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Endangered and Threatened Wildlife and Plants; 5-Year Reviews of Species in California, Nevada, and the Klamath Basin of Oregon

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Fish and Wildlife Service, Interior.




We, the U.S. Fish and Wildlife Service, are initiating 5-year reviews for 53 species under the Endangered Species Act of 1973, as amended (Act). We conduct these reviews to ensure that our classification of each species on the Lists of Endangered and Threatened Wildlife and Plants as threatened or endangered is accurate. A 5-year review assesses the best scientific and commercial data available at the time of the review. We are requesting any information that has become available since our original listing of each of these species. Based on review results, we will determine whether we should change the listing status of any of these species. In this notice, we also announce 5-year reviews that were completed for 32 species in California and Nevada between April 1, 2010, and March 16, 2011.


To ensure consideration, please send your written information by July 25, 2011.


For how and where to send comments or information, see “VIII., Contacts.”

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For species-specific information, contact the appropriate person listed under VIII., Contacts.” For contact information about completed 5-year reviews, see ” IX., Completed 5-Year Reviews.” Individuals who are hearing-impaired or speech-impaired may call the Federal Relay Service at (800) 877-8337 for TTY assistance.

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I. Why do we conduct 5-year reviews?

Under the Act (16 U.S.C. 1531 et seq.), we maintain Lists of Endangered and Threatened Wildlife and Plants (which we collectively refer to as the List) in the Code of Federal Regulations (CFR) at 50 CFR 17.11 (for animals) and 17.12 (for plants). Section 4(c)(2)(A) of the Act requires us to review each listed species' status at least once every 5 years. Then, under section 4(c)(2)(B), we determine whether to remove any species from the List (delist), to reclassify it from endangered to threatened, or to reclassify it from threatened to endangered. Any change in Federal classification requires a separate rulemaking process.

In classifying, we use the following definitions, from 50 CFR 424.02:

(A) Species includes any species or subspecies of fish, wildlife, or plant, and any distinct population segment of any species of vertebrate, that interbreeds when mature;

(B) Endangered species means any species that is in danger of extinction throughout all or a significant portion of its range; and

(C) Threatened species means any species that is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range.

We must support delisting by the best scientific and commercial data available, and only consider delisting if data substantiate that the species is neither endangered nor threatened for one or more of the following reasons (50 CFR 424.11(d)):

(A) The species is considered extinct;

(B) The species is considered to be recovered; or

(C) The original data available when the species was listed, or the interpretation of data, were in error.Start Printed Page 30378

Our regulations at 50 CFR 424.21 require that we publish a notice in the Federal Register announcing the species we are reviewing.

II. What species are under review?

This notice announces our active 5-year status reviews of the species in Table 1.

Table 1—Summary of Listing Information, 22 Animal Species and 31 Plant Species in California and Nevada

