2002 Federal Register, 67 FR 67967; Centralized Library: U.S. Fish
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Thursday, November 7, 2002 Part IV Department of the Interior Fish and Wildlife Service 50 CFR Part 17 Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for Eriodictyon capitatum (Lompoc yerba santa) and Deinandra increscens ssp. villosa (Gaviota tarplant); Final Rule VerDate 0ct<31>2002 16:40 Nov 06, 2002 Jkt 200001 PO 00000 Frm 00001 Fmt 4717 Sfmt 4717 E:\FR\FM\07NOR3.SGM 07NOR3 67968 Federal Register / Vol. 67, No. 216 / Thursday, November 7, 2002 / Rules and Regulations DEPARTMENT OF THE INTERIOR section) (telephone 805/644–1766; with smooth or continuous edges) facsimile 805/644–3958). Information leaves and its head-like inflorescence. Fish and Wildlife Service regarding this designation is available in The fruits are 4-valved capsules that are alternate formats upon request. 1 to 3 mm (0.03 to 0.1 in) wide, and 50 CFR Part 17 SUPPLEMENTARY INFORMATION: contain up to 5 seeds (Halse 1993). RIN 1018–AG88 However, seed set is typically much Background less; Elam (1994) found that flowers that Endangered and Threatened Wildlife We proposed to designate critical were intentionally cross-pollinated and Plants; Designation of Critical habitat for Eriodictyon capitatum produced a mean of 1.77 seeds per fruit, Habitat for Eriodictyon capitatum (Lompoc yerba santa) and Deinandra while flowers that were intentionally (Lompoc yerba santa) and Deinandra increscens ssp. villosa (Gaviota tarplant) self-pollinated produced an average of increscens ssp. villosa (Gaviota on November 15, 2001 (66 FR 57559). In 0.03 seeds per fruit. tarplant) the proposed rule, we also included a Eriodictyon capitatum also spreads proposal to designate critical habitat for vegetatively through the production of AGENCY: Fish and Wildlife Service, Cirsium loncholepis (La Graciosa rhizomes. New stems emerging from Interior. thistle). these rhizomes are referred to as ramets. ACTION: Final rule. During the public comment period, For plants that spread vegetatively, we received a recommendation from a ramet is a general term used to describe SUMMARY: We, the U.S. Fish and peer reviewer to delay the publication of above-ground stems, regardless of their Wildlife Service (Service), designate a final rule for Cirsium loncholepis underground physiological connection. critical habitat pursuant to the pending the determination of its In recent observations, new stems were Endangered Species Act of 1973, as taxonomic status. Recent research on C. found to be emerging 30 m (100 ft) or amended (Act), for Eriodictyon loncholepis raises significant questions more away from the nearest visible capitatum (Lompoc yerba santa) and regarding the taxonomy of the species. ramet, suggesting there is a long Deinandra increscens ssp. villosa The taxonomic relationship between C. distance spread of the root system [= Hemizonia increscens ssp. villosa] loncholepis and C. scariosum (elk (Diane Pratt and Connie Rutherford, (Gaviota tarplant). Approximately 6,519 thistle), which is widespread in Service, pers. obs., 2002; Chris hectares (ha) (16,110 acres (ac)) in Santa montane wetland areas in California, is Gillespie, Vandenberg Air Force Base, Barbara County, California, are within under review (Dr. David Keil, California pers. comm., 2002). the boundaries of the critical habitat Polytechnic University, San Luis Eriodictyon capitatum occurs in designation. Obispo, California, pers. comm., 2002). maritime chaparral with Dendromecon Critical habitat identifies specific Cirsium loncholepis may be proposed as rigida (bush poppy), Quercus areas, both occupied and unoccupied, a new taxon, C. scariosum var. citrinum, berberidifolia (California scrub oak), Q. that are essential to the conservation of in The Flora of North America, which parvula (scrub oak), and Ceanothus a listed species and that may require will be submitted for peer review in cuneatus (buck brush), and in southern special management considerations or December of 2002. Due to the bishop pine forests that intergrade with protection. uncertainty in the taxonomic status of C. chaparral comprised primarily of Section 7(a)(2) of the Act requires that loncholepis, we and the plaintiffs agreed Arctostaphylos spp. (manzanita) and each Federal agency shall, in to a 1-year extension to the date by Salvia mellifera (black sage) (Smith consultation with and with the which the final rule for C. loncholepis 1983). These maritime chaparral and assistance of the Service, insure that any critical habitat is to be submitted for bishop pine forests are found inland action authorized, funded or carried out publication. from the active dunes, where there are by such agency is not likely to Eriodictyon capitatum and Deinandra remnants of prehistoric uplifted