Clay County, FL record appears to be in error (A. Franck, pers. comm.; 2024). |  (c) Doby, Joshua - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Alternanthera maritima | Seaside Joyweed, Beach Alternanthera | Coastal strands. | S. FL; West Indies; South America. |  (c) Fortnash, Jade - CC0 |
| Amaranthaceae | Alternanthera paronychioides | Disturbed areas, wet or dry flats, beaches. | Native of tropical America. |  (c) Keith, Eric - CC-BY-NC, permission granted to NCBG | |
| Amaranthaceae | Alternanthera philoxeroides | Alligator-weed | Floating in mats on the surface of the waters of blackwater rivers, sloughs, ditches, ponds, and in very moist soil of ditches and shores. | Native of tropical America. This plant is a serious weed of natural areas. Reported for s. IN by Bill Thomas (pers.comm., 2022). | (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Alternanthera pungens | Field edges, parking lots, other disturbed areas. perhaps only a waif at least northward. | Native of tropical America. Known from scattered locations in AL, FL, LA, NY, and TX (Clemants in FNA 2003b); native of tropical America. Reported for Sumter and Tift counties, GA (Carter, Baker, & Morris 2009). |  (c) Campos, Aidan | |
| Amaranthaceae | Alternanthera sessilis | Sessile Joyweed | Disturbed wet muck. | Native of the Tropics. First reported for SC by Nelson & Kelly (1997). Apparently now known in the Southeast from SC, FL, AL, MS, LA, TX (Brown & Marcus 1998) and GA (Jones & Coile 1988). |  (c) Kieschnick, Sam - CC-BY |
| Amaranthaceae | Amaranthaceae | Amaranth Family |  (c) Fleming, Gary P. | ||
| Amaranthaceae | Amaranthus | Amaranth, Pigweed |  (c) Bradley, Keith | ||
| Amaranthaceae | Amaranthus acanthochiton | Greenstripe | Valley of the Rio Grande, and reported for Jefferson County TX (se. TX), westwards to s. UT and AZ, and n. Mexico. | ||
| Amaranthaceae | Amaranthus albus | Tumbleweed Amaranth | Disturbed areas, agricultural fields. | Central North America, the native distribution difficult to determine. |  (c) AndreaC - CC-BY-ND |
| Amaranthaceae | Amaranthus arenicola | Sandhill Amaranth | Sandhills, dunes, other sandy areas; eastwards adventive in disturbed areas. | Native from IA, SD, and WY south to TX, NM, and Mexico, adventive in a broader range (the boundaries of native and adventive hypothetical). |  (c) Shorma, Jared - CC-BY |
| Amaranthaceae | Amaranthus australis | Southern Water-hemp, Careless | Tidal marshes, freshwater wetlands (swamps, strands, sloughs, marshes), ditches, disturbed areas. | E. NC, TN, LA, and TX south into West Indies, Gulf Coast of Mexico (CAM, ROO, TAB, TAM, VER), and n. South America; perhaps adventive in some of our range, from an original distribution on the Gulf Coast, in FL, and southward into the New World tropics. | (c) Bradley, Keith |
| Amaranthaceae | Amaranthus blitoides | Matweed Amaranth, Prostrate Pigweed | Disturbed areas, roadsides. | Sc. United States and Mexico. |  (c) Campos, Aidan |
| Amaranthaceae | Amaranthus blitum ssp. emarginatus | Purple Amaranth, Livid Amaranth | Disturbed habitats. | Native of the tropics. First reported from SC by Hill & Horn (1997). Reported for greenhouses and outdoor areas for c. KY (Adanick & Medley 2020). |  (c) monkeyjodey - CC-BY |
| Amaranthaceae | Amaranthus blitum ssp. pseudogracilis | Purple Amaranth, Livid Amaranth | Disturbed habitats. | Native of the tropics. |  (c) arthur_haendler - CC-BY |
| Amaranthaceae | Amaranthus cannabinus | Salt-marsh Water-hemp | Salt, brackish, and freshwater tidal marshes, especially along the banks of tidal guts. | ME south to ne. FL (Duval County). |  (c) Fleming, Gary P. |
