Federal Register/Vol. 63, No. 197/Tuesday, October 13, 1998
Federal Register / Vol. 63, No. 197 / Tuesday, October 13, 1998 / Rules and Regulations 54975 DEPARTMENT OF THE INTERIOR (spreading navarretia) occur in clay soils juniper woodlands (California or in vernal wetlands that have a clay Department of Fish and Game (CDFG) Fish and Wildlife Service hardpan or silty alkaline substrate. 1989, Orlando Mistretta, Rancho Santa These habitats are restricted or unique, Ana Botanic Garden, in litt. 1993). A. 50 CFR Part 17 often associated with a specific soil type munzii is known from 13 extant RIN 1018±AL88 or hydrologic regime, or both. The populations. Only one of these composite range of these four plants populations is partially on Federal land Endangered and Threatened Wildlife encompasses the interior lowlands and (Roberts 1993a, California Natural and Plants; Determination of foothills of Los Angeles, San Diversity Data Base (CNDDB) 1997, Jeff Endangered or Threatened Status for Bernardino, Orange, and Riverside Newman, U.S. Fish and Wildlife Four Southwestern California Plants counties south into coastal San Diego Service, pers. comm. 1996). Five from Vernal Wetlands and Clay Soils County, California, and the populations occur in the Gavilan Hills, northwestern State of Baja California, including one at Harford Springs AGENCY: Fish and Wildlife Service, Mexico. Although some of these plants County Park, and one on lands managed Interior. are relatively wide-ranging, all are by the Riverside County Habitat ACTION: Final rule. localized in distribution within their Conservation Agency (RCHCA). One respective ranges because of the population occurs in the Temescal SUMMARY: The Fish and Wildlife Service restricted and patchy nature of the Valley on private land; another (Service) determines endangered status habitats in which they are found.
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