| Atriplex argentea | Silvery Orach, Silverscale saltbush, Stalked saltbush | Amaranthaceae | | 3 | 2 |
| Atriplex argentea expansa | Silverscale Saltbush | Amaranthaceae | A. expansa. S. Wats. | 2 | 0 |
| Atriplex californica | California Orach, California saltbush | Amaranthaceae | A. californica Moq. is a synonym of Extriplex californica | 3 | 0 |
| Atriplex canescens | Grey Sage Brush, Fourwing saltbush | Amaranthaceae | | 3 | 1 |
| Atriplex carnosa | Thickleaf Orach | Amaranthaceae | | 2 | 0 |
| Atriplex cinerea | Grey Saltbush | Amaranthaceae | A. cinerea subsp. eucinerea Aellen. A. cinerea var. typica Aellen. Neopreissia cinerea (Poir.) Ulbr. Obione cinerea (Poir.) G.L.Chu. Accepted Infraspecifics A. cinerea subsp. cinerea. A. cinerea var. adamsonii Aellen. A. cinerea subsp. bolusii (C.H.Wright) Aellen [2-5]. | 3 | 0 |
| Atriplex confertifolia | Shadscale, Shadscale saltbush | Amaranthaceae | A. jonesii. Obione confertifolia. | 3 | 1 |
| Atriplex coronata | Crownscale | Amaranthaceae | | 2 | 0 |
| Atriplex dimorphostegia | | Amaranthaceae | | 2 | 0 |
| Atriplex elegans | Wheelscale Saltbush | Amaranthaceae | | 3 | 0 |
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