Common nameScientific nameStatusWhere listedFinal listing rule
Behren's silverspot butterflySpeyeria zerene behrensiiEndangeredU.S.A. (CA)62 FR 64306; 12/05/1997
California freshwater shrimpSyncaris pacificaEndangeredU.S.A (CA)53 FR 43884; 10/31/1988
California red-legged frogRana draytoniiThreatenedU.S.A (CA)61 FR 25813; 05/23/1996
California tiger salamander (Central)Ambystoma californienseThreatenedU.S.A (CA)69 FR 47212; 08/04/2004
Conservancy fairy shrimpBranchinecta conservatioEndangeredU.S.A (CA)59 FR 48136; 09/19/1994
Delhi sands flower-loving flyRhaphiomidas terminatus abdominalisEndangeredU.S.A. (CA)58 FR 49887; 09/23/1993
El Segundo blue butterflyEuphilotes battoides allyniEndangeredU.S.A. (CA)41 FR 22041; 06/01/1976
Giant garter snakeThamnophis gigasThreatenedU.S.A (CA)58 FR 54053; 10/20/1993
Kern primrose sphinx mothEuproserpinus euterpeThreatenedU.S.A (CA)45 FR 24088; 04/08/1980
Laguna Mountains skipperPyrgus ruralis lagunaeEndangeredU.S.A. (CA)62 FR 2313; 01/16/1997
Lange's metalmark butterflyApodemia mormo langeiEndangeredU.S.A (CA)41 FR 22041; 06/01/1976
Longhorn fairy shrimpBranchinecta longiantennaEndangeredU.S.A (CA)59 FR 48136; 09/19/1994
Lost River suckerDeltistes luxatusEndangeredU.S.A. (OR, CA)53 FR 27130; 07/18/1988
Lotis blue butterflyLycaeides argyrognomon lotisEndangeredU.S.A. (CA)41 FR 22041; 06/01/1976
Morro shoulderband snailHelminthoglypta walkerianaEndangeredU.S.A. (CA)59 FR 64613; 12/15/1994
Palos Verdes blue butterflyGlaucopsyche lygdamus palosverdesensisEndangeredU.S.A. (CA)45 FR 44939; 07/02/1980
San Francisco garter snakeThamnophis sirtalis tetrataeniaEndangeredU.S.A (CA)32 FR 4001; 03/11/1967
Shortnose suckerChasmistes brevirostrisEndangeredU.S.A. (OR, CA)53 FR 27130; 07/18/1988
Smith's blue butterflyEuphilotes enoptes smithiEndangeredU.S.A. (CA)41 FR 22041; 06/01/1976
Vernal pool fairy shrimpBranchinecta lynchiThreatenedU.S.A (CA, OR)59 FR 48136; 09/19/1994
Vernal pool tadpole shrimpLepidurus packardiEndangeredU.S.A (CA)59 FR 48136; 09/19/1994
Western snowy ploverCharadrius alexandrines nivosusThreatenedU.S.A. (CA, OR, WA); Mexico (Baja)58 FR 12864; 03/05/1993
Amargosa niterwortNitrophila mohavensisEndangeredU.S.A. (CA, NV)50 FR 20777; 05/20/1985
Ash-grey paintbrushCastilleja cinereaThreatenedU.S.A.63 FR 49006; 09/14/1998
Ash Meadows gumplantGrindelia fraxino-pratensisThreatenedU.S.A. (CA, NV)50 FR 20777; 05/20/1985
Antioch Dunes evening primroseOenothera deltoides howelliiEndangeredU.S.A (CA)43 FR 17910; 04/26/1978
Bear Valley sandwortArenaria ursinaThreatenedU.S.A. (CA)63 FR 49006; 09/14/1998
Ben Lomond spineflowerChorizanthe pungens var. hartwegianaEndangeredU.S.A. (CA)59 FR 5499; 02/04/1994
California taraxacumTaraxacum californicumEndangeredU.S.A. (CA)63 FR 49006; 09/14/1998
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Catalina Island mountain mahoganyCercocarpus traskiaeEndangeredU.S.A. (CA)62 FR 42692; 08/08/1997
Chinese Camp brodiaeaBrodiaea pallidaThreatenedU.S.A (CA)63 FR 49022; 09/14/1998
Chorro Creek bog thistleCirsium fontinale var. obispoenseEndangeredU.S.A. (CA)59 FR 64613; 12/15/1994
Contra Costa wallflowerErysimum capitatum angustatumEndangeredU.S.A (CA)43 FR 17910; 04/26/1978
Gowen cypressCupressus goveniana ssp. govenianaThreatenedU.S.A. (CA)63 FR 43100; 08/12/1998
Hartweg's golden sunburstPseudobahia bahiifoliaEndangeredU.S.A (CA)62 FR 5542; 02/06/1997
Hoffmann's rock-cressArabis hoffmanniiEndangeredU.S.A. (CA)62 FR 40954; 01/31/1997
Howell's spineflowerChorizanthe howelliiEndangeredU.S.A. (CA)57 FR 27848; 06/22/1992
Keck's checkermallowSidalcea keckiiEndangeredU.S.A (CA)65 FR 7757; 02/16/2000
Kneeland prairie pennycressThlaspi californicum (Noccaea fendleri)EndangeredU.S.A. (CA)65 FR 6332; 02/09/2000
Mariposa pussypawsCalyptridium pulchellumThreatenedU.S.A (CA)63 FR 49022; 09/14/1998
Monterey giliaGilia tenuiflora ssp. arenariaEndangeredU.S.A. (CA)57 FR 27848; 06/22/1992
Morro manzanitaArctostaphylos morroensisThreatenedU.S.A. (CA)59 FR 64613; 12/15/1994
Orcutt's spineflowerChorizanthe orcuttianaEndangeredU.S.A. (CA)61 FR 52370; 10/07/1996
Red Hills vervainVerbena californicaThreatenedU.S.A (CA)63 FR 49006; 09/14/1998
San Jacinto Valley crownscaleAtriplex coronata var. notatiorEndangeredU.S.A. (CA)63 FR 54975; 10/13/1998
San Joaquin adobe sunburstPseudobahia peirsoniiThreatenedU.S.A (CA)62 FR 5542; 02/06/1997
Santa Barbara Island liveforeverDudleya traskiaeEndangeredU.S.A. (CA)43 FR 17916; 04/26/1978
Santa Cruz Island bush-mallowMalacothamnus fasciculatus var. nesioticusEndangeredU.S.A. (CA)62 FR 40954; 07/31/1997
Santa Rosa Island manzanitaArctostaphylos confertifloraEndangeredU.S.A. (CA)62 FR 40957; 07/31/1997
Showy indian cloverTrifolium amoenumEndangeredU.S.A (CA)62 FR 54791; 10/22/1997
Soft-leaved paintbrushCastilleja mollisEndangeredU.S.A. (CA)62 FR 40957; 07/31/1997
Southern Mountain wild buckwheatEriogonum kennedyi var. austromontanumThreatenedU.S.A. (CA)63 FR 49006; 09/14/1998
Yreka phloxPhlox hirsutaEndangeredU.S.A.(CA)65 FR 5268; 02/03/2000

