40
APPENDIX D - FLORAL AND FAUNAL COMPENDIA; SENSITIVE PLANT SPECIES TABLE

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Page 1: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

APPENDIX D - FLORAL AND FAUNAL COMPENDIA; SENSITIVE PLANT SPECIES TABLE

Page 2: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

FLORAL AND FAUNAL COMPENDIUM

* = Non-native Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 1

Page 3: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Floral and Faunal Compendium

* = Non-native Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 2 PRELIMINARY WORKING DRAFT – Work-in-Progress

GYMNOSPERMS

SCIENTIFIC NAME COMMON NAME

Pinaceae Pine Family Abies concolor white fir

ensiana mountain hemlock Pinus contorta ssp. murrayana lodgepole pine

Tsuga mert

Page 4: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Floral and Faunal Compendium

* = Non-native Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 3 PRELIMINARY WORKING DRAFT – Work-in-Progress

ANGIOSPERMS (DICOTYLEDONS)

SCIENTIFIC NAME COMMON NAME

Apiaceae Carrot Family Ligusticum grayi Gray’s lovage

Apocynaceae Dogbane Family Apocynum androsaemifolium bitter dogbane

Sunflower FamilAsteraceae y Chaenactis douglasii Douglas’ chaenactis

idiflorus ssp. viscidiflorus sticky-leaved rabbitbrush oomeri goldenbush

y

Chrysothamnus visc Ericameria bl Erigeron sp. dais

Boraginaceae Borage Family Cryptantha sp. cryptantha

thrys sp. plagiobothrys

Mustard Famil

Plagiobo

Brassicaceae y Anelsonia eurycarpa dagger-pod

fracta aved rockcress sperma oad-seeded rockcress

pitatum western wallflower sp. peppergrass

Arabis holboellii var. retro bristly-le Arabis platy br Erysimum capitatum var. ca Lepidium

Chenopodiaceae Goosefoot Family* Chenopodium sp. pigweed

th FamilEricaceae Hea y Arctostaphylos patula greenleaf manzanita

LeFabaceae gume Family Lupinus andersonii Anderson’s lupine

nus argenteus var. palmeri lupine Brewer’s lupine

Lupi Lupinus breweri

Fagaceae Oak Family Chrysolepis sempervirens chinquapin

Gentian FamilGentianaceae y Swertia puberulenta swertia

Hydrophyllaceae Waterleaf Family Phacelia hastata phacelia

Page 5: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Floral and Faunal Compendium

* = Non-native Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 4 PRELIMINARY WORKING DRAFT – Work-in-Progress

ANGIOSPERMS (DICOTYLEDONS)

SCIENTIFIC NAME COMMON NAME

Lamiaceae Mint Family Monardella odoratissima mountain pennyroyal

Onagraceae Evening Primrose Family Gayophytum sp. low gayophytum

x FamilPolemoniaceae Phlo y Ipomopsis aggregata carlet gilia

ciliatus whisker-brush tallii Nuttall’s linanthus

s Linanthus Linanthus nut

Polygonaceae Buckwheat Family Eriogonum nudum var. deductum nude buckwheat

gonum saxatile buckwheat var. reddingianum spurrey buckwheat

rslane Famil

Erio Eriogonum spergulinum

Portulacaceae Pu y Calyptridium umbellatum pussypaws

uckthorn FamilRhamnaceae B y Ceanothus velutinus tobacco brush

ceae Rose FamilRosa y Prunus emarginata bitter cherry

entata antelope bitterbrush Purshia trid

Scrophulariaceae Figwort Family Castilleja angustifolia Indian paintbrush Pedicularis semibarbata pinewoods lousewort

desert

Page 6: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Floral and Faunal Compendium

* = Non-native Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 5 PRELIMINARY WORKING DRAFT – Work-in-Progress

ANGIOSPERMS (MONOCOTYLEDONS)

SCIENTIFIC NAME COMMON NAME

Cyperaceae Heath Family Carex whitneyi sedge

Orchid FamilOrchidaceae y Corallorhiza maculata spotted coral root

FamilPoaceae Grass y Achnatherum occidentale needlegrass * Bromus sp. brome

s bottlebrush squirreltail Elymus elymoide

Page 7: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 1 PRELIMINARY WORKING DRAFT – Work-in-Progress

WILDLIFE COMPENDIUM (POTENTIAL SPECIES)

Page 8: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Wildlife Compendium

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 2 PRELIMINARY WORKING DRAFT – Work-in-Progress

REPTILES

SCIENTIFIC NAME COMMON NAME

Anguidae ? Elgaria

Alligator, Glass, and Lateral Fold Lizards coerulea northern alligator lizard

Boas and Pythons na bottae rubber

Colubridae Colubrids his elegans western terrestrial garter snake

somatidae Zebra-tailed, Earless, Fringe-toed, Spiny, Tree, d, and Horned Lizards

? Sceloperus occidentalis

Boidae ? Chari boa

? Thamnop

Phryno Side-blotcheSierra fence lizard

Page 9: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Wildlife Compendium

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 3 PRELIMINARY WORKING DRAFT – Work-in-Progress

BIRDS

SCIENTIFIC NAME COMMON NAME

Accipitridae Hawkscipiter cooperii Cooper’s hawk

lis northern goshawk piter striatusa sharp-shinned hawk

icensis red-tailed hawk

ns American kestrel

nidae Pheasants and Quailspus obscurus blue grouse

ortyx pictus mountain quail

? Ac? Accipiter genti? Acci? Buteo jama

Falconidae Falco? Falco sparverius

Phasia? Dendraga? Ore

Columbidae Pigeons and Dovesaida macroura mourning dove ? Zen

Strigidae True Owlsrginianus great horned owl

lidae Hummin

? Bubo vi

Trochi gbirdstycercus d-tailed hummingbird

s rufus rufous hummingbird s sasin len’s hummingbird

lliope Calliope hummingbird

ood

? Selasphorus pla broa? Selasphoru? Selasphoru Al? Stellula ca

Picidae W peckerstus ern flicker

lbolarvatus woodpecker cticus black-backed three-toed woodpecker

cens wny woodpecker osus ry woodpecker

cus thyroideus Williamson’s sapsucker cus varius yellow-bellied sapsucker

? Colaptes aura north? Picoides a white-headed? Picoides ar? Picoides pubes do? Picoides vill hai? Sphyrapi? Sphyrapi

Strigidae Owlsgreat gray owl

? Hirundo rustica barn swallow ? Petrochelidon pyrrhonota cliff swallow ? Stelgidopteryx serripennis northern rough-winged swallow

? Strix nebulosa

Hirundinidae Swallows

Page 10: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Wildlife Compendium

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 4 PRELIMINARY WORKING DRAFT – Work-in-Progress

BIRDS

SCIENTIFIC NAME COMMON NAME

? Tachycineta bicolor tree swallow ? Tachycineta thalassina violet-green swallow

Corvidae Jays and CrowsAmerican crow common raven

telleri Steller’s jay ana Clark’s nutcracker

Titmiceli mountain chickadee

dae Nuthatchesdensis red-breasted nuthatch linensis white-breasted nuthatch aea gmy nuthatch

ree

? Corvus brachyrhynchos ? Corvus corax ? Cyanocitta s? Nucifraga columbi

Paridae ? Poecile gambe

Sitti? Sitta cana? Sitta caro? Sitta pygm py

Certhiidae C persrthia americana brown creeper ? Ce

Troglodytidae Wrens house wren

idae Thrushesuttatus hermit thrush

wnsendi Townsend’s solitaire rucoides mountain bluebird

na western bluebird urdus migratorius American robin

? Troglodytes aedon

Turd? Catharus g? Myadestes to? Sialia cur? Sialia mexica? T

Regulidae Kingletsrapa golden-crowned kinglet

nalssserina amoena lazuli bunting

us black-headed grosbeak

? Regulus sat

Cardinalidae Cardi? Pa? Pheucticus melanocephal

Thraupidae Tanagersoviciana western tanager

Emberizidae Emberizids? Junco hyemalis dark-eyed junco ? Melospiza melodia song sparrow

? Piranga lud

Page 11: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Wildlife Compendium

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 5 PRELIMINARY WORKING DRAFT – Work-in-Progress

BIRDS

SCIENTIFIC NAME COMMON NAME

? Pipilo chlorurus green-tailed towhee ? Pipilo erythrophthalmus rufous-sided towhee ? Spizella atrogularis black-chinned sparrow

Brewer’s sparrow a chipping sparrow

cophrys hite-crowned sparrow

lackbirdsus er’s blackbird

Molothrus ater brown-headed cowbird

? Spizella breweri? Spizella passerin? Zonotrichia leu w

Icteridae B? Euphagus cyanocephal Brew?

Fringillidae Finchess pinus ne siskin s psaltria lesser goldfinch

s cassinii Cassin’s finch mexicanus house finch

rpureus purple finch nus evening grosbeak

cleator pine grosbeak

? Cardueli pi? Cardueli? Carpodacu? Carpodacus ? Carpodacus pu? Coccothraustes vesperti? Pinicola enu

Page 12: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Wildlife Compendium

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 6 PRELIMINARY WORKING DRAFT – Work-in-Progress

MAMMALS

SCIENTIFIC NAME COMMON NAME

Arvicolidae Voles and Alliesrtatus sagebrush vole

ongicaudus long-tailed meadow mouse us montanus mountain meadow mouse

ys intermedius heather vole

? Lagurus cu? Microtus l? Microt? Phenacom

Canidae Dogs, Foxes, and Allies

Urocyon cinereoargenteus gray fox vulpes necator Sierra Nevada red fox

onus le deer

Deer Mice, Wood Rats, and Allies eotoma cinerea ed wood rat

s maniculatus ouse otis western harvest mouse

? Canis latrans coyote ? ? Vulpes

Cervidae Deer Odocoileus hemi Mu

Cricetidae ? N bushy-tail? Peromyscu deer m? Reithrodontomys megal

Dipodidae Jumping Miceinceps stern jumping mouse ? Zapus pr we

Erethizontidae Porcupineum porcupine

Cats concolor mountain lion

nx rufus bobcat

? Erethizon dorsat

Felidae ? Felis? Ly

Geomyidae Pocket Gophers monticola mountain pocket gopher ? Thomomys

Mephitidae Skunks and Stink Badgers hitis ped skunk

ee-tailed Batsensis Brazilian free-tailed bat

Weasels, Marten, and Allies ? Martes americana American marten ? Martes pennanti pacifica Pacific fisher ? Mustela erminae ermine

? Mephitis mep stri

Molossidae Fr? Tadarida brasili

Mustelidae

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Wildlife Compendium

* = Non-native Species ? = Potentially Present

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 7 PRELIMINARY WORKING DRAFT – Work-in-Progress

MAMMALS

SCIENTIFIC NAME COMMON NAME

? Mustela frenata long-tailed weasel ? Taxidea taxus badger

Procyonidae Racoons and Ringtailsotor racoon

S

? Procyon l

Sciuridae quirrelsrmota flaviventris yellow-bellied marmot

philus beecheyi California ground squirrel s beldingi elding’s ground squirrel

ateralis mantled ground squirrel sus epole chipmunk ouglasii ’ squirrel

? Ma? Spermo? Spermophilu B? Spermophilus l golden-? Tamias specio lodg? Tamiasciurus d Douglas

Talpidae Molesatimanus broad-handed mole

rsUrsus americanus black bear

? Scapanus l

Ursidae Bea

Vespertilionidae Vesper Batsornicus California myotis

evotis long-eared myotis gus little brown myotis

s Yuma myotis

? Myotis calif? Myotis ? Myotis lucifu? Myotis yumanensi

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Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 1 PRELIMINARY WORKING DRAFT – Work-in-Progress

SENSITIVE PLANT SPECIES

Page 15: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 2

Table 1

Sensitive Plant Species

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

NON-VASCULAR PLANTS BRYOPHYTES Bruchiaceae Moss Fami ly Bruchia bolanderi Bolander’s bruchia N/A NONE NONE 2.2 FS: SENSITIVE Lower montane coniferous

forest, meadows and seeps,

l

Fresno, Mariposa, Nevada, Plumas, Tehama, Tulare, Tuo ne Cos., CA; NV,

NE

upfoE

per montane coniferousrest on damp soil. evations from 1,700 to

2,800 m.

lumOR, UT.

Helodium blandowii Blandow’s bog- N/A NONE NONE 2 Meadows and seeps, su rest

ns fro 1,862 to 2,700 m.

Fresno, Mono, Siskiyou ; NV, OR, UT,

WA.

NE moss

.3 FS: SENSITIVEbalpine coniferous fo damp soil. Elevatiom

onCos., CA

Meesia triquetra ed h - N/A ON 4 Bo anco

st. El 2,

Alpine, Butte, El Dorado, mboldt, Lassen,

Madera, Mariposa, Nevada, Placer, Plumas, Riverside, Shasta, Sierra, Siskiyou, Tehama, Tulare

; NV, OR.

NE three-rankmoss

ump N E NONE .2 :FS SENSITIVE

mo

gs and fens, meadowsd seeps, subalpine niferous forest, upper ntane coniferous fore

evations from 1,300 to953 m.

Fresno, Hu

Cos., CAMeesia uliginosa d-nerved

hump-moss N/A NONE NONE 2 B

ano

m ferous forest p soil. Elevations

fr

El Dorado, Fresno, Madera, Nevada, Plumas, Riverside, Sierra, Siskiyou, Tehama, Tulare Cos., CA; NV, OR.

NE broa .2 FS: SENSITIVE

c

ogs and fens, meadows d seeps, subalpine niferous forest, upper ontane coni

on damom 1,300 to 2,804 m.

Peltigeraceae Lichen Family Hydrotheria venosa hydrotheria lichen N/A NONE NONE NON SENSITIVE Grows on rocks in

woodland streams at high elevations.

Mountainous regions of U.S.

NE E FS:

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 3 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

VASCULAR PLANTS GYMNOSPERMS Ophioglossaceae o

Family Adder’s T ngue

Botrychium ascen moonwort Jul.-Aug. E NONE 2.3 FS: SENSITIVE

ontane coniferous forest on mesic soil.

e to 1,8

Known in California only from two

urrences: near Jonesville on the Butte and Tehama County border, and south of Fallen Leaf Lake, El Dorado County. Butte, El Dorado, Tehama Cos., CA; ID, NV, OR, WA, and WY.

NE dens upswept NON Lower m

El vations from 1,50030 m.

occ

Botrychicrenulat

um um

alloped oonwort

. ON NO Bogo rest,

arshes and s fro

te, Colusa, Los Angeles, Mono, San Bernardino, Tehama, and Tulare Cos., CA; AZ, ID, NV, OR, UT,

, and WY.

NE Scm

Jun.-Jul N E NE 2.2 FS: SENSITIVE m

mea

s and fens, lower ntane coniferous fodows and seeps, m swamps. Elevation

m 1,500 to 3,280 m.

But

WABotrychium lineare slender moonwort Unknown FC 1

SENSITIVE pp rous

fore m. Known in California only from one small

urrence near Piute Pass. Inyo Co.

NE NONE B.3 FS: U er montane conifest. Elevation 2,600

occ

Botrychium lunaria common moonwort Aug. NONE NONE Me forest,

andconi st. Elevations from 2,280 to 3,400 m.

