Species Profile
Environmental Conservation Online System

Amargosa niterwort (Nitrophila mohavensis)

Kingdom: Plantae
Class: Magnoliopsida
Order: Caryophyllales
Family: Chenopodiaceae

Listing Status:   

Lead Region:  California/Nevada Region (Region 8)
Date Listed: May 20, 1985

  • States/US Territories in which the Amargosa niterwort is known to occur:  California , Nevada
  • USFWS Refuges in which the Amargosa niterwort is known to occur:  ASH MEADOWS NATIONAL WILDLIFE REFUGE

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 5 )
Date Citation Page Title
03/05/2008 73 FR 11945 11950 Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Year Reviews in California, Nevada and Southern Oregon
11/03/2005 70 FR 66842 66844 Endangered and Threatened Wildlife and Plants; Extension of Comment Period for the Valley Elderberry Longhorn Beetle, Smith's Blue Butterfly, Delhi Sands Flower Loving Fly, Morro Shoulderband Snail, Giant Garter Snake, San Francisco Garter Snake, Island Night Lizard, California Least Tern, Least Bell's Vireo, Chinese Camp Brodiaea, Mariposa Pussypaws, San Clemente Island Indian Paintbrush, Spring-Loving Centaury, Springville Clarkia, San Clemente Island Larkspur, Santa Barbara Island Dudleya, Ash Meadows Gumplant, San Clemente Island Woodland Star, San Clemente Island Lotus, San Clemente Island Bush Mallow, Amargosa Niterwort, Eureka Valley Evening Primrose, Yreka Phlox, Hartweg's Golden Sunburst, San Joaquin Adobe Sunburst, Santa Cruz Island Rock-Cress, Keck's Checker-mallow, Eureka Dune Grass, Kneeland Prairie Pennycress, Hidden Lake Bluecurls, and Red Hills Vervain 5-Year Reviews.
07/07/2005 70 FR 39327 39329 Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Reviews of the Valley Elderberry Longhorn Beetle, Smith's Blue Butterfly, Delhi Sands Flower Loving Fly, Morro Shoulderband Snail, Giant Garter Snake, San Francisco Garter Snake, Island Night Lizard, California Least Tern, Least Bell's Vireo, Chinese Camp Brodiaea, Mariposa Pussypaws, San Clemente Island Indian Paintbrush, Spring-Loving Centaury, Springville Clarkia, San Clemente Island Larkspur, Santa Barbara Island Dudleya, Ash Meadows Gumplant, San Clemente Island Woodland Star, San Clemente Island Lotus, San Clemente Island Bush Mallow, Amargosa Niterwort, Eureka Valley Evening Primrose, Yreka Phlox, Hartweg's Golden Sunburst, San Joaquin Adobe Sunburst, Santa Cruz Island Rock-Cress, Keck's Checker-mallow, Eureka Dune Grass, Kneeland Prairie Pennycress, Hidden Lake Bluecurls, and Red Hills Vervain
05/20/1985 50 FR 20777 20794 Determination of Thr. Status w/ Crit. Hab for 6 Plants & 1 Insect in Ash Meadows, NV & CA; & End. Status w/ Crit. Hab. for 1 Plant in Ash Meadows; 50 FR 20777-20794
10/13/1983 48 FR 46590 46598 Proposed End. Status & Crit. Hab. for Seven Plant & One Insect Species in Ash Meadows, NV & CA; 48 FR 46590-46598

» Recovery

Recovery Plan Information Search
Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
09/28/1990 Recovery Plan for the Endangered and Threatened Species of Ash Meadows, Nevada View Implementation Progress Final
Other Recovery Documents (Showing 3 of 3 )
Date Citation Page Title Document Type
03/05/2008 73 FR 11945 11950 Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Year Reviews in California, Nevada and Southern Oregon
  • Notice 5-year Review, Completion
    • 11/03/2005 70 FR 66842 66844 Endangered and Threatened Wildlife and Plants; Extension of Comment Period for the Valley Elderberry Longhorn Beetle, Smith's Blue Butterfly, Delhi Sands Flower Loving Fly, Morro Shoulderband Snail, Giant Garter Snake, San Francisco Garter Snake, Island Night Lizard, California Least Tern, Least Bell's Vireo, Chinese Camp Brodiaea, Mariposa Pussypaws, San Clemente Island Indian Paintbrush, Spring-Loving Centaury, Springville Clarkia, San Clemente Island Larkspur, Santa Barbara Island Dudleya, Ash Meadows Gumplant, San Clemente Island Woodland Star, San Clemente Island Lotus, San Clemente Island Bush Mallow, Amargosa Niterwort, Eureka Valley Evening Primrose, Yreka Phlox, Hartweg's Golden Sunburst, San Joaquin Adobe Sunburst, Santa Cruz Island Rock-Cress, Keck's Checker-mallow, Eureka Dune Grass, Kneeland Prairie Pennycress, Hidden Lake Bluecurls, and Red Hills Vervain 5-Year Reviews.
  • Notice 5-year Review
  • Notice Comment Period Extension
    • 07/07/2005 70 FR 39327 39329 Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Reviews of the Valley Elderberry Longhorn Beetle, Smith's Blue Butterfly, Delhi Sands Flower Loving Fly, Morro Shoulderband Snail, Giant Garter Snake, San Francisco Garter Snake, Island Night Lizard, California Least Tern, Least Bell's Vireo, Chinese Camp Brodiaea, Mariposa Pussypaws, San Clemente Island Indian Paintbrush, Spring-Loving Centaury, Springville Clarkia, San Clemente Island Larkspur, Santa Barbara Island Dudleya, Ash Meadows Gumplant, San Clemente Island Woodland Star, San Clemente Island Lotus, San Clemente Island Bush Mallow, Amargosa Niterwort, Eureka Valley Evening Primrose, Yreka Phlox, Hartweg's Golden Sunburst, San Joaquin Adobe Sunburst, Santa Cruz Island Rock-Cress, Keck's Checker-mallow, Eureka Dune Grass, Kneeland Prairie Pennycress, Hidden Lake Bluecurls, and Red Hills Vervain
  • Notice 5-year Review, Initiation
    • Five Year Review
    Date Title
    01/10/2008 Amargosa Niterwort 5-Year Review

    » Critical Habitat

    Current Critical Habitat Documents (Showing 2 of 2 )
    Date Citation Page Title Document Type Status
    05/20/1985 50 FR 20777 20794 Determination of Thr. Status w/ Crit. Hab for 6 Plants & 1 Insect in Ash Meadows, NV & CA; & End. Status w/ Crit. Hab. for 1 Plant in Ash Meadows; 50 FR 20777-20794 Final Rule Active
    10/13/1983 48 FR 46590 46598 Proposed End. Status & Crit. Hab. for Seven Plant & One Insect Species in Ash Meadows, NV & CA; 48 FR 46590-46598 Proposed Rule Not Required

    To learn more about critical habitat please see http://criticalhabitat.fws.gov

    » Conservation Plans

    No conservation plans have been created for Amargosa niterwort

    » Petitions

    No petition findings have been published for the Amargosa niterwort.

    » Life History

    No Life History information has been entered into this system for this species.

    » Other Resources

    NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

    ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

    Last updated: November 22, 2009