| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Alliaceae | Alliaceae | Onion Family | ![]() (c) Bradley, Keith | ||
| Alliaceae | Allium | Onion, Garlic, Leek, Ramps, Chives | ![]() (c) Oglesby, Emily | ||
| Alliaceae | Allium allegheniense | Allegheny Onion | In thin soils around outcrops, generally of mafic rocks (such as amphibolite or hornblende gneiss) or calcareous rocks, primarily at moderate to fairly high elevations (1000-1600m). | Known from w. Virginia and e. West Virginia south through w. North Carolina to n. Georgia. | ![]() (c) Cressler, Alan M. |
| Alliaceae | Allium ampeloprasum | Wild Leek, Yorktown Onion, Elephant Garlic | Roadsides and other disturbed areas. | Native of Mediterranean Europe, w. Asia, and Africa. | ![]() (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Alliaceae | Allium burdickii | Narrow-leaved Ramps, White Ramps, Wild Leek, American White Ramsons | Northern hardwood forests, primarily at higher elevations than A. tricoccum, also in cove forests and rich slopes. | Maine west to North Dakota and south to New Jersey, and in the Mountains to w. Virginia, w. North Carolina, and n. Georgia, disjunct in Arkansas (but see note about taxonomic complexity within what is being for now treated as Allium burdickii). | ![]() (c) Cressler, Alan M. |
| Alliaceae | Allium canadense | Wild Onion | Bottomland forests, pastures, roadsides; though native, often appearing weedy. | New Brunswick west to North Dakota, south to c. peninsular Florida and Texas. | ![]() (c) Bradley, Keith |
| Alliaceae | Allium cepa | Garden Onion | Persisting from gardens, or appearing around compost or trash piles. | Native to c. Asia. | ![]() (c) Bean, Human - CC-BY |
| Alliaceae | Allium cernuum | Nodding Onion | Generally in open woodlands or around outcrops of shale, mafic, ultramafic, or calcareous rocks, in the mountains at low elevations. | New York, Michigan, Minnesota, and British Columbia, south to Georgia and Arizona; the distribution is oddly fragmented into largely Rocky Mountain, Ozarkian, and Appalachian segments, and it is quite possible that semicryptic taxa are involved. | ![]() (c) Fleming, Gary P. |
| Alliaceae | Allium cuthbertii | Cuthbert's Onion | Longleaf pine sandhills, other dry sandy areas. | C. South Carolina south through Georgia and Alabama to ne. Florida. Previous reports from North Carolina are based on misidentifications or populations now recognized as Allium keeverae. | ![]() (c) Finzel, Brian - CC-BY-SA |
| Alliaceae | Allium drummondii | Drummond's Onion, Prairie Onion | Prairies. | Nebraska and ne. Colorado south to sw. Arkansas, e. Texas, s. Texas, New Mexico, and n. Mexico (Chihuahua, Coahuila, Durango, Nuevo León, Tamaulipas). | ![]() (c) Finzel, Brian - CC-BY-SA |
| Alliaceae | Allium elmendorfii | Elmendorf's Onion | Sandy soils, openings in post oak woodlands, primarily in the Carrizo Formation. | Endemic to sc. Texas to se. Texas: Aransas, Atascosa, Bee, Bexar, Gonzales, Guadalupe, Kenedy, Llano, Nueces, Refugio, San Patricio and Wilson counties (Carr 2016). | |
| Alliaceae | Allium fistulosum | Welsh Onion, Japanese Bunching Onion, Cibol, Chibble, Sybo, Long Green Onion, Spring Onion, Sybow | Waif from garden cultivation. | Native of China. | ![]() (c) Юлия - CC-BY |
| Alliaceae | Allium fraseri | Fraser's Wild Onion | Rocky areas, woodlands, prairies. | South Dakota south to c. Texas. | ![]() (c) Campos, Aidan |