Mono, Modoc, Nevada, Sierra, Tulare, and Tuolumne Cos., CA; AZ, ID, NM, NV, OR, UT, and WA.

NE 2.3 FS: SENSITIVE sub

adows and seeps, alpine coniferous upper montane ferous fore

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 4 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Botrychium minganense

mingan moonwort Jul.-Aug. NONE NONE 2.2 FS: SENSITIVE

Lower montane coniferous forest on mesic soils. Elevati 00 to

3

Butte, Fresno, and Tehama Cos., CA; AZ, ID, NV, OR, UT,

WA.

NE

ons from 1,518 0 m. and

Page 18: Final cover-vol II - a123.g.akamai.neta123.g.akamai.net/7/123/11558/abc123/forestservic.download.akamai... · FLORAL AND FAUNAL COMPENDIUM * = Non-native Species Mammoth Mountain

Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 5 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

ANGIOSPERMS (DICOTYLEDONS) Apiaceae Carrot Family Asteraceae Sunflower Family Ericameria gilmanii Gilman’s

hAug.-Sept. NONE NONE 1B.3 FS:

SENSITIVE Subalpine coniferous forest,

montane nb cky

soil m 2,100 3,400 m.

Inyo and Kern Cos., CA. Inyo, White, and

sert mountains.

NE goldenbus and upper

cocar

to

iferous forest on onate or granitic, ro

. Elevations fro

de

Erigeron aequifolius Hall’s fleabane Jul.-Aug. NONE NONE oadleaved upland forest, w ferous

ore uniper oo

rous forest on c soil. Occurs

on dry rock outcrops in ranite walls and canyons.

Elevations from 1,500 to ,44

Fresno, Kern, and are Cos., CA. hern high Sierra

Nevada floristic province.

NE 1B.3 FS: BrSENSITIVE lo

fwmoroc

g

er montane conist, pinyon and jdland, and upper

ntane conifeky, graniti

2 0 m.

TulSout

Erigeron multiceps . NON , upper st. Elevations

Fresno and Tulare s., CA.

NE

Kern River daisy Jun.-Sept E NONE 1B.2 FS: SENSITIVE

Meconi

adows and seepsferous fore

from 1,500 to 2,500 m. Co

Erigeron uncialis var. uncialis

lone fleabane Jun.-Jul. NONE re pine on

rb evations m.

o, San Bernardino, Cos., CA; NV; White,

o, and desert mountains.

NE

NONE 1B.2 FS: SENSITIVE

Gconi

at Basin scrub, subalferous forest

cafro

onate soils. Elm 2,100 to 2,900

Iny

Iny

Hulsea brevifolia short-leaved hulsea May-Aug. NONE NONE ferous forest on granitic or volcanic (pumice) soil of forest openings and road cuts. Elevations from 1,500 to 3,200m.

Fresno, Madera, Mariposa, Tulare, Tuolumne Cos., CA.

NE 1B.2 FS: SENSITIVE

Upper montane coni

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 6 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Hulsea vestita ssp. pygmaeae

Pygmy hulsea Jun–Oct. NONE NONE 1B.3 FS: SENSITIVE

Alpine boulder and rock fields, subalpine coniferous forest on granitic, gravelly soil 2,835

San Bernardino and Tulare Cos., CA.

NE

. Elevations from 3,900 m. to

Senecio pattersonensis Mono ragwort Jul.-Aug. NONE NONE NSITIVE

pine boulder and rock ds. Elevations from 2,900

to 3

Mono and Nevada Cos., CA.

NE 1B.3. FS: SE

Alfiel

,720 m. Boraginaceae Borage Family Cryptantha incana cryp antha E NON 1 FS: ontane coniferous

re y l 1,430 ,150 m.

Inyo and Tulare Cos., A.

NE Tulare t Jun.-Aug. NON E B.3 SENSITIVE fo

soito 2

Lower mst, gravelly or rocks. Elevations from

C

Cryptantha roosio tlecone tantha

Jun.-Jul. NO SR ub s forest r soils.

Ele 2,440 to 3,230 m.

Inyo County, CA. ite and Inyo

Mountains.

NE rum briscryp

NE 1 .2 B FS: SENSITIVE

Son

alpine coniferouocky carbonatevations from

Wh

Brassicaceae F mily Mustard a Arabis bodiensis i

cress NON

EAlpi ck fiel b,

nywoo ions from 2,1

Fresno, Inyo, Mono, d Tulare Cos., CA;

NV. Great Basin floristic province, W ite and Inyo

ountains.

NE

Bodie H lls rock Jun.-Aug. E NONE 1B.3 FS: SENSITIV

pi

ne boulder and rod, Great Basin scruon and juniper dland. Elevat

95 to 3,530 m.

an

hM

Arabis pinzlae Pinzl’s rock cress Jul. NONE NONE ck ferous

y soils. Ele m.

Mono Co., CA; NV. Great Basin floristic

nce, White and Inyo Mountains.

NE

1B.3 FS: SENSITIVE

Alpifiel

ne boulder and rod, subalpine coni

forest on scree or sandvations 3,000 to 3,350

provi

Arabis shockleyi Shockley’s rock cress

May-Jun. NONE NONE SENSITIVE

on and juniper woodland on carbonate or quartzite, rock or gravelly soils. Elevations from 875 to 2,310 m.

Inyo, Mono, and San Bernardino Cos., CA; NV.

NE 2.2 FS:

Piny

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 7 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Caulostramina jaegeri Jaeger’s caulostramina

May-Jul. NONE NONE 1B.2 FS: SENSITIVE

Great Basin scrub, pinyon and juniper woodland, subalpine coniferous forest n c soils. levations from 2,135 to 800 m.

Inyo County CA. NE

oE2,

arbonate, rocky

Draba asterophora var. asterophora

Lake Tahoe draba Jul.-Aug. NONE NONE SENSITIVE

pine boulder and rock field, subalpine coniferous fore m

5

Alpine, El Dorado, Mono, Tuolumne

s., CA; NV.

NE 1B.3 FS: Al

st. Elevations fro00 to 3,505 m. 2,

Co

Draba incrassata Sweetwater ntains d

Jul.-Aug. NONE NONE Alpi der and rock fiel rhyolite

e Sweetwater ns on loose, steep,

s slopes. Elevations from o 3,500 m.

Mono County, CA. eetwater

ountains.

NE Mou raba

1B.3 FS: SENSITIVE

subMtalu2,500 t

ne bould; endemic to the strates of th

ountai

SwM

Draba lonchocavar. lonchocarpa

r

ed ON Alpi k el e.

El 3,000 to 3,2

o and Mono Cos., CA; ID, NV, OR, UT, WA, and WY.

NE pa spear-fruit draba Jun.-Jul. N E NONE 2.3 NONE fi

ne boulder and rocds on limestone scre

evations from95 m.

Iny

Draba monoensis ountdraba

Aug. NONE lpi k fiel d seeps.

v to

Known only from the White Mountains in M no Co., CA.

NE

White M ains NONE 1B.2 FS: SENSITIVE

A ne boulder and rocd, meadows an

Ele3,9

ations from 3,00060 m.

o

Draba praealta subalpine draba Jul.-Aug. NONE NONE NONE mesic soil ons from 2,500 to 3

Fresno, Inyo, Mono, and Tuolumne Cos.,

; NV, OR, WA, and WY.

NE 2.3 Meadow and seeps on s. Elevati,415 m. CA

Draba sharsmithii Mt. Whitney draba Jul.-Aug. NONE NONE SENSITIVE

Alpi ck fiel coniferous forest. Elevations from 3,355 to 3,960 m.

Fresno, Inyo, and Tulare Cos., CA. Southern high Sierra Nevada floristic province.

NE 1B.3 FS: ne boulder and rod, subalpine

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 8 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Polyctenium williamsiae

William’s combleaf Mar.-Jul. NONE NONE 1B.2 FS: SENSITIVE

Marshes and swamps (alkali), playas, vernal pools. Elevations from 1,350 to 2,7

Lassen and Mono Cos., CA; NV, OR.

NE

00 m. Streptanthus gracilis alpine jewel-flower Jul.-Aug. NONE rous forest,

upper montane coniferous e cky soils.

cc ckets ong granitic outcrops and us boulders. Elevations m 2,800 to 3,500 m.

Fresno, Inyo, and Tulare Cos., CA.

NE NONE 1B.3 FS: SENSITIVE

Subalpine conife

forOamtalfro

st on granitic, rours in gravel po

Streptanthus s

Masonic Mountain er

Jun.-Jul. NONE NONE Pinyon and juniper woodland rocky

1,980

Inyo and Mono Cos., ; NV. White and

Inyo Mountains.

NE oliganthu jewelflow

1B.2 FS: SENSITIVE on v

soilto

olcanic or granitic,s. Elevations from

3,050 m.

CA

Crassulaceae Fam y Stonecrop il Sedum pinetorum sedu ON N Hab

Ele . own only from type

collection from deserted Pine City

mmoth.

NE Pine City m Jul. N E ONE 3 NONE itat not known. vation 2,650 m

Kn

above MaComments: Suitable habitat for Pine City sedum occurs within the study area though the habitat is only marginally suitable; however, this species not observed during botanical survey

is not expected to occur since it was s conducted during its blooming period. The species is expected more on rocky ledges and cliffs which habitats not present in the project area

son 2004, We Nelson 19 6). (Nel is 1998, and 9Fabaceae Pea Family Astragalus cimae var. sufflatus

inflated milk-vetch Apr.-Jun. NONE NONE Great Basin scrub, pinyon and juniper woodland on carbonate, rocky soils. Elevations from 1,500 to 2,075 m.

Inyo Co., CA. NE 1B.3 FS: SENSITIVE

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 9 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Astragalus johannis-howellii

Long Valley milk- vetch

Jun.-Aug. NONE SR 1B.2 FS: SENSITIVE

Great Basin scrub on sandy loam soils. Elevation from 2,040 to 2,530 m.

Mono Co., CA; NV. Occurs northeast of Whitmore Hot Springs

he vicinity of Hot Creek gorge.

NE

in t

Astragalus lemmonii Lemmon’s milk-vetch

May-Aug. NONE NONE 1SENSITIVE

Gre ows and d

e shores. Ele to

Lassen, Mono, Modoc, Plumas, and

rra Cos., CA; NV, OR. Occurs at Hot Creek Fish Hatchery.

NE B.2 FS: at Basin scrub, mead seeps, marshes an

swa

2,2

mps within lakvations from 1,28000m.

Sie

Astragalus sus var.

Kern milk-vetch Jun.-Jul. NONE NONE

Mesub rest

s ions ro 0 m.

Inyo and Tulare Cos., ; NV. Southern

high Sierra Nevada Floristic Province.

NE lentiginokernensis

1B.2 FS: SENSITIVE

onf

adows and seeps, alpine coniferous foandy soil. Elevat

m 2,350 m. to 2,75

CA

Astragalus monoensis Mono milk- NO S e d upper n rous forest on

mice flats with sparse ative cover; Elevations

from m.

ono County NE vetch Jun.-Aug. NE R 1B.2 FS: SENSITIVE

Grmopuveget

at Basin scrtane conife

ub an

2,110 to 3,355

M

Astragalus ravenii Raven’s milk-vetch Ju t. NON Alpi rock ln rest on pumice

ith sparse vegetative ve m 2,110

Fresno, Inyo, and Mono Cos., CA. Great Basin floristic province.

NE

l.-Sep E NONE 1B.2 FS: SENSITIVE fie

coflats w

ne boulder and d, upper montane iferous fo

coto

r. Elevations fro 3,355 m.

Lupinus duranii Mono Lake lupine May-Aug. NONE NONE at Basin scrub, subalpine ferous forest, and upper

montane coniferous forest on pumice sand flats and coarse barren soils of volcanic origin. Elevations from 2,000 to 3,000 m.

Mono County, CA. NE 1B.2 FS: SENSITIVE

Greconi

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 10 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Lupinus gracilentus slender lupine Jul.-Aug. NONE NONE 1B.3 FS: SENSITIVE

Subalpine coniferous forest. Elevations from 2,500 to 3,500 m.

Inyo, Mariposa, and Tuolomne Cos., CA.

NE

Lupinus lepidus culbertsonii

Hockett Meadolupine

NON NOmo on

es evations m.

Fresno, Mono, and Tulare Cos., CA.

curs in Convict Lakes Basin.

NE var. ws Jul.-Aug. E NE 1B.3 FS: SENSITIVE

Meadow and seeps, upper ntane coniferous forest

mfro

ic, rocky soil. Elm 2,440 to 3,000

Oc

Lupinus padre-crowleyi

Father Crowley’s lupine

Jul.-Aug. NONE SR parian scru ontane coni deco Occurs

utes, in ges, and evations

m 2,500 to 4,000 m.

Inyo, Mono, and Tulare Cos., CA.

hern high Sierra Nevada floristic province. Inyo and White Mountains.

NE 1B.2 FS: SENSITIVE

Great Basin scrub, rib, upper mferous forest onmposed granite.

teep avalanche chny sites in drainaalley bottoms. El

on ssunin vfro

Sout

Trifolium dedecke ’s M l. O NO ow us re per

woodland, subalpine iferous forest, upper ntane coniferous forest on

anitic, rocky soils. Occurs in gravelly canyons and

opes, in cracks in granite rock outcrops, and the understory of pinyon pines. Ele tions from 2,100 to 3,5

o, Kern, Mono, and Tulare Cos. CA.

NE rae DeDecker clover ay-Ju N NE NE 1B.3 FS: SENSITIVE

Lfo

conmogr

sl

er montane coniferost, pinyon and juni

va00 m.

Iny

Hydrophyllaceae Waterleaf Family Phacelia inyoensis Inyo phacelia Apr.-Aug. NONE NONE 1 FS:

SENSITIVE Meadows and seeps. Elevations from 915 to 3,200 m.

Inyo and Mono Cos. CA.

NE B.2

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 11 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Phacelia monoensis Mono County phacelia

May-Jul. NONE NONE 1B.1 FS: SENSITIVE

Great basin scrub, pinyon and juniper woodland on clay soils, often along roadsides. Ele to

0 m.

Mono Co., CA; NV NE

vations from 1,9002,90

Phacelia mustelina Death Valley round-leaved

lia

May-Jul. NONE NONE SENSITIVE

javean desert scrub, pinyon and juniper woodland on c canic,

El ons from 730 to 2,620

Inyo and San Bernardino Cos., CA;

.

NE

phace

1B.3 FS:

Mo

arbonate or volgravelly or rocky soils.

evatim.

NV

Phacelia millensis

Nine-Mile Canyon May-Jun. NONE NONE 1 FS oadleaved upland forest, s

pinyoo tane

or velly soil. Occurs on dry,

sturbed banks on granitic or metamorphic soils. Elevations from 1,645 to

.

Inyo, Kern, and Tulare s., CA. Southern

high Sierra Nevada and Mojave floristic provinces.

NE noven phacelia

B.2 : BrSENSITIVE ci

wcongradi

montane woodland, on and juniper dland, upper mon

iferous forest on sandy

2,640 m

Co

Lamiaceae Mint Famil y Monardella beneol -smelling

monardella Jul.-Sept. NONE pi k

re montane coniferous forest on granitic

to 3,500 m.

Inyo, Kern, and Tulare Cos. Southern high Sierra Nevada floristic province.

