| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Chenopodiaceae | Atriplex acadiensis | Maritime Orach | Beaches, strands, and salt marshes, in saline and brackish habitats. | N.B., N.S., P.E.I. s. to ME, NH, RI, MA(?), CT(?), and NY(?). |  |
| Chenopodiaceae | Atriplex acanthocarpa var. coahuilensis | Coahuila Saltbush, Armed Saltbush, Huaha | Alkaline soils. | S. TX south into Mexico. | |
| Chenopodiaceae | Atriplex argentea var. argentea | Silverscale | Railroads, dry, open, disturbed areas. | Native of w. North America. | |
| Chenopodiaceae | Atriplex argentea var. expansa | Silver Orach | Dry or saline habitats. | OK and CA south to Mexico (TAM). | |
| Chenopodiaceae | Atriplex canescens var. canescens | Fourwing Saltbush, Chamiza, Shadscale | Saline or alkaline soils. | ND, AB, and WA south to TX, NM, AZ, CA, and Mexico. | |
| Chenopodiaceae | Atriplex dioica | Brackish flats. | NL (Newfoundland) west to AK, south to NC and CA. |  | |
| Chenopodiaceae | Atriplex elegans var. elegans | Saline areas. | W. TX west to s. CA; disjunct in se. TX. | ||
| Chenopodiaceae | Atriplex glabriuscula | Maritime Orach | Inland salt marshes. | Northeastern North America and n. Europe; disjunct in Saltville, VA. |  |
| Chenopodiaceae | Atriplex holocarpa | Pop Saltbush | Alkaline pannes, apparently introduced for forage (Correll & Johnston 1970). | Native of Australia. | |
| Chenopodiaceae | Atriplex hortensis | Garden Orach | Gardens, waste areas. | Native of Eurasia. |  |
| Chenopodiaceae | Atriplex klebergorum | Kleberg Orach | In silty or clayey soils. | Endemic to s. TX. | |
| Chenopodiaceae | Atriplex laciniata | Belgian Orach | Coastal sands. | Possibly native in maritime Canada; also native in nw. Europe. | |
| Chenopodiaceae | Atriplex littoralis | Narrow-leaved Atriplex | Disturbed areas. | Native of Europe; introduced south to PA (Welsh 2003) and MD (Kartesz 2022). |  |
| Chenopodiaceae | Atriplex matamorensis | Quelite Cenizo, Matamoros Saltbush | Coastal saline areas. | Se. TX along the coast into ne. Mexico (TAM). | |
| Chenopodiaceae | Atriplex micrantha | Two-scale Orach | |||
| Chenopodiaceae | Atriplex mucronata | Seabeach Orach, Quelite | Ocean beaches, island-end flats. | NH south to FL west to TX; Bahamas. |  |
| Chenopodiaceae | Atriplex patula | Spear Orach | Disturbed areas, inland saline areas. | Native of Eurasia. |  |
| Chenopodiaceae | Atriplex pentandra | Seabeach Orach | Ocean beaches, island-end flats. | NC to FL, west to TX; Mexico; West Indies; South America. |  |
| Chenopodiaceae | Atriplex prostrata | Thinleaf Orach, Fat-hen | Marsh edges, brackish flats. | Widespread in e. North America, also in w. North America and Eurasia, usually considered to be native of Eurasia. |  |
| Chenopodiaceae | Atriplex rosea | Tumbling Saltweed, Red Orach | Disturbed areas, on ballast. | Native of Eurasia. |  |
| Chenopodiaceae | Atriplex semibaccata | Australian Saltbush, Berry Saltbush | Disturbed areas, apparently introduced for forage. | Introduced at various localities in North America, including DC (FNA). |  |
| Chenopodiaceae | Atriplex tatarica | Tartarian Orach | Introduced on ballast at scattered localities, including AL, FL (Escambia County), NJ, and PA (FNA). | Native of Eurasia. |  |
| Chenopodiaceae | Atriplex wrightii | Wright's Orach | Vacant lot, a waif. | Native of sw. United States and n. Mexico (CHH, SON). |
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