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HUMBOLDT COUNTY RARE SPECIES LIST
(18 March 2004)
As of the date above, this list provides information for the 105 Humboldt County plants and animals included on the Nevada At-risk Animal and At-risk Plant and Lichen tracking lists and on the Nevada Plant and Animal Watch List. These data reflect only what was entered in our computer databases as of the above date; additional information for some species may await processing in paper files, or may have been entered subsequently.

Information provided for each taxon in the columns below include the various agency status and rank designations, sand and wetland habitat indicators, and endemic status within Nevada. A new Occurrence Status (OCC) column has been added to the left side of the list to show any special status within the county: ?=possible or predicted in the county but not yet confirmed, e=endemic in-state (known in Nevada only from this county), E=endemic (known worldwide only from this county), and I=only introduced or re-introduced occurrence(s) present in this county.

More detailed state-wide information
for these taxa is available in our Detailed Rare Plant and Lichen and Detailed Rare Animal lists, and in the Nevada Rare Plant Atlas, which provides comprehensive information on habitat, life-history, description, threats, survey status, literature sources, and known locations for most plant taxa. Further information may be available on-line for some taxa in other lists or reports, or as maps or images, and general information is available for nearly all taxa on the NatureServe Explorer web site.

Click on a column heading for an explanation of that column. You may need to scroll horizontally in your browser to see all columns. You may also jump to the at-risk taxa or the watch-list taxa.
 
OCC RANKS..... ESA. BLM FS. TAXON NAME AND (VERNACULAR NAME).............. NV. 2N  HAB   END


                                            AT-RISK TAXA TRACKED


*************** Plants - Flowering Dicots

e   G3         xC2   n      Astragalus solitarius                              W
       S1                      (lonesome milkvetch)

    G3         xC2  nc      Astragalus tiehmii                                 W          Y
       S3                      (Tiehm milkvetch)

    G3         xC2   s   s  Astragalus yoder-williamsii                    CE  W
       S1                      (Osgood Mountains milkvetch)

    G2                      Caulanthus barnebyi                                D          Y
       S2                      (Barneby stemflower)

    G3Q        xC2  nc      Cryptantha schoolcraftii                           W          P
       S3                      (Schoolcraft catseye)

    G2G3       xC2   n      Eriogonum anemophilum                              W          Y
       S2S3                    (windloving buckwheat)

    G3         RA   nc      Eriogonum crosbyae                                 W
       S3                      (Crosby buckwheat)

    G3         xC2  nc   c  Eriogonum prociduum                                W
       S1                      (prostrate buckwheat)

    T2G2       RI   nc      Ivesia rhypara var. rhypara                        W
       S2                      (grimy mousetails)

e   T1?G5?           n      Lepidium montanum var. nevadense                   W    S
       S1?                     (Pueblo Valley peppercress)

    G2         xC2   n      Leptodactylon glabrum                              W
       S1                      (Owyhee prickly phlox)

    G2?                     Lomatium packardiae                                W
       S1?                     (Succor Creek parsley)

?   G2G3             c      Lomatium roseanum                                  W
       S2S3                    (adobe parsley)

e   G2         xC2   n      Mentzelia mollis                                   W
       S1                      (smooth stickleaf)

    G4                      Opuntia pulchella                              CY  D    S
       S2S3                    (sand cholla)

    G2G3       xC2   n      Oryctes nevadensis                                 W    S
       S2S3                    (oryctes)

E   G1         xC2   n      Penstemon floribundus                              W          Y
       S1                      (Cordelia beardtongue)

    G2              nc   c  Phacelia inundata                                  W    W
       S2?                     (playa phacelia)

e   G1         C    sc      Potentilla basaltica                               T    W
       S1                      (Soldier Meadow cinquefoil)

    G3                      Psorothamnus kingii                                W    S     Y
       S3                      (Lahontan indigobush)

    G2G3                    Smelowskia holmgrenii                              D          Y
       S2S3                    (Holmgren smelowskia)


*************** Lichens

    G3                      Aspicilia fruticulosa                              M
       S1                      (rim lichen)


*************** Mollusks

E   G1                      Pyrgulopsis imperialis                                  W     Y
       S1                      (Kings River springsnail)

E   G1               n      Pyrgulopsis limaria                                     W     Y
       S1                      (squat Mud Meadows pyrg)