NE ens sweet NONE 1B.3 FS: SENSITIVE

Alfielfo

ne boulder and rocd, subalpine coniferous st, upper

soil. Elevations from 2,500

Comments: Suitable habitat for sweet-smelling monardella occurs within the study area; however, this species is not expected to occur since it was not observed during botanical surveys conducted during its blooming period (Nelson 2004, Weis 1998, and Nelson 1996).

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 12 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Nyctaginaceae Four O’Clock Family

alpina Ramshaw ws abron

. FC N 1B.1 FS: SENSITIVE

Meadow and seeps on granitic, gravelly margins. Elevations from 2,400 to

7

Known from only two extant occurrences at Ramshaw Meadows and Temleton Meadows. Tulare County, CA.

NE Meado ia

Jul.-Aug ONE

2, 00 m.

Abronia nana ssp. Coville’s dwarf

May-Aug. NONE NONE 4.2 FS: Gre Joshua ree and ni lpine

mo erous forest on , carbonate soils.

Elevations from 1,600 to 3,100 m.

Inyo, Mono, and San Bernardino Cos., CA; NV. Desert Mountains.

NE covillei abronia SENSITIVE t

jucon

sandy

at Basin scrub, woodland, pinyonper woodland, subaiferous forest, upper ntane conif

Onagraceae Fam Primrose ily Epilobium howelli e firew Ju g. NON Me

b rous forest mesic soil, mossy seeps.

Elevations from 1,970 to 2,7 m.

Fresno, Mono, and Sierra Cos., CA.

NE i subalpin eed l.-Au E NONE 1B.3 FS: SENSITIVE su

on

adow and seeps, alpine conife

00Polemoniaceae Phlox Family Polemonium chartaceum

Mason’s sky pilot Jun.-Aug. NONE lpi k el coniferous

forest on rocky, serpentine, granitic, or volcanic soil. Ele to ,2

ono, Siskiyou, and Trinity Cos., CA; NV; Inyo and White Mountains.

NE

NONE 1B.3 FS: SENSITIVE

Afi

ne boulder and rocd, subalpine

vations from 1,80000 m. 4

M

Polygonaceae Buckwheat Family Dedeckera eurekensis July gold Jun.-Aug. NONE SR 1B.3 FS:

SENSITIVE Mojavean desert scrub on carbonate soil. Elevations from 1,220 to 2,200 m.

Inyo and Mono Cos., CA. White, Inyo, and desert mountains.

NE

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 13 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Eriogonum wrightii var. olanchense

Olancha Peak buckwheat

Jul.-Sept. NONE NONE 1B.3 FS: SENSITIVE

Alpine boulder and rock field, subalpine coniferous forest on gravelly or rocky soil ,260

3

Known from only two occurrences on Olancha Peak, Tulare

nty, CA.

NE

s. Elevations from 3,535 m. to

Cou

Rosaceae Rose Family Horkelia hispidula White Mountains

ia Jun.-Aug. NONE NONE FS

SENSITIVE pi

Basin scrub, subalpine coni ations

.

Inyo and Mono Cos., CA. Inyo and White

ountains.

NE horkel

1B.3 : Al ne dwarf scrub, Great

ferous forest. Elevm 3,000 to 3,400 mfro

M

Petrophyton um

marble rockmat Aug.-Sept. NONE NONE e coniferous re ne

coni rbonate or granitic, rocky

. Occurs on limestone or ite in rocky sites.

Elevations from 1,200 to 2,300 m.

Fresno, Inyo, and lare Cos., CA.

NE caespitos

1B.3 FS: SENSITIVE fo

casoilsgran

Lower montanst, upper montaferous forest on

Tu

Potentilla morefieldii Moci

refield’s nquefoil

NON eld e soils.

Elevations from 3,265 to .

o and Mono Cos., CA.

NE Jul.-Aug. E NONE 1B.3 FS: SENSITIVE

Alpine boulder and rock fion carbonat

4,000 m

Iny

Salicaceae Willow Family Scrophulariacea ort Family e Figw Cordylanthus eremicus ssp. kernensis

Kern’s Plateau bird’s-beak

Jul.-Sept. NONE NONE Great scrub, Joshua ee woodland, pinyon and

juniper woodland, upper e

3,000 m.

Inyo, Kern, and Tulare Cos., CA.

NE 1B.3 FS: SENSITIVE tr

Basin

montane conif rous forest. Elevations from 1,675 to

Comments: Suitable habitat for Kern’s Plateau bird’s-beak occurs within the study area; however, this species is not expected to occur since it was not observed during botanical surveys conducted during its blooming period (Nelson 2004, Weis 1998, and Nelson 1996).

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 14 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Violaceae Violet Family Viola pinetorum ssp. grisea

grey-leaved violet Apr.-Jul. NONE NONE 1B.3 FS: SENSITIVE

Meadows and seeps, subalpine coniferous forest, upp montane coniferous fore om

Fresno, Kern, San Bernardino, and T lare Cos. Southern

gh Sierra Nevada floristic province.

NE

erst. Elevations fr

00 to 3,400 m. 1,5

uhi

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 15 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

ANGIOSPERMS (MONOCOTYLEDONS) Cyperaceae Sedge Fam ily Carex tiogana Tioga sedge Jul.-Aug. O N 1B.3 Meado in mesic

soils, lake margins. e 0 to

o County, CA. NE N NE ONE FS: SENSITIVE ws and seeps

El vations from 3,103,300 m.

Mon

Lilaceae Lily Family Calochortus excavates Inyo County star- Apr.-Jul. NONE NONE : SENSITIVE Chenopod scrub, meadows

and eeps on alkaline, mesic l 1,150

m.

Inyo and Mono Cos. CA.

NE tulip

1B.1 FS s

soito 2

s. Elevations from,000

Key to Occu rence Codes

ted l rved

s Codes

rNE Not expecP Potentia

S OB ObseKey to Species Listing StatuFE dangered F al Candidate S s State Candidate for Threatened Federally Listed as En C Feder pecie SCT FT atened SE isted as Enda d State Fully Protected Federally Listed as Thre State L ngere SFP FPE dangere ST d as Threat ate Rare Federally Proposed as En d State Liste ened SR StFPT Threatened e for gered alifornia Special Concern Species Federally Proposed as SCE State Candidat Endan CSC CFPD Federally Proposed for Delisting FS: SENSITIVE Inyo National Forest Sensitive Species California Native Plant Society (CNPS) List 1A: Presumed extinct in California. List 1B: Rare, threatened, or endangered throughout their range. List 2: Rare, threatened, or endangered in California, but more common in other states. List 3: Plant species for which additional information is needed before rarity can be determined. List 4: xistence does not appear to be susceptible to threat. Species of limited distribution in California (i.e., naturally rare in the wild), but whose eCNPS Threat Codes

1: Seriously endangered in California (over 80% of occurrences threatened/high degree and immediacy of threat) 2: Fairly endangered in California (20-80% occurrences threatened) 3: Not very endangered in California (<20% of occurrences threatened or no current threats known)

Source: PCR Services Corporation, 2007

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 16 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

VASCULAR PLANTS GYMNOSPERMS Ophioglossaceae To

Family Adder’s ngue

Botrychium ascendens

upswept m onwort Jul.-Aug. E NONE 2. FS: SENSITIVE Lower montane coniferouson mesic soil.

1,

Known in California only from two occurrences: near Jonesville on the Butte and Tehama County border, and south of Fallen Leaf Lake, El Dorado County. Butte, El Dorado, Tehama Cos., CA; ID, NV, OR, WA, and WY.

NE o NON 3 forest Elevations from 1,500 to

830 m.

Botrychicrenulat

um um

alloped onwort

Jun.-Jul. ON 2. E B er orest,

mEl o

Butte, Colusa, Los Angel s, Mono, San Bernardino, Tehama, and Tulare Cos., CA; AZ, ID, NV, OR, UT, WA, and WY.

