Rare Plant Identifiers
Latin Name: Helianthus paradoxus
Common Names: paradox sunflower
Designations: Federally Threatened, State Endangered (New Mexico), State Threatened (Texas), Center for Plant Conservation (CPC) Rare
Visit Helianthus paradoxus on the USDA PLANTS Database by clicking HERE.
Visit Tamarix ramosissima on the USDA PLANTS Database by clicking HERE.
Bush & VanAuken (1997, 1998) have studied factors influencing the distribution and demography of this species, including grazing and the presence of salt marsh plant.
Bush, J.K., Van Auken, O.W. 1997. The effects of neighbors and grazing on the growth of Helianthus paradoxus. Southwestern Naturalist. 42: 416-422.
Van Auken, O.W., Bush, J.K. 1998. Spatial relationships of Helianthus paradoxus (Compositae) and associated salt marsh plants. Southwestern Naturalist. 43, 3: 313-320.