III. What information do we consider in our review?

We consider all new information available at the time we conduct a 5-year status review. We consider the best scientific and commercial data that has become available since our current listing determination or most recent status review, such as:

(A) Species biology, including but not limited to population trends, distribution, abundance, demographics, and genetics;

(B) Habitat conditions, including but not limited to amount, distribution, and suitability;

(C) Conservation measures that have been implemented that benefit the species;

(D) Threat status and trends (see five factors under heading “IV., How Do We Determine Whether a Species Is Endangered or Threatened?”); and

(E) Other new information, data, or corrections, including but not limited to taxonomic or nomenclatural changes, identification of erroneous information contained in the List, and improved analytical methods.

We specifically request information regarding data from any systematic surveys, as well as any studies or analysis of data that may show population size or trends; information pertaining to the biology or ecology of these species; information regarding the effects of current land management on population distribution and abundance; information on the current condition of habitat; and recent information regarding conservation measures that have been implemented to benefit the species. Additionally, we specifically request information regarding the current distribution of populations and Start Printed Page 30380evaluation of threats faced by the species in relation to the five listing factors (as defined in section 4(a)(1) of the Act) and the species' listed status as judged against the definition of threatened or endangered. Finally, we request recommendations pertaining to the development of, or potential updates to, recovery plans and additional actions or studies that would benefit these species in the future.

IV. How do we determine whether a species is endangered or threatened?

Section 4(a)(1) of the Act requires that we determine whether a species is endangered or threatened based on one or more of the five following factors:

(A) The present or threatened destruction, modification, or curtailment of its habitat or range;

(B) Overutilization for commercial, recreational, scientific, or educational purposes;

(C) Disease or predation;

(D) The inadequacy of existing regulatory mechanisms; or

(E) Other natural or manmade factors affecting its continued existence.

Under section 4(b)(1) of the Act, we must base our assessment of these factors solely on the best scientific and commercial data available.

V. What could happen as a result of our review?

For each species under review, if we find new information that indicates a change in classification may be warranted, we may propose a new rule that could do one of the following:

(A) Reclassify the species from threatened to endangered (uplist);

(B) Reclassify the species from endangered to threatened (downlist); or

(C) Remove the species from the List (delist).

If we determine that a change in classification is not warranted, then the species remains on the List under its current status.

VI. Request for New Information

To ensure that a 5-year review is complete and based on the best available scientific and commercial information, we request new information from all sources. See “III., What Information Do We Consider in Our Review?” for specific criteria. If you submit information, support it with documentation such as maps, bibliographic references, methods used to gather and analyze the data, and/or copies of any pertinent publications, reports, or letters by knowledgeable sources.

Submit your comments and materials to the appropriate Fish and Wildlife Office listed under “VIII., Contacts.”