NE Scmo

N E NONE 2 FS: SENSITIVmm

ogs and fens, lowontane coniferous feadows and seeps, arshes and swamps. evations from 1,500 t280 m3, .

e

Botrychium lineare FC E B s .

Kno in California only from one small occurrence near Piute Pass. Inyo Co.

NE slender moonwort Unknown NON 1 .3 FS: SENSITIVE Ufo

pper montane coniferourest. Elevation 2,600 m

wn

Botrychium lunaria

mmon moonwort

Aug. NONE NONE 2

and montane

fro

Mono, Modoc, Nevada, Sierra, Tulare, and Tuolumne Cos., CA; AZ,

, NV, OR, UT, and WA.

NE co .3 FS: SENSITIVE Mesuba

adows and seeps, lpine coniferous forest, upper

coniferous forest. Elevations m 2,280 to 3,400 m.

ID, NM

Botrychium minganense

mingan moonwort Jul.-Aug. NONE NONE 2 ferous forest on mesic soils. Elevations from 1,500 to 1830 m.

Butte, Fresno, and Tehama Cos., CA; AZ, ID, NV, OR, UT, and WA.

NE .2 FS: SENSITIVE Lower montane coni

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 17 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

ANGIOSPERMS (DICOTYLEDONS) Apiaceae Carrot Fa mily Asteraceae Sunflower F amily Ericameria Gilman’s gilmanii goldenbush

Aug.-Sept. NONE NONE 1B.3 FS: SENSITIVE Subalpine coniferous forest, montane

b y soil s from 2,100

3,400 m.

Inyo and Kern Cos., CA. Inyo, White, and desert m ns.

NE and upper

concar

to

iferous forest on onate or granitic, rock

. Elevation

ountai

Erigeron lius

Hall’s fleabane Jul.-Aug. NONE NONE B oadleaved upland forest, w reoo

ferous forest on y, granitic soil. Occurs

on dry rock outcrops in anite walls and canyons.

Elevations from 1,500 to 2,440 m.

Fresno, Kern, and Tulare Co A. Southern high

a floristic province.

NE aequifo

1 .3 FS: SENSITIVE Brlofowmorock

gr

er montane coniferousst, pinyon and juniper dland, and upper

ntane coni

s., CSierra Nevad

Erigeron multiceps Kern River daisy Jun.-Sept. NONE NONE B er

coniferous forest. Elevations Fresno and Tulare Cos., CA.

NE

1 .2 FS: SENSITIVE Meadows and seeps, upp

from 1,500 to 2,500 m. Erigeron uncialis var. uncialis

lone fleabane Jun.-Jul. NONE NONE B e pine on

rb

Inyo, San Bernardino, Cos., CA; NV; White, Iny nd desert mountains.

NE

1 .2 FS: SENSITIVE Grconi

at Basin scrub, subalferous forest

cafrom

onate soils. Elevations 2,100 to 2,900 m.

o, a

Hulsea brevifolia short-leaved hulsea May-Aug. NONE NONE B ontane coniferous forest on granitic or volcanic (pumice) soil of forest openings and road cuts. Elevations from 1,500 to 3,200m.

Fresno, Madera, Mariposa, Tulare, Tuolumne Cos., CA.

NE 1 .2 FS: SENSITIVE Upper m

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 18 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Hulsea vestita ssp. pygmaeae

Pygmy hulsea Jun–Oct. NONE NONE 1B.3 FS: SENSITIVE Alpine boulder and rock fields, subalpine coniferous forest on granitic, gravelly soil

San Bernardino and Tulare Cos., CA.

NE

. Elevations from 2,835 3,900 m. to

Senecio pattersonensis

Mono ragwort Jul.-Aug. NONE NONE B pine boulder and rock fields. Elevations from 2,90

Mono and Nevada Cos., CA.

NE 1 .3. FS: SENSITIVE Al

0 to 3,720 m. Boraginaceae Borage Family Cryptantha inc ryp antha Jun.-Aug. NON NON 1B IVE ontane coniferous

rels,150 m.

Inyo and Tulare Cos., CA. NE ana Tulare c t E E .3 FS: SENSIT Lower mfosoito 2

st, gravelly or rocky . Elevations from 1,430

Cryptanroosioru

tha m

tlecone tantha

Jun.-Ju ON B b st r

o 3,230 m.

Inyo County, CA. White o Mountains.

NE briscryp

l. N E SR 1 .2 :FS SENSITIVE SuonEl

alpine coniferous foreocky carbonate soils.

evations from 2,440 tand Iny

Brassicaceae F mily Mustard a Arabis bodiens

cress B Alpi

fiel

woo evations from 19

o, Mono, and Tu Cos., CA; NV. Great Basin floristic province, White and Inyo M ns.

NE

is Bodie Hills rock Jun.-Aug. NONE NONE 1 .3 FS: SENSITIVE

pin

ne boulder and rock d, Great Basin scrub,yon and juniper dland. El

2, 5 to 3,530 m.

Fresno, Inylare

ountaiArabis pinzlae Pinzl’s rock cress Jul. NONE NONE B pi

elforest on scree or sandy soil o

35

M o., CA; NV. Great Basin floristic province, White and Inyo Mountains.

NE

1 .3 FS: SENSITIVE Alfi

ne boulder and rock d, subalpine coniferous

s. Elevations 3,000 t0 m. 3,

ono C

Arabis shockleyi Shockley’s rock cress

May-Jun. NONE NONE 2 nyon and juniper woodland on carbonate or quartzite, rock or gravelly soils. Elevations from 875 to 2,310 m.

Inyo, Mono, and San Bernardino Cos., CA; NV.

NE .2 FS: SENSITIVE Pi

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 19 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Caulostramina jaegeri

Jaeger’s caulostramina

May-Jul. NONE NONE 1B.2 FS: SENSITIVE Great Basin scrub, pinyon and juniper woodland, subalpine coniferous forest n c soils. evations from 2,135 to 800 m.

Inyo County CA. NE

oEl2,

arbonate, rocky

Draba asterophora var.

rophora

Lake Tahoe draba Jul.-Aug. NONE NONE B pine boulder and rock field, subalpine coniferous fore2,500 t

Alpine, El Dorado, Mono, Tuolumne Cos., CA; NV.

NE

aste

1 .3 FS: SENSITIVE Al

st. Elevations from o 3,505 m.

Draba incrassata Sweetwater ntains

Jul.-Aug. NONE NONE B Alpine boulder and rock fiel rhyolite

ater ountains on loose, steep,

s slopes. Elevations from 2,500 to 3,500 m.

Mono County, CA. Sw ater Mountains.

NE Mou draba

1 .3 FS: SENSITIVEd; endemic to the trates of the Sweetwsubs

Mtalu

eetw

Draba lonchocarpa lonchocarpa

var.

Ju E NON 2 Alpiel

El ons from 3,000 to 3,29

Iny d Mono Cos., CA; ID, NV, OR, UT, WA, and WY.

NE spear-fruited draba n.-Jul. NON E .3 NONE fi

ne boulder and rock ds on limestone scree.

evati5 m.

o an

Draba monoensis White Mountdraba

Aug. NONE NONE B pifiel ws and seeps.

v

y from the White Mountains in Mono Co., CA.

NE

ains 1 .2 FS: SENSITIVE Al ne boulder and rock d, meado

Ele3,96

ations from 3,000 to 0 m.

Known onl

Draba praealta subalpine draba Jul.-Aug. NONE NONE 2 ONE sic soil 00

3

Fresno, Inyo, Mono, and Tu mne Cos., CA; NV, OR, WA, and WY.