| Alliaceae | Allium hyacinthoides | Fragrant Wild Onion | Calcareous prairies. | Oklahoma south to c. Texas. | ![]() (c) Smith, Jake - CC-BY-NC, permission granted to NCBG |
| Alliaceae | Allium keeverae | Keever's Onion | In thin soils around rock outcrops, receiving nutrient-rich seepage and occurring with many calciphiles. | Endemic to the Brushy Mountains in the nw. Piedmont of North Carolina (Alexander and Wilkes counties). | ![]() (c) Julie, Tuttle - C, permission granted to NCBG |
| Alliaceae | Allium kunthii | Kunth's Onion | Dry, rocky areas over limestone or caliche. | S. Texas, s. New Mexico, and s. Arizona south into Mexico. | ![]() (c) Alexander, Cecelia - CC0 |
| Alliaceae | Allium lavendulare | Ozark Onion, Tall Pink Glade Onion | Glades, prairies, bluffs, oak savannas, disturbed areas. | Missouri and e. South Dakota south to Arkansas and Oklahoma; disjunct in Nashville Basin of Tennessee (D. Estes, pers. comm. 2020). | ![]() (c) Aaron, Nathan |
| Alliaceae | Allium mobilense | Mobile Onion | Dry woodlands, prairies. | C. North Carolina south to ne. Florida and Panhandle Florida, west to Texas. | ![]() (c) Ward, Scott G |
| Alliaceae | Allium moly | Golden Garlic, Lily Leek | Presumably a waif from cultivation, | Native of the w. Mediterranean region. | |
| Alliaceae | Allium neapolitanum | White Garlic, Daffodil Garlic, Naples Garlic | Suburban woodlands, other disturbed areas. | Native of Meditearranean Europe, Asia, and Africa. Reported from Franklin County, Florida (Wunderlin & Hansen 2011), Marengo County, Alabama (Keener 2012), and other Gulf Coast states (Kartesz 2022). | ![]() (c) Weakley, Alan |
| Alliaceae | Allium nigrum | Black Garlic | Waif from garden cultivation. | Native of Mediterranean Europe, Asia, and Africa | ![]() (c) Kosterin, Oleg - CC-BY |
| Alliaceae | Allium oleraceum | Field Garlic | Disturbed areas. | Native of Europe. | ![]() (c) Hacker, Patrick - CC-BY |
| Alliaceae | Allium oxyphilum | Acid Onion | Shale barrens, on strongly acidic shales. | Endemic to a small area of West Virginia (Greenbrier, Mercer, Monroe, and Summers counties) and Virginia (Alleghany and Craig counties). | ![]() (c) Brian - CC-BY-NC |
| Alliaceae | Allium perdulce var. perdulce | Fraser's Onion | Sandy or gravelly prairies. | W. Iowa and South Dakota south to c. Texas and e. New Mexico. | ![]() (c) bobnieman - CC-BY |
| Alliaceae | Allium porrum | Leek | Cultivated, rarely persistent as a waif. | Native of Mediterranean Europe. | ![]() (c) Jeff - CC-BY |
| Alliaceae | Allium runyonii | Runyon's Onion | Sandy soils. | S. Texas south to ne. Mexico. | ![]() (c) Shorma, Jared - CC-BY |
| Alliaceae | Allium sativum | Garlic | Gardens, trash heaps, fields; commonly cultivated, rarely occurring as a waif or persistent in gardens. | Native of Eurasia. | ![]() (c) Atachkin, Vladimir - CC-BY |
| Alliaceae | Allium schoenoprasum var. schoenoprasum | Chives | Disturbed areas, a waif from garden use. | Native of Eurasia. | ![]() (c) Fleming, Gary P. |
| Alliaceae | Allium schoenoprasum var. sibiricum | Chives | Sometimes planted and may persist. | Native south to Maine, New Hampshire, Vermont, New York, Michigan, Wisconsin, Minnesota, and Washington. | |
| Alliaceae | Allium scorodoprasum | Sand Leek | Native of Europe. | ||