    G2G3                    Pyrgulopsis longiglans                                  W     Y
       S2S3                    (western Lahontan springsnail)

E   G1               n      Pyrgulopsis militaris                                   W     Y
       S1                      (northern Soldier Meadow pyrg)

E   G1         C     s      Pyrgulopsis notidicola                                  W     Y
       S1                      (elongate Mud Meadows springsnail)

    G1G2                    Pyrgulopsis sadai                                       W     Y
       S1S2                    (Sadas pyrg)

E   G1               n      Pyrgulopsis umbilicata                                  W     Y
       S1                      (southern Soldier Meadow pyrg)


*************** Insects

E   T1G3G4           n      Euphilotes pallescens ricei                             S     Y
       S1                      (Rice's blue)

    T1T2G5     xC2          Limenitis archippus lahontani                                 Y
       S1S2                    (Nevada viceroy)

    T3G5                    Lycaena editha obscuramaculata
       S3                      (Elko copper)

    T3T4G5                  Polites sabuleti alkaliensis
       S?                      (alkaline sandhill skipper)

E   T1G5       xC2   n      Polites sabuleti sinemaculata                                 Y
       S1                      (Denio sandhill skipper)

E   G1               n      Serica humboldti                                        S     Y
       S1                      (Humboldt serican scarab)


*************** Fishes

E   G1         LT    s      Eremichthys acros                              yes      W     Y
       S1                      (desert dace)

e   G2         xC2          Gila alvordensis                                        W
       S2                      (Alvord chub)

    T3G4       LT    s   t  Oncorhynchus clarki henshawi                   yes      W
       S3                      (Lahontan cutthroat trout)


*************** Amphibians

    T?QG4      C     s   s  Rana luteiventris pop                                   W
       S2S3                    (Columbia spotted frog (Great Basin pop))


*************** Reptiles

    T3T4G5           n      Elgaria coerulea palmeri
       S2S3                    (Sierra alligator lizard)


*************** Mammals

    G4         xC2   n      Brachylagus idahoensis                         yes
       S3?                     (pygmy rabbit)

    G4              nc  si  Corynorhinus townsendii
       S3B                     (Townsend's big-eared bat)

    G4         xC2   s   s  Euderma maculatum                              yes
       S1S2                    (spotted bat)

    G5               n      Lontra canadensis                              yes
       S2                      (river otter)

    G5               n      Myotis californicus
       S3B                     (California myotis)

    G5         xC2  nc      Myotis ciliolabrum
       S3B                     (western small-footed myotis)

    G5               n      Myotis lucifugus
       S1S2                    (little brown myotis)

    G4G5       xC2  nc      Myotis thysanodes
       S2B                     (fringed myotis)

E   T1G5                    Neotamias amoenus celeris                                     Y
       S2                      (Humboldt yellow-pine chipmunk)

    G4         xC2   n      Sorex preblei
       S2                      (Preble's shrew)


*************** Birds

    G5         xC2   n  si  Accipiter gentilis                             yes
       S3                      (Northern Goshawk)

    TUG4       xC2  nc      Athene cunicularia hypugaea                    yes
       S3B                     (Western Burrowing Owl)

    G4         xC2   n      Buteo regalis                                  yes
       S3                      (Ferruginous Hawk)

    G5               n   i  Buteo swainsoni                                yes
       S2B                     (Swainson's Hawk)

    G4              nc      Centrocercus urophasianus                      yes
       S3S4B                   (Sage Grouse)

    T3G4       LTNL  n      Charadrius alexandrinus nivosus                yes      W
       S1B                     (Western Snowy Plover)

    G4         xC2   n      Chlidonias niger                               yes      W
       S2S3B                   (Black Tern)

    T3G5       C     s   i  Coccyzus americanus occidentalis               yes      W
       S1B                     (Western Yellow-billed Cuckoo)

    G5               n   s  Oreortyx pictus                                yes
       S3                      (Mountain Quail)

    G4               n   s  Otus flammeolus                                yes
       S4?B                    (Flammulated Owl)

    G5         xC2   p      Plegadis chihi                                 yes      W
       S3B                     (White-faced Ibis)


                                            WATCH-LIST TAXA


*************** Plants - Flowering Dicots

    G3G4                    Agastache cusickii                                 D
       S2                      (Cusick hyssop)