NE .3 N Meadow and seeps on mes. Elevations from 2,5,415 m. to

olu

Draba sharsmithii Mt. Whitney draba Jul.-Aug. NONE NONE B Alpi fiel ne coniferous forest. Elevations from 3,355 to 3,960 m.

Fresno, Inyo, and Tulare Cos., CA. Southern high Sierra Nevada floristic province.

NE 1 .3 FS: SENSITIVE ne boulder and rockd, subalpi

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 20 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Polyctenium williamsiae

William’s combleaf

Mar.-Jul. NONE NONE 1B.2 FS: SENSITIVE Marshes and swamps (alkali), playas, vernal pools. Elevations from 1,350 to 2,70

Lassen and Mono Cos., CA; NV, OR.

NE

0 m. Streptanthus gracilis

ne jewel-flower

Jul.-Aug. NONE NONE B rous forest, upper montane coniferous

eil in gravel

pockets among granitic outcrops and talus boulders.

evations from 2,800 to 3,500 m.

o, and Tulare Cos., CA.

NE alpi 1 .3 FS: SENSITIVE Subalpine conife

forso

El

st on granitic, rocky s. Occurs

Fresno, Iny

Streptanthus

Masonic Mountain Jun.-Jul. N NE E B IVE Pinyon and juniper wooran

El 1,980 to 3,050 m.

Inyo and Mono Cos., CA; hite and Inyo

Mountains.

NE oliganthus jewelflower

O NON 1 .2 FS: SENSIT

gdland on volcanic or itic, rocky soils.

evations from

NV. W

Crassulaceae Fam ly Stonecrop iSedum pinetorum Pine City sedum E NON Hab

Eley from type

collection from deserted Pine City above

NE Jul. NON E 3 NONE itat not known. vation 2,650 m.

Known onl

Mammoth. Comments: Suitable habitat for Pine City sedum occurs within the study area though the habitat is only marginally suitable; however, this species

erved d ical surveyis not expected to occur since it was

conducted during its blooming period. The species is expected more on rocky ledges and cliffs which habitats not present in the project area , 6).

not obs uring botan s(Nelson 2004 Weis 1998, and Nelson 199Fabaceae Pea Family Astragalus cimae var. sufflatus

inflated milk-vetch Apr.-Jun. NONE NONE B Great Basin scrub, pinyon and juniper woodland on carbonate, rocky soils. Elevations from 1,500 to 2,075 m.

Inyo Co., CA. NE 1 .3 FS: SENSITIVE

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 21 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Astragalus johannis-howellii

Long Valley milk- vetch

Jun.-Aug. NONE SR 1B.2 FS: SENSITIVE Great Basin scrub on sandy loam soils. Elevation from 2,040 to 2,530 m.

Mono Co., CA; NV. Occurs northeast of Whitmore Hot Springs in the nity of Hot Creek gorge.

NE

vici

Astragalus lemmonii

Lemmon’s milk-vetch

May-Aug. NONE NONE 1B IVE Gre ws

es. Ele

0

Lassen, Mono, Modoc, Plumas, and Sierra Cos., CA V, OR. Occurs at Hot Creek Fish Hatchery.

NE .2 FS: SENSIT at Basin scrub, meadoand seeps, marshes and swa

2,2

mps within lake shorvations from 1,280 to 0m.

; N

Astragalus sus va

Kern milk-vetch Jun.-Jul. NONE NONE Bsub

sro

Inyo and Tulare Cos., CA; hern high Sierra

Nevada Floristic Province.

NE lentiginokernensis

r. 1 .2 FS: SENSITIVE Meadows and seeps,

alpine coniferous forestandy soil. Elevations

m 2,350 m. to 2,750 m. onf

NV. Sout

Astragalmonoens

us is

k ONE b and upper rous forest on

mice flats with sparse ative cover; Elevations

from

M ounty NE Mono mil -vetch Jun.-Aug. N SR B1 .2 FS: SENSITIVE Gremonpuveget

at Basin scrutane conife

2,110 to 3,355 m.

ono C

Astragalus ravenii Raven’s mivetch

Ju E E B Alpi

niferous forest on pumice flats with sparse vegetative

e m 1

o, and Mono Cos., CA. Great Basin floristic province.

NE

lk- l.-Sept. NON NON 1 .2 FS: SENSITIVEfielco

ne boulder and rock d, upper montane

cov2,1

r. Elevations fro0 to 3,355 m.

Fresno, Iny

Lupinus duranii Mono Lake lupine May-Aug. NONE NONE B at Basin scrub, subalpine ferous forest, and upper

montane coniferous forest on pumice sand flats and coarse barren soils of volcanic origin. Elevations from 2,000 to 3,000 m.

Mono County, CA. NE 1 .2 FS: SENSITIVE Greconi

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 22 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Lupinus gracilentus

slender lupine Jul.-Aug. NONE NONE 1B.3 FS: SENSITIVE Subalpine coniferous forest. Elevations from 2,500 to 3,500 m.

Inyo, Mariposa, and Tuolomne Cos., CA.

NE

Lupinvar. culb

us lepiduertsonii

Hockett Meadolupine

Jul mo on

es

3,00

ono, and Tulare Cos., CA. Occurs in Con ct Lakes Basin.

NE s ws .-Aug. NONE NONE B1 .3 FS: SENSITIVE Meadow and seeps, upper ntane coniferous forest

mElev

ic, rocky soil. ations from 2,440 to 0 m.

Fresno, M

vi

Lupinus padre- Father Crowley’s Jul.-Aug. NONE SR B Great Basin scrub, riparian ru

deco curs in

drainages, and alley bottoms. Elevations 2,500 to 4,000 m.

Inyo, Mono, and Tulare Cos., A. Southern high

a floristic province. Inyo and White Mountains.

NE crowleyi lupine

1 .2 FS: SENSITIVEscconi

on ssunnin vfrom

b, upper montane ferous forest on mposed granite. Oc

teep avalanche chutes,y sites in

CSierra Nevad

Trifoliudedecke

m rae

s Ma w us forest niper woodland, subalpine

ferous forest, upper ntane coniferous forest on

granitic, rocky soils. Occurs in gravelly canyons and

pes, in cracks in granite rock outcrops, and the understory of pinyon pines. Ele tions from 2,100 to

Iny ern, Mono, and Tulare Cos. CA.

NE DeDecker’ clover y-Jul. NONE NONE B1 .3 FS: SENSITIVE Lo

conimo

slo

er montane conifero, pinyon and ju

va3,500 m.

o, K

Hydrophyllaceae Waterleaf Family Phacelia inyoe acel NE e

Elevations from 915 to 3,200 m.

Iny d Mono Cos. CA. NE nsis Inyo ph ia Apr.-Aug. NO NONE B1 .2 FS: SENSITIVE M adows and seeps. o an

Phacelia monoensis

Mono County phacelia

May-Jul. NONE NONE 1B.1 FS: SENSITIVE Great basin scrub, pinyon and juniper woodland on

Mono Co., CA; NV NE

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 23 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

clay soils, often along roadsides. Elevations from 1,900 to 2,900 m.

Phacelia mustelina Death Valley round-leaved

ia

May-Jul. NONE NONE B Mojavean desert scrub, nyon and juniper

woo volc

ils. Elevations from 730 2,620 m.

Inyo and San Bernardino Cos., CA; NV.

NE

phacel

1 .3 FS: SENSITIVEpi

dland on carbonate oranic, gravelly or rocky

soto

Phacelia millensis

Nine-Mile Canyon May-Jun. NONE NONE B oadleaved upland forest,

nywooon on sandy or

elly soil. Occurs on dry, rbed banks on granitic

or metamorphic soils. Elevations from 1,645 to 2,640 m.

Inyo, Kern, and Tulare Cos A. Southern high Sierra Nevada and Mojave floristic provinces.

NE noven phacelia

1 .2 FS: SENSITIVE Brcispi

cgravdistu

montane woodland, on and juniper dland, upper montane

iferous forest

., C

Lamiaceae am Mint F ily Monardella beneolens

smellimonardella

Jul.-Sep NONE NONE B pifiel

st, upper montane niferous forest on granitic

Inyo, Kern, and Tulare Cos. Southern high Sierra Nevada floristic province.

NE sweet- ng t. 1 .3 FS: SENSITIVE Al

foreco

ne boulder and rock d, subalpine coniferous

soil. Elevations from 2,500 to 3,500 m.

Comments: Su r sweet-smelling onardella occurs within the study area; however, this species is not expected to occur since it was not observed during botanical eys condu g its blo riod (Nelson 2004, W s 998, and Nelso

itable habitat focted duri

msurv n oming pe ei 1 n 1996). Nyctaginaceae l Four O’C

Family ock

alpina Ramshaw Meadows abronia

Jul.-Aug. FC NONE 1B SENSITIVEgranitic, gravelly margins. Elevations from 2,400 to 2,700 m.

Known from only two extant occurrences at Ramshaw Meadows and Temleton Meadows.

NE .1 FS: Meadow and seeps on

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 24 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Tulare County, CA. Abronia nana ssp. covillei

Coville’s dwarf abronia

May-Aug. NONE NONE 4.2 FS: SENSITIVE Great Basin scrub, Joshua tree woodland, pinyon and juni alpine on

on s.

ations from 1,600 to 3,100 m.

Inyo, Mono, and San Bernardino Cos., CA; NV. Desert Mountains.

NE

per woodland, subcmosandyElev

iferous forest, upper ntane coniferous forest

, carbonate soil

Onagraceae Primrose Family Epilobium how firew Jul.-Aug. NONE NON 1B FS SENSITIVE Meadow and seeps,

sub t mossy seeps.

evations from 1,970 to 2,700 m.

ono, and Sierra Co

NE ellii subalpine eed E .3 :alpine coniferous foresmesic soil,on

El

Fresno, Ms., CA.

Polemoniacea Family e Phlox Polemonichartaceum

um

k E Alpile

ranitic, or volcanic soil. Elevations from 1,800 to

.

M skiyou, and Trin y Cos., CA; NV; Inyo and White Mountains.

NE

Mason’s s y pilot Jun.-Aug. NON NONE B1 .3 FS: SENSITIVEfieforg

ne boulder and rock d, subalpine coniferous st on rocky, serpentine,

4,200 m

ono, Siit

Polygonaceae ckwheatFamily

Bu

Dedeckera is

July gold Jun.-Aug. NONE SR B ocarb ns

o

Inyo and Mono Cos., CA. Whi , Inyo, and desert mountains.

NE eurekens

1 .3 FS: SENSITIVE M javean desert scrub on onate soil. Elevatio

m 1,220 to 2,200 m. frte

Eriogonum wrightii var. olanchense

Olancha Peak buckwheat

Jul.-Sept. NONE NONE Bd, subalpine coniferous

forest on gravelly or rocky soils. Elevations from 3,260 to 3,535 m.

Known from only two occurrences on Olancha Peak, Tulare County, CA.

NE 1 .3 FS: SENSITIVE Alpfiel

ine boulder and rock

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 25 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Rosaceae Rose Family Horkelia hispidula White Mountains

horkelia Jun.-Aug. NONE NONE 1B.3 FS: SENSITIVE Alpine dwarf scrub, Great

Basin scrub, subalpine con ferous forest. Elevations

Inyo and Mono Cos., CA. Inyo and White Mountains.

NE

ifrom 3,000 to 3,400 m.

Petrophyton caespitosum

arble rockmat Aug.-Sept. NONE NONE B, upper montane

n or granitic, rocky

ls. Occurs on limestone granite in rocky sites. evations from 1,200 to

2,300 m.

o, and Tulare Cos., CA.

NE m 1 .3 FS: SENSITIVE Lowforest

er montane coniferous

co

soiorEl

iferous forest on carbonate

Fresno, Iny

Potentmorefiel

illa dii

efield’s efoil

Jul.-Au . NE B AlpifielElevations from 3,265 to 4,000 m.

Inyo and Mono Cos., CA. NE Morcinqu

g NO NONE 1 .3 :FS SENSITIVE ne boulder and rock d on carbonate soils.

Salicaceae Family Willow Scrophulariaceae Figwort Fa mil y Cordylanteremicus

hus ssp.

kernensis

Platbird’s-beak

Ju NONE B reee and, pinyon and

iper woodland, upper montane coniferous forest.

Iny , Kern, and Tulare Cos., CA.

NE Kern’s eau l.-Sept. NONE 1 .3 FS: SENSITIVE

Gtrjun

at Basin scrub, Joshua woodl

Elevations from 1,675 to 3,000 m.

o

Comments: S for Kern’s Plateau bird’s-beak occurs within the study area; however, this spec s is not expected to occur since it was not observed during botanical u bloo Wei

uitable habitat iesurveys cond cted during its ming period (Nelson 2004, s 1998, and Nelson 1996). Violaceae Violet Family Viola pinetorum ssp. grisea

grey-leaved violet Apr.-Jul. NONE NONE B esubalpine coniferous forest, upper montane coniferous forest. Elevations from 1,500 to 3,400 m.

Fresno, Kern, San Bernardino, and Tulare Cos. Southern high Sierra Nevada floristic province.

NE 1 .3 FS: SENSITIVE M adows and seeps,

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 26 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

ANGIOSPERMS (MONOCOTYLEDONS) Cyperaceae Sedge Fam ily Carex tiogana Tioga sedge Jul.-Aug. O N 1B.3 Meado in mesic

soils, lake margins. 0 to

no County, CA. NE N NE ONE FS: SENSITIVE ws and seeps

Elevations from 3,103,300 m.

Mo

Lilaceae Lily Family Calochortus excavates Inyo County star- Apr.-Jul. NONE NONE : SENSITIVE Chenopod scrub, meadows

and eeps on alkaline, mesic l 1,150

m.

Inyo and Mono Cos. CA.

NE tulip

1B.1 FS s

soito 2

s. Elevations from,000

Key to Occu rence Codes

ted l rved

Codes

rNE Not expecP Poten

S tia

OB ObseKey to Species Listing StatusFE dangered F al Candidate Sp s State Candidate for Threatened Federally Listed as En C Feder ecie SCT FT tened SE isted as Endan d State Fully Protected Federally Listed as Threa State L gere SFP FPE dangered ST d as Threat ate Rare Federally Proposed as En State Liste ened SR StFPT Threatened e for E gered CSC alifornia Special Concern Species Federally Proposed as SCE State Candidat ndan CFPD Federally Proposed for Delisting FS: SENSITIVE Inyo National Forest Sensitive Species California Native Plant Society (CNPS) List 1A: Presumed extinct in California. List 1B: Rare, threatened, or endangered throughout their range. List 2: Rare, threatened, or endangered in California, but more common in other states. List 3: Plant species for which additional information is needed before rarity can be determined. List 4: xistence does not appear to be susceptible to threat. Species of limited distribution in California (i.e., naturally rare in the wild), but whose eCNPS Threat Codes

1: Seriously endangered in California (over 80% of occurrences threatened/high degree and immediacy of threat) 2: Fairly endangered in California (20-80% occurrences threatened) 3: Not very endangered in California (<20% of occurrences threatened or no current threats known)

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Sensitive Plant Species

Table 1 (Continued)

Sensitive Plant Species

Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008

Page 27 PRELIMINARY WORKING DRAFT – Work-in-Progress

Scientific Name Common Name Flowering

Period Federal State CNPS List Other Preferred Habitat Distribution

Occurrence On-site

Source: PCR Services Corporation, 2007