LE

Listed Endangered - in danger of extinction in all or a significant portion of its range

LT

Listed Threatened - likely to be classified as Endangered in the foreseeable future if present trends continue

PE

Proposed Endangered

PT

Proposed Threatened

(PS)

Partial Status: a subspecies or a portion of a taxon's range has listed or candidate status, but not in Nevada.

C

Candidate for listing as threatened or endangered, sufficient data on vulnerability or threats on file

XE

Essential experimental population

XN

Nonessential experimental population

_NL

Not Listed (no status) in a portion of the species' range

RA

Former Candidate or Proposed species; current information does not support proposal to list because species has proven more abundant or widespread, or to lack identifiable threats; still a "species of concern"

RI

Former Candidate or Proposed species; current information does not support proposal to list because species lacks sufficient evidence of vulnerability and threats; still a "species of concern"

xC1

Former Category-1 Candidate, now "species of concern"

xC2

Former Category-2 Candidate, now "species of concern"

_SA

Similarity of appearance species

S

Nevada Special Status Species - USFWS listed, proposed or candidate for listing, or protected by Nevada state law

N

Nevada Special Status Species - designated Sensitive by State Office

P

Proposed Nevada Special Status Species - designated proposed Sensitive by BLM State Office

C

BLM California Special Status Species (see definitions S and N)

S

Region 4 (Humboldt-Toiyabe NF) sensitive species

I

Region 5 (Inyo NF) sensitive species

W

Region 5 (Inyo NF) watch species

P

Region 5 (Inyo NF or Lake Tahoe) proposed watch or sensitive species

L

Region 5 (Lake Tahoe Basin Management Unit) sensitive species

C

Region 5 sensitive species, not yet known from Inyo NF or Lake Tahoe Basin Management Unit

E

Region 4 and/or Region 5 Endangered species

T

Region 4 and/or Region 5 Threatened species

G

Global rank indicator, based on worldwide distribution at the species level

T

Global trinomial rank indicator, based on worldwide distribution at the infraspecific level

S

State rank indicator, based on distribution within the state at the lowest taxonomic level

SE

State Exotic rank indicator, for taxa with only non-native occurrences within the state

_l

Critically imperiled due to extreme rarity, imminent threats, or and/or biological factors

_2

Imperiled due to rarity and/or other demonstrable factors

_3

Rare and local throughout its range, or with very restricted range, or otherwise vulnerable to extinction

_4

Apparently secure, though frequently quite rare in parts of its range, especially at its periphery

_5

Demonstrably secure, though frequently quite rare in parts of its range, especially at its periphery

_#_#

Range of uncertainty in a numeric rank (for example, G2G4 or S1S2)

_A

Accidental (casual or stray) within the state, usually far outside its normal range, seen infrequently and irregularly

_H

Historical occurrence(s) only, presumed still extant and could be rediscovered

_P

Potential in the state, but not yet reported or documented

_R

Reported from the state, awaiting firm documentation

_U

Unrankable; present and possibly in peril, but not enough data yet to estimate rank

_X

Extirpated from the state (SX) or extinct (GX or TX)

_Z

Zero definable occurrences in the state, and therefore not of practical conservation concern, although native and regularly found there (usually long-distance migrants without regular and repeating breeding sites)

_?

Not yet ranked at the scale indicated (G, T, or S)

__B

Breeding status within the state; rank for breeding occurrences only

__C

Only in Captivity or Cultivation within the state

__N

Non-breeding status within the state; rank for non-breeding occurrences only

__Q

Taxonomic status Questionable or uncertain

__?

Assigned rank inexact or uncertain

\\

Declining rapidly

\

Declining

=

Stable

+

Increasing

__?

Trend estimated or inferred

Fauna:

YES

Species protected under NRS 501.

Flora:

CE

Critically endangered - species threatened with extinction, whose survival requires assistance because of overexploitation, disease or other factors or because their habitat is threatened with destruction, drastic modification or severe curtailment (N.R.S. 527.260-.300)

CE#

Recommended for listing as critically endangered

CY

Protected as a cactus, yucca, or Christmas tree (N.R.S. 527.060-.120)

WA

Noxious Weed, category A (N.A.C. 555.010)

WB

Noxious Weed, category B (N.A.C. 555.010)

WC

Noxious Weed, category C (N.A.C. 555.010)

Y

Found naturally only in the State of Nevada

P

Probable endemic of Nevada

(blank) known or presumed to be present currently and historically in a county or state

-

Absent, not known to be present currently or historically in a county or state

?

Possible or predicted to occur in a county or state, but not yet verified

e

Endemic within a state, known statewide currently and historically only from this county

E

Endemic, known worldwide currently and historically only from this county or state

I

Introduced or re-introduced, no natural populations currently known from a county or state

X

Extirpated, no populations remain in a county or state

A

Absent currently and historically from Nevada, previously with another status but not now of concern

D

Delisted, dropped from consideration, no longer of concern to NNNPS

E

Endangered, believed to meet the ESA definition of endangered

M

Marginal/Disjunct, rare and/or possibly distinct, and potentially vulnerable, in the Nevada portion of its range, but much more widespread and secure outside Nevada.