| Amaranthaceae | Amaranthus caudatus | Love-Lies-Bleeding, Tasselflower, Purple Amaranth | Disturbed areas, cultivated as an ornamental. | Native of Andean South America. Cultivated and rarely escaped or persistent, as in TN (Chester, Wofford, & Kral 1997), and scattered in PA (Rhoads & Klein 1993). |  (c) Guarino, Riccardo - CC-BY |
| Amaranthaceae | Amaranthus crassipes var. crassipes | Spreading Amaranth | Shores and wet areas. | Probably introduced from tropical America. |  (c) bobnieman - CC-BY |
| Amaranthaceae | Amaranthus crispus | Crisp-leaved Amaranth | Disturbed areas, especially around seaports. | Native of South America. Reported for VA by Massey (1961), but no documentation is known. |  (c) Lengyel, Attila - CC-BY-NC |
| Amaranthaceae | Amaranthus cruentus | Red Amaranth, Blood Amaranth, Purple Amaranth | Disturbed areas, old gardens. | Native of Central America. |  (c) Thorpe, Stephen - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Amaranthus deflexus | Large-fruit Amaranth, Argentine Amaranth | Disturbed areas, ballast. | Native of South America. Reported for VA by Virginia Botanical Associates (2019). |  (c) Greiner, Elliot - CC-BY |
| Amaranthaceae | Amaranthus dubius | Spleen Amaranth, Southern Pigweed, Callaloo | Disturbed areas. | Native of tropical America. |  (c) Salas, Antonio W. - CC-BY |
| Amaranthaceae | Amaranthus floridanus | Florida Amaranth | Dunes, beaches. | Native, endemic to FL peninsula, north to Duval and Alachua counties (Wunderlin & Hansen 2004). |  © NCU Herbarium staff |
| Amaranthaceae | Amaranthus graecizans var. silvestris | Mediterranean Amaranth | On ballast, apparently only a waif. | Native of Mediterranean Europe. |  (c) AndreaC - CC-BY-ND |
| Amaranthaceae | Amaranthus greggii | Gregg’s Amaranth, Josiah Amaranth | Dunes, beaches. | Native from se. LA west through TX to se. Mexico. |  (c) Wong, Michelle - CC-BY |
| Amaranthaceae | Amaranthus hybridus ssp. hybridus | Smooth Amaranth, Slim Amaranth, Green Amaranth, Smooth Pigweed | Disturbed areas. | Original distribution obscure because of its very weedy nature, but apparently native in eastern North America. |  (c) Gwaltney, John |
| Amaranthaceae | Amaranthus hypochondriacus | Prince's-feather | Disturbed areas. | Native of tropical America. The type locality is "Virginia", where apparently early introduced. |  (c) carnifex - CC-BY |
| Amaranthaceae | Amaranthus muricatus | Muricate Amaranth | Disturbed areas, on ballast, probably only a waif. | Native of s. South America. |  (c) Gesti, Josep - CC-BY-SA |
| Amaranthaceae | Amaranthus palmeri | Careless-weed, Palmer’s Amaranth | Arroyos, riverbanks, and disturbed areas; eastwards adventive in fields and disturbed areas. | Native of c. and sw. North America and Mexico. |  (c) Cressler, Alan M. |
| Amaranthaceae | Amaranthus polygonoides | Tropical Amaranth, Smartweed Amaranth | Disturbed areas. | Native of tropical America. C. TX s. NM, and s. FL (uncertainly native) south into the Neotropics. |  (c) Bradley, Keith |
| Amaranthaceae | Amaranthus powellii ssp. powellii | Green Amaranth, Powell's Amaranth | Disturbed areas. | Native of w. and sc. North America, south to Mexico. Widespread and common in PA (Rhoads & Klein 1993); many earlier reports of A. retroflexus may actually pertain to this species. |  (c) Zorko, Victoria - CC0 |
| Amaranthaceae | Amaranthus pumilus | Seabeach Amaranth, Dwarf Amaranth | Sea beaches, fore-dunes, island end flats, rarely on sound-side beaches. | Se. MA south to c. SC; presently known to be extant only from NC, n. SC, e. MD, DE (McAvoy 2002), se. NY (Long Island), VA, and NJ. Since 2000, populations have crashed rangewide. |  (c) Sorrie, Bruce A. - CC-BY |
| Amaranthaceae | Amaranthus retroflexus | Rough Pigweed, Redroot, Redroot Amaranth | Disturbed areas. | Native of c. and e. North America, now nearly worldwide in distribution and the original native range difficult or impossible to determine. |  (c) Campos, Aidan |
| Amaranthaceae | Amaranthus scleropoides | Bonebract Amaranth | Seasonally wet, sandy soils. | OK south through TX to CHH, COA, and TAM. | |
| Amaranthaceae | Amaranthus spinosus | Spiny Amaranth, Quelite Espinoso | Fields, gardens, roadsides, barnyards, pastures. | Native of tropical America. |  (c) Fleming, Gary P. |
| Amaranthaceae | Amaranthus tamaulipensis | Tamaulipan Amaranth | Disturbed areas. | S. TX (Cameron County), TAM, SLP, and TAB | |
| Amaranthaceae | Amaranthus thunbergii | Thunberg's Amaranth | Collected from near wool-combing mills in SC; probably not naturalized. | Native of Africa. |  (c) koen, kevin - CC-BY-SA |
| Amaranthaceae | Amaranthus torreyi | ||||
| Amaranthaceae | Amaranthus tricolor | Summer Poinsettia, Joseph’s Coat, Chinese Spinach, Malabar Spinach | Cultivated as an ornamental and salad green, rarely persistent or escaped. | Native of tropical Asia. |  (c) evgeniq_benihanov - CC-BY |
| Amaranthaceae | Amaranthus tuberculatus | Inland Water-hemp | Swamps, bottomlands, fields, disturbed areas. | The exact boundaries of its native distribution are now obscure, perhaps approximately OH west to ND south to MS and TX. |  (c) Campos, Aidan |
| Amaranthaceae | Amaranthus viridis | Slender Amaranth, Tropical Green Amaranth | Disturbed areas. | Native of South America. |  (c) Gwaltney, John |
| Amaranthaceae | Blutaparon | Silverhead |  (c) Horn, Jay | ||
| Amaranthaceae | Blutaparon vermiculare | Silverhead, Sampire, Saltweed | Beaches, tidal flats, dune swales. | FL peninsula and ne. FL (St. Johns County), Gulf coast of FL Panhandle, s. LA, and TX, south to Mexico (CAM, CHP, GRO, ROO, SLP, SIN, TAM, YUC) and Central America; West Indies. |  (c) Gibson, Clint - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Celosia | Cockscomb, Woolflower |  (c) Keith, Eric - CC-BY-NC, permission granted to NCBG | ||
| Amaranthaceae | Celosia argentea | Cockscomb, Celosia, Cresta de Gallo | Commonly cultivated, rarely escaped or persistent in disturbed areas, such as along creeks. | Native of s. Asia. | (c) Keith, Eric - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Celosia nitida | Slender Celosia, West Indian Cockscomb, Albahaca | Hammocks, thickets, brush, and forests in sandy soils. | Peninsular FL; se. TX and s. TX south through Mexico, Central America, and South America; West Indies. |  (c) Cahen, Daniel - CC-BY |
| Amaranthaceae | Celosia palmeri | Palmer's Cockscomb | Shrublands on stony slopes. | S. TX, CHH, COA, NLE, SLP, ZAC. |  (c) Velazco-Macias, Carlos G - CC-BY-NC |
| Amaranthaceae | Celosia trigyna | Woolflower | Disturbed areas. | Native of tropical Africa. |  (c) i_c_riddell - CC-BY |
| Amaranthaceae | Digera |  (c) Tathagath, Swarochi - CC-BY | |||
| Amaranthaceae | Digera muricata | A waif in ballast ground. | Native of the Paleotropics. | (c) Tathagath, Swarochi - CC-BY | |
| Amaranthaceae | Froelichia | Cottonweed, Snake-cotton |  (c) Sorrie, Bruce A. - CC-BY | ||
| Amaranthaceae | Froelichia drummondii | Drummond's Snake-cotton | Sand plains, oak mottes, roadsides. | E. and s. TX. |  (c) Knight, Eric - CC-BY |
| Amaranthaceae | Froelichia floridana var. campestris | Plains Cottonweed, Plins Snakecotton | Open sandy habitats, sandy oak savannas, sandy fields, other disturbed areas (roadsides, railroads). | OH, MN, and CO south to w. KY, AR, and TX, and Mexico (CHH, COA, VER). |  (c) Faulkner, Erin - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Froelichia floridana var. floridana | Florida Cottonweed, Common Cottonweed | Longleaf pine sandhills, sandy fields, sandy roadsides. | S. NC south to n. FL, and west to LA, north in the interior to w. TN; disjunct (probably introduced) in DE, e. MD, s. NJ, and NY (Long Island). |  (c) Weakley, Alan |
| Amaranthaceae | Froelichia floridana var. pallescens | Florida Cottonweed | Longleaf pine sandhills, sandy fields, sandy roadsides. | S. GA to s. peninsular FL. | |
| Amaranthaceae | Froelichia gracilis | Slender Cottonweed | Dry soils; eastwards adventive in vacant lots, sandy fields, railroad banks. | Native of mw. United States and n. Mexico (CHH, COA, NLE, SON, TAM), the eastern limit of its native distribution uncertain. |  (c) Fleming, Gary P. |
| Amaranthaceae | Froelichia latifolia | Grasslands, forest edges, dunes. | E. TX to s. TX. |  (c) Hill, Sonnia | |
| Amaranthaceae | Froelichia texana | Texas Snake-cotton | Oak mottes, sandy prairies. | TX south to TAM and NLE. |  (c) Keith, Eric - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Gomphrena | Globe-amaranth |  (c) Joseph, Aubert - CC-BY | ||
| Amaranthaceae | Gomphrena globosa | Globe-amaranth | Disturbed areas. | Native of s. Asia. Introduced and known from scattered locations in s. PA (Rhoads & Klein 1993). Also reported for VA (Kartesz 1999) and MD (Reed1961b). |  (c) Kieschnick, Sam - CC-BY |
| Amaranthaceae | Gomphrena nealleyi | Nealley’s Globe-amaranth | Grasslands; eastwards (SC) in a disturbed area along a railroad track. | Native of se. and s. TX south into ne. Mexico. Discovered apparently established along a railroad track in Charleston, SC (J. Gramling, pers. comm., June 2016). |  (c) Blair, Andy - CC-BY-NC |
| Amaranthaceae | Gomphrena serrata | Arrasa con todo | Sandy woodlands and disturbed areas. | Native of tropical America. Reported for chrome ore piles in Newport News, VA (Reed 1961, Virginia Botanical Associates 2019), where presumably only a waif. |  (c) Montes de Oca, Joseph - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Gossypianthus | Cottonflower | |||
| Amaranthaceae | Gossypianthus lanuginosus var. lanuginosus | Woolly Cotton-flower | Dry soils, disturbed sandy or rocky areas. | Sc. KS, n. TX, and NM south to se. and s. TX and Mexico. | |
| Amaranthaceae | Gossypianthus lanuginosus var. tenuiflorus | Lanceleaf Cottonflower | Sandy or rocky open areas, disturbed areas. | Nw. AR and n. OK south to s. TX. | |
| Amaranthaceae | Guilleminea |  (c) Kieschnick, Sam - CC-BY | |||
| Amaranthaceae | Guilleminea densa var. aggregata | Dense Cotton-flower | Sandy disturbed area. | Native of sw. United States. First reported for SC by Nelson & Kelly (1997) |  (c) Wrens, Sequoia Janirella - CC-BY-NC, permission granted to NCBG |
| Amaranthaceae | Hermbstaedtia | Guineaflower |  (c) Uys, Wynand - CC-BY | ||
| Amaranthaceae | Hermbstaedtia odorata | Guineaflower | Waif on ore piles. | Native of s. Africa. |  (c) Abram, Kelly - CC-BY |
| Amaranthaceae | Iresine | Bloodleaf | (c) Fleming, Gary P. | ||
| Amaranthaceae | Iresine diffusa | Judas-bush | Hammocks, disturbed areas. | Ne. FL, Panhandle FL, south to s. FL. Reported for NC by Small (1933), so far as is known in error. |  (c) Horn, Jay |
| Amaranthaceae | Iresine palmeri | Palmer's Bloodleaf | Palm woodlands. | S. TX (Cameron County) and ne. Mexico (HGO, NLE, SLP, TAM, VER). |  (c) Kieschnick, Sam - CC-BY |
| Amaranthaceae | Iresine rhizomatosa | Bloodleaf | Moist interdune thickets, hammocks, edges of maritime forests, moist thickets inland, floodplain forests, riverbanks and river scour, bluff forests of the Coastal Plain. | MD south to FL, west to se. TX; also inland from KY and TN west and south to KS and n. TX. | (c) Fleming, Gary P. |
| Amaranthaceae | Tidestromia | Tidestromia |  (c) Semmling, Bonnie - CC-BY | ||
| Amaranthaceae | Tidestromia lanuginosa | Woolly Honeysweet | Dunes, bare ground, roadsides, and other open, disturbed areas. | KS, CO, and NV south to sw. LA, se. and s. TX, and Mexico; adventive elsewhere. |  (c) Kieschnick, Sam - CC-BY |