| Alliaceae | Allium species 1 | Savanna Onion | Wet savannas over coquina limestone (marl). | This remarkable Coastal Plain relative of A. cernuum was first discovered in 1981 by Steve Leonard in Pender County; it has since been found in similar sites in Onslow and Brunswick counties, always associated with other endemic species of primarily montane genera, such as Thalictrum cooleyi and Parnassia caroliniana | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Alliaceae | Allium species 3 [=ecristatum] | Crestless Wild Onion | Poorly drained sites on sandy substrates within coastal prairies of the Coastal Bend area (Carr 2016). | Endemic in s. Texas: Goliad, Matagorda (?), Nueces (?), Refugio, San Patricio and Wilson (?) counties (Carr 2016). | |
| Alliaceae | Allium species 4 | Limestone glades and barrens. | Sc. Kentucky south through c. and e. Tennessee to nw. Georgia and n. Alabama. | ![]() (c) Oliver, Ren | |
| Alliaceae | Allium speculae | Flatrock Onion | Seepy edges of vegetation mats on Lithonia granitic gneiss and on sandstone in ne. AL. | Endemic to wc. Georgia and ne. Alabama. | ![]() (c) Finzel, Brian - CC-BY-SA |
| Alliaceae | Allium sphaerocephalon | Round-head Leek, Flowering Onion, Ballhead Onion | Disturbed areas, from horticultural use. | Native of Mediterranean Europe, w. Asia, and n. Africa. | ![]() (c) Heuchert, Juvia - CC-BY |
| Alliaceae | Allium stellatum | Glade Onion, Prairie Onion | Limestone glades, calcareous prairies, calcareous barrens. | Ontario and Saskatchewan south to n. Arkansas and e. Texas; disjunct east of the Mississippi in c. Tennessee, c. Kentucky, and nw. Georgia. | ![]() (c) Cressler, Alan M. |
| Alliaceae | Allium textile | White Wild Onion | ![]() (c) Catto, Caleb - CC-BY | ||
| Alliaceae | Allium tricoccum | Ramps, Red Ramps, Wild Leek, Rampscallions, American Red Ramsons | Cove forests and mesic slope forests. | Nova Scotia and North Dakota south to n. Georgia, n. Alabama, and Missouri. | ![]() (c) Bradley, Keith |
| Alliaceae | Allium tuberosum | Chinese Chives, Oriental Garlic | Dunes, disturbed areas. | Native of e. Asia. See Barger et al. (2012) for additional information on the Alabama occurrence. | ![]() (c) Campos, Aidan |
| Alliaceae | Allium vineale | Field Garlic, Onion-grass, Wild Onion | Lawns, pastures, other disturbed places. | Native of Eurasia. | ![]() (c) Fleming, Gary P. |
| Alliaceae | Ipheion | Star-of-Bethlehem | ![]() (c) Bradley, Keith | ||
| Alliaceae | Ipheion uniflorum | Star-of-Bethlehem, Spring Star | Commonly cultivated, escaping to lawns, suburban woodlands, bottomlands, disturbed places. | Native of South America (Argentina and Uruguay). Reported for South Carolina by Hill & Horn (1997). | ![]() (c) Bradley, Keith |
| Alliaceae | Nothoscordum | Grace Garlic, False Garlic | ![]() (c) Bradley, Keith | ||
| Alliaceae | Nothoscordum bivalve | Grace Garlic, False Garlic, Crow Poison | Around granite flatrocks, in glades and barrens of various kinds, in open woodlands, prairies, and also weedy in fields and along roadsides. | Se. Virginia west to s. Ohio and Kansas, south to c. peninsular Florida, Texas, and Mexico; South America. | ![]() (c) Bradley, Keith |
| Alliaceae | Nothoscordum gracile | Fragrant False Garlic | Disturbed areas, lawns. | Native of South America. Reported as (barely) naturalized in Arkadelphia, Arkansas (Serviss et al. 2020). | ![]() (c) Piller, Erick - CC-BY |
| Alliaceae | Tulbaghia | Tulbaghia | ![]() (c) Rogers, Gary - CC-BY | ||
| Alliaceae | Tulbaghia violacea | Society Garlic | Waif from horticultural use. | Native of s. Africa. | ![]() (c) Rogers, Gary - CC-BY |





































