Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for Cirsium hydrophilum var. hydrophilum (Suisun thistle) and Cordylanthus mollis ssp. mollis (soft bird's-beak)

We, the U.S. Fish and Wildlife Service (the Service), are designating critical habitat for Cirsium hydrophilum var. hydrophilum (Suisun thistle) and Cordylanthus mollis ssp. mollis (soft bird's-beak) under the Endangered Species Act of 1973, as amended (Act). In total, approximately 2,052 acres (ac) (830 hectares (ha)) fall within the boundaries of the critical habitat designation for C. hydrophilum var. hydrophilum in Solano County, California, and approximately 2,276 ac (921 ha) for C. mollis ssp. mollis in Contra Costa, Napa, and Solano Counties, California. Due to overlap of some units, the total area of critical habitat designation for both subspecies is 2,621 ac (1,061 ha).