PE

Possibly Extirpated, historically native to Nevada, but may no longer survive in the wild

T

Threatened, believed to meet the ESA definition of threatened

W

Watch-list species, potentially vulnerable to becoming Threatened or Endangered

S

Seconds - within 3 seconds of latitude and longitude, or about 0.06 mile (0.1 km), of the true location

M

Minute - within 1 minute of latitude and longitude, or about 1 mile (1.6 km), of the true location

G

General - within about 5 miles (8 km) of the true location, or to map quadrangle, township, or place-name precision only

U

Unmappable - insufficient information for even General-level precision

Ext

Computerized EORs assumed extant (or Extnt), generally separated by at least 0.16 km

Extir

Computerized EORs known extirpated (or Extrp), generally separated by at least 0.16 km

1km-#

Computerized EORs assumed extant and separated by at least 1.0 km

1

Outstanding significance (only known or highest quality population of a G1 or T1 taxon; concentration of higher quality G1/T1, G2/T2, or declining taxa).

2

Very high significance (lower quality G1/T1; higher quality G2/T2 or G3/T3; concentration of moderate quality G2/T2, G3/T3, or declining taxa).

3

High significance (lower quality G2/T2; higher quality G3/T3; concentration of high quality S1 taxa).

4

Moderate significance (lower quality G3/T3; higher quality or only S1 population; highest quality S2; concentration of higher quality S2 or S3s).

5

Of general biodiversity interest or open space.

1

Good chance of being immediately threatened (within 1 year of rank date) by severely destructive forces.

2

Threat expected within 5 years.

3

Definable threat, but not in next 5 years.

4

No threat known for foreseeable future.

5

Land protection complete or adequate reasons exist not to protect the site.

1

Loss or irretrievable degradation of populations could occur within 1 year without immediate new, or ongoing annual, management.

2

Loss of populations could occur within 5 years without new or ongoing management action.

3

Quality of populations could degrade within 5 years without new or ongoing management action.

4

Although not currently threatened, management may be needed in the future to maintain current quality of populations.

5

No serious management needs known or anticipated at site.

S

Taxon is dependent upon sand dunes or strongly associated with sand dunes (i.e. found on dune skirts or extensive deep-sand deposits).

s

Taxon is possibly dependent upon sand dunes or deep-sand deposits.

W

Taxon requires aquatic or wetland habitats (open water, or hydric vegetation and at least seasonally saturated soil) for its survival, either always or at one or more critical life stages.

w

Taxon is usually or always found around the margins of wetland habitats but does not directly use such habitats.

b 

Bureau of Land Management (US Department of the Interior), Nevada resource areas.

c

County land or right-of-way.

d

US Department of Defense (Fallon, Hawthorne, Nellis, or Wendover).

e

US Department of Energy (primarily Nevada Test Site).

f

Forest Service (US Department of Agriculture), Humboldt-Toiyabe National Forest (Region 4).

i

Indian reservations and colonies.

k

National Park Service (US Department of the Interior; Death Valley, Great Basin, Lake Mead).

l

Wilderness areas (all agencies).

m

Municipal land or right-of-way.

n

State of Nevada (parks, transportation corridors, university, waters, wildlife management areas).

p

Private.

r

Bureau of Reclamation (US Department of the Interior).

s

Bureau of Land Management (US Department of the Interior), Eagle Lake and Surprise resource areas (former Susanville District, California-Nevada).

t

Forest Service (US Department of Agriculture), Lake Tahoe Basin Management Unit (Region 5).

w

Fish and Wildlife Service (US Department of the Interior; wildlife ranges and refuges).

y

Forest Service (US Department of Agriculture), Inyo National Forest (Region 5).

Cc

Carson City (former Ormsby County)

Ch

Churchill County

Cl

Clark County

Do

Douglas County

El

Elko County

Es

Esmeralda County

Eu

Eureka County

Hu

Humboldt County

La

Lander County

Li

Lincoln County

Ly

Lyon County

Mi

Mineral County

Ny

Nye County

Pe

Pershing County

St

Storey County

Wa

Washoe County

Wp

White Pine County

_?

Possible or probable occurrence(s) only

_!

Introduced occurrence(s) only

_#

Extirpated occurrence(s) only

N

Not tracked as either an at-risk or watch-list species

W

Tracked as a watch-list species, data passively accumulated

Y

Tracked as an at-risk animal or plant or noxious weed, actively inventoried

a

agricultural conversion or activities

b

biological phenomena (hybridization, extreme rarity, etc.)

c

recreational use of habitat

d

urban, residential, private, or commercial development

e

electronic transmitter site (radio, TV, microwave, etc.) development and maintenance

f

fire and/or fire-suppression activities or effects

g

domestic/feral animal grazing, other herbivory or predation, trampling, associated livestock developments, etc.

h

human-induced climate changes (local to global)

i

disease (including parasites of any kind)

k

declines in interactor species populations (pollinators, food sources, dispersal agents, etc.)

m

minerals (or other locatable or lease-able geo-materials) exploration and development

n

intentional vandalism, commercial or personal harvest or consumption, or other take for scientific, horticultural, hobby, or traditional purposes

o

off-road vehicle use (damage to taxon unintentional; otherwise see n)

p

public purpose uses (military exercises, nuclear testing, etc.)

r

road development and maintenance, including secondary effects (roadkill, fragmentation, etc.)

s

erosion, slope instability, or mass-wasting

t

trash or other unregulated dumping (see also z)

u

utility (energy, communications, water/sewer, etc.) corridor or facility development and maintenance (see also e)

v

vegetation management, manipulation, or bulk harvest activities, including timber harvest

w

water or drainage development or diversion (dredging, geothermal development, groundwater pumping, flood control activities, impoundments, enhanced flooding, etc.)

x

exotic or invasive species effects (competition, predation, conversion, control activities, fire frequency, etc.)

y

herbivory or predation (by non-domestic/feral animals; otherwise see g)

z

hazardous waste or run-off, or other toxic effects

__*

significant new or old unrecovered impacts present or anticipated from this factor (otherwise considered only a potential impact)