VII. Public Availability of Comments

Before including your address, phone number, e-mail address, or other personal identifying information in your comment, you should be aware that your entire comment—including your personal identifying information—may be made publicly available at any time. While you can ask us in your comment to withhold your personal identifying information from public review, we cannot guarantee that we will be able to do so. Comments and materials received will be available for public inspection, by appointment, during normal business hours at the offices where the comments are submitted.

VIII. Contacts

Send your comments and information on the following species, as well as requests for information, to the corresponding contacts/addresses. You may view information we receive in response to this notice, as well as other documentation in our files, at the following locations by appointment, during normal business hours.

For the Behren's silverspot butterfly, Howell's spineflower, Kneeland prairie pennycress, lotis blue butterfly, and western snowy plover, send information to Field Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Arcata Fish and Wildlife Office, 1655 Heindon Road, Arcata, CA 95521. Information may also be submitted electronically at To obtain further information, contact Kathleen Brubaker at (707) 822-7201.

For the ash-grey paintbrush, Bear Valley sandwort, California taraxacum, Catalina Island mountain mahogany, Delhi Sands flower-loving fly, El Segundo blue butterfly, Laguna Mountains skipper, Orcutt's spineflower, Palos Verdes blue butterfly, San Jacinto Valley crownscale, and Southern Mountain wild buckwheat, send information to Field Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Carlsbad Fish and Wildlife Office, 6010 Hidden Valley Road, Suite 101, Carlsbad, CA 92011. Information may also be submitted electronically at To obtain further information, contact Bradd Baskerville-Bridges at the Carlsbad Fish and Wildlife Office at (760) 431-9440.

For the Lost River sucker and shortnose sucker, send information to Field Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Klamath Falls Fish and Wildlife Office, 1936 California Avenue, Klamath Falls, OR 97601. Information may also be submitted electronically at To obtain further information, contact Josh Rasmussen at the Klamath Falls Fish and Wildlife Office at (541) 885-8481.

For the Amargosa niterwort and Ash Meadows gumplant, send information to State Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Nevada Fish and Wildlife Office, 1340 Financial Blvd., Suite 234, Reno, Nevada 89502-7147. Information may also be submitted electronically at To obtain further information, contact Jill Ralston at the Nevada Fish and Wildlife Office at (775) 861-6300.

For the Antioch Dunes evening primrose, California freshwater shrimp, California red-legged frog, California tiger salamander (Central), Chinese Camp brodiaea, Conservancy fairy shrimp, Contra Costa wallflower, Giant garter snake, Hartweg's golden sunburst, Keck's checkermallow, Kern primrose sphinx moth, Lange's metalmark butterfly, longhorn fairy shrimp, Mariposa pussypaws, Red Hills vervain, San Francisco garter snake, San Joaquin adobe sunburst, showy indian clover, vernal pool fairy shrimp, and vernal pool tadpole shrimp, send information to Field Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office, 2800 Cottage Way, Room W-2605, Sacramento, CA 95825. Information may also be submitted electronically at To obtain further information, contact Josh Hull at the Sacramento Fish and Wildlife Office at (916) 414-6600.

For the Ben Lomond spineflower, Chorro Creek bog thistle, Gowen cypress, Hoffmann's rock-cress, Monterey gilia, Morro manzanita, Morro shoulderband snail, Santa Barbara Island liveforever, Santa Cruz Island bush-mallow, Santa Rosa Island manzanita, Smith's blue butterfly, and soft-leaved paintbrush, send information to Field Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Ventura Fish and Wildlife Office, 2493 Portola Road, Suite B, Ventura, CA 93003. Information may also be submitted electronically at To obtain further information on the animal species, contact Mike McCrary at the Ventura Fish and Wildlife Office at (805) 644-1766. To obtain further information on the plant species, contact Connie Rutherford at the Ventura Fish and Wildlife Office at (805) 644-1766.

For the Yreka phlox, send information to Field Supervisor, Attention: 5-Year Review, U.S. Fish and Wildlife Service, Yreka Fish and Wildlife Office, 1829 Start Printed Page 30381South Oregon Street Yreka, CA 96097. To obtain further information, contact Nadine Kanim at the Yreka Fish and Wildlife Office at (530) 842-5763.

