Native populations of fourwing saltbush, Atriplex canescens (Pursh) Nutt., are generally naturally seeded. Two populations were found in New Mexico that are asexually propagated by underground stems. The ratios of female to male plants in asexually produced populations differed from naturally seeded populations. This trait appears to be under genetic control and would be valuable in improving fourwing saltbush for revegetation of rangelands.