dunes jeopardize the continued existence of an increscens ssp. villosa [=Hemizonia that have formed a weakly cemented endangered or threatened species or increscens ssp. villosa] occur along the sandstone that has weathered to result in the destruction or adverse south central California coast. They are produce a sandy, extremely well modification of critical habitat. Section restricted to a narrow area in northern drained, and nearly infertile soil (Davis 4 of the Act requires us to consider and western Santa Barbara County, in et al. 1988). This substrate has a limited economic and other relevant impacts of declining or altered habitats including distribution, occurring on the following specifying any particular area as critical central maritime chaparral, valley mesas in San Luis Obispo and Santa habitat.We solicited data and comments needlegrass grassland, and southern Barbara counties: Nipomo Mesa; from the public on all aspects of the bishop pine forest (Holland 1986; Casmalia Hills; San Antonio Terrace; proposal, including data on economic Schoenherr 1992). Burton Mesa; Lompoc Terrace; and and other impacts of the designation. Purisima Hills. Central coast maritime Eriodictyon capitatum chaparral is the primary habitat that DATES: This rule is effective December 9, Eriodictyon capitatum (Lompoc yerba occurs on the sand hills and has been 2002. santa) was collected by Hoffman in the focus of several studies (Ferren et al. ADDRESSES: Comments and materials 1932, near Lompoc, growing under 1984; Davis et al. 1988; Philbrick and received, as well as supporting Pinus muricata (bishop pine), and Odion 1988; Davis et al. 1989; Odion et documentation, used in the preparation described the following year (Eastwood al. 1992). Seven local endemic plant of this final rule are available for public 1933). Eriodictyon capitatum is a shrub species, and at least 16 other uncommon inspection, by appointment, during in the waterleaf family plant species, are also components of normal business hours at the Ventura (Hydrophyllaceae) with narrow, sticky this habitat. This community type is an Fish and Wildlife Office, U.S. Fish and stems up to 3 meters (m) (10 feet (ft)) exceptional biological resource due to Wildlife Service, 2493 Portola Road, tall. The head-like inflorescence has the concentration of rare plants found Suite B, Ventura, CA 93003. lavender corollas that are 6 to 15 within it, but most of it has been FOR FURTHER INFORMATION CONTACT: millimeters (mm) (0.2 to 0.6 inch (in)) converted to other land uses, Diane Noda, Field Supervisor, Ventura long. It is distinguished from related fragmented, or degraded by non-native Fish and Wildlife Office (see ADDRESSES species by its narrow, entire (margins species invasion (Davis et al. 1988; VerDate 0ct<31>2002 16:40 Nov 06, 2002 Jkt 200001 PO 00000 Frm 00002 Fmt 4701 Sfmt 4700 E:\FR\FM\07NOR3.SGM 07NOR3 Federal Register / Vol. 67, No. 216 / Thursday, November 7, 2002 / Rules and Regulations 67969 Odion et al. 1992). Central coast three Santa Ynez Mountains groups Incompatible fire management maritime chaparral is considered ranged from 11 to 20 genets each; the practices (e.g., prescribed fires that are threatened and sensitive by the single group on Vandenberg that was too frequent or poorly-timed), habitat California Department of Fish and composed of multiple genetic loss, invasive non-native plant species, Game’s (CDFG) Natural Heritage individuals had 18 genets. Eriodictyon low seed productivity, residential and Division (Holland 1986). Southern capitatum is self-incompatible (i.e., it commercial development, and naturally bishop pine forest is scattered in the requires pollen from genetically occurring catastrophic events pose Purisima Hills and intergrades with the different plants to produce seed), and its significant threats to the long-term central coast maritime chaparral fruits appear to be parasitized by an survival of this species. Habitat for (Holland 1986). insect (Elam 1994). Eriodictyon capitatum may be degraded The soils associated with Eriodictyon Because Eriodictyon capitatum by the presence of non-native species, capitatum are extremely variable, but all evolved in fire-adapted vegetation such as veldt grass and iceplant, that tend to be slightly to strongly acidic. communities, fire likely plays an may compete with native vegetation. Sites on ridgetops have very shallow important role in the persistence and These fast-spreading species are soils that consist of exposed parent reproduction of populations of the difficult to control, particularly after an material. Permeability ranges from low taxon. Fire cues, such as heat and area has been denuded by wildfire. E. (high clay content), in the Santa Ynez charate (charred wood) have been found capitatum was listed as rare by the State Mountains,