All electronic information must be submitted in Text format or Rich Text format. Include the following identifier in the subject line of the e-mail: Information on 5-year review for [NAME OF SPECIES], and include your name and return address in the body of your message.

IX. Completed 5-Year Reviews

We also take this opportunity to inform the public of 5-year reviews that we completed between April 1, 2010, and March 16, 2011, for 31 species in California and Nevada (Table 2). In addition, we include in Table 2 the desert pupfish for which a review was completed in which we concurred. Reviews for these 32 species can be found at​endangered/​species/​index.html. Any recommended change in listing status resulting from these completed reviews will require a separate rulemaking process.

Table 2—Summary of 32 Species in California and Nevada for Which 5-Year Reviews Were Completed Between April 1, 2010 and March 16, 2011

Common nameScientific nameRecommendationLead Fish and Wildlife OfficeContact
Coachella Valley fringe-toed lizardUma inornataNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Coastal California gnatcatcherPolioptila californica californiaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Delta smeltHypomesus transpacificusUplistSan Francisco Bay DeltaJennifer Norris (916) 930-5614.
Desert pupfishCyprinodon maculariusNo status changeTucson, Arizona sub-officeDoug Duncan (520) 670-6150.
Desert tortoise (Mojave population)Gopherus agassiziiNo status changeNevadaJill Ralston (775) 861-6300.
Pacific pocket mousePerognathus longimembris pacificusNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Santa Ana suckerCatostomus santaanaeNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Big-leaved crownbeardVerbesina dissitaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
California Orcutt grassOrcuttia californicaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Del Mar manzanitaArctostaphylos glandulosa subsp. crassifoliaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Fountain thistleCirsium fontinale var. fontinaleNo status changeSacramentoJosh Hull (916) 414-6600.
Ione buckwheatEriogonum apricum (inclusive of vars. apricum and prostratum)No status changeSacramentoJosh Hull (916) 414-6600.
Ione manzanitaArctostaphylos myrtifoliaUplistSacramentoJosh Hull (916) 414-6600.
Island malacothrixMalacothrix squalidaNo status changeVenturaConnie Rutherford (805) 644-1766.
Island rush-roseHelianthemum greeneiNo status changeVenturaConnie Rutherford (805) 644-1766.
La Graciosa thistleCirsium loncholepisNo status changeVenturaConnie Rutherford (805) 644-1766.
Laguna Beach liveforeverDudleya stoloniferaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Lompoc yerba santaEriodictyon capitatumNo status changeVenturaConnie Rutherford (805) 644-1766.
Otay mesa mintPogogyne nudiusculaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Presidio clarkiaClarkia franciscanaNo status changeSacramentoJosh Hull (916) 414-6600.
San Diego ambrosiaAmbrosia pumilaNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
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San Diego button celeryEryngium aristulatum var. parishiiNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
San Diego mesa mintPogogyne abramsiiNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
San Joaquin woolly-threadsMonolopia (=Lembertia) congdoniiNo status changeSacramentoJosh Hull (916) 414-6600.
San Mateo thornmintAcanthomintha obovata ssp. duttoniiNo status changeSacramentoJosh Hull (916) 414-6600.
Santa Cruz Island malacothrixMalacothrix indecoraNo status changeVenturaConnie Rutherford (805) 644-1766.
Slender-horned spineflowerDodecahema leptocerasNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Slender-petaled mustard (thelypodium)Thelypodium stenopetalumNo status changeCarlsbadBradd Baskerville-Bridges (760) 431-9440.
Sonoma spineflowerChorizanthe validaNo status changeSacramentoJosh Hull (916) 414-6600.
Tiburon jewelflowerStreptanthus nigerNo status changeSacramentoJosh Hull (916) 414-6600.
Ventura marsh milk-vetchAstragalus pycnostachyus var. lanosiNo status changeVenturaConnie Rutherford (805) 644-1766.
White-rayed pentachaetaPentachaeta bellidifloraNo status changeSacramentoJosh Hull (916) 414-6600.

X. Authority

We publish this notice under the authority of the Endangered Species Act of 1973, as amended (16 U.S.C. 1531 et seq.).

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Dated: May 18, 2011.

Alexandra Pitts,

Acting Regional Director, Pacific Southwest Region, U.S. Fish and Wildlife Service.

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[FR Doc. 2011-12861 Filed 5-24-11; 8:45 am]