    T3G3G4               w  Arabis fernaldiana var. stylosa                               P
       S3                      (stylose rockcress)

    G3                      Artemisia packardiae                               D
       S2                      (Packard mugwort)

?   G4                      Artemisia papposa                                  D
       S2                      (Owyhee sagebrush)

    G3?                     Astragalus porrectus                               D          Y
       S3?                     (Lahontan milkvetch)

    G3                      Astragalus pterocarpus                             D    w     Y
       S3                      (winged milkvetch)

    G3                      Eriogonum rubricaule                               D          Y
       S3                      (Lahontan Basin buckwheat)

    G5?                     Hackelia cusickii                                  D
       S1                      (Cusick stickseed)

    G3                      Hackelia ophiobia                                  D
       S2                      (rattlesnake stickseed)

    G3?                     Linanthus arenicola                                D    S
       S3                      (dune linanthus)

    G3?                     Phacelia glaberrima                                D          Y
       S3?                     (Reese River phacelia)

e   T2G4                    Phacelia lutea var. calva                          M
       S1                      (yellow scorpionflower)

?   G3                      Plagiobothrys salsus                               W    W
       S2S3                    (salt marsh allocarya)


*************** Amphibians

    G5               n  il  Rana pipiens                                            W
       S2S3                    (northern leopard frog)


*************** Reptiles

    G5                      Charina bottae
       S4                      (rubber boa)

    G5               n      Phrynosoma douglasii
       S?                      (short-horned lizard)


*************** Mammals

    G5               n      Lasionycteris noctivagans
       S3N                     (silver-haired bat)

    G5               n      Lasiurus cinereus
       S3?                     (hoary bat)

    G5         xC2  nc      Myotis evotis
       S4B                     (long-eared myotis)

    G5         xC2   n      Myotis volans
       S4B                     (long-legged myotis)

    G5         xC2  nc      Myotis yumanensis
       S4B                     (Yuma myotis)

    G5                      Ochotona princeps                              yes
       S3                      (American pika)

    G5               n      Tadarida brasiliensis
       S4B                     (Brazilian free-tailed bat)


*************** Birds

    G5               n      Aquila chrysaetos                              yes
       S4                      (Golden Eagle)

    G5               n      Asio flammeus                                  yes
       S4                      (Short-eared Owl)

    G5               n      Asio otus                                      yes
       S4                      (Long-eared Owl)

    G5               n      Baeolophus griseus                             yes
       S5B                     (Juniper Titmouse)

    G5               p      Dendroica petechia                             yes      W
       S3B                     (Yellow Warbler)

    G5               n      Dolichonyx oryzivorus                          yes
       S3?B                    (Bobolink)

    G5               n      Falco mexicanus                                yes
       S4                      (Prairie Falcon)

    G5               p      Geothlypis trichas                             yes      W
       S3B                     (Common Yellowthroat)

    T4G5             n      Grus canadensis tabida                         yes
       S3B                     (Greater Sandhill Crane)

    G5               n      Gymnorhinus cyanocephalus                      yes
       S4                      (Pinyon Jay)

    G5               n      Icteria virens                                 yes
       S3B                     (Yellow-breasted Chat)

    G4         xC2N  n      Lanius ludovicianus                            yes
       S3      L               (Loggerhead Shrike)

    G4               n      Leucosticte atrata
       S4                      (Black Rosy-finch)

    G4               n      Melanerpes lewis                               yes
       S4                      (Lewis' Woodpecker)

    G5               n      Numenius americanus                            yes      W
       S3?B                    (Long-billed Curlew)

    G5               p      Oporornis tolmiei                              yes
       S4B                     (Macgillivray's Warbler)

    G5               p      Pandion haliaetus                              yes      W
       S2B                     (Osprey)

    G3               p      Pelecanus erythrorhynchos                      yes      W
       S2B                     (American White Pelican)

    G5               n      Pooecetes gramineus                            yes
       S4B                     (Vesper Sparrow)

    G5               n      Sphyrapicus nuchalis                           yes
       S4S5B                   (Red-naped Sapsucker)

    G5               p      Vermivora celata                               yes
       S4B                     (Orange-crowned Warbler)
 
Last updated on 03/18/2004


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