Upload
vokien
View
220
Download
3
Embed Size (px)
Citation preview
APPENDIX D - FLORAL AND FAUNAL COMPENDIA; SENSITIVE PLANT SPECIES TABLE
FLORAL AND FAUNAL COMPENDIUM
* = Non-native Species
Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008
Page 1
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
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
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
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
* = 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)
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
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
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
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
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
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
Mammoth Mountain Ski Back Trail U.S. Forest Service Final EA April 2008
Page 1 PRELIMINARY WORKING DRAFT – Work-in-Progress
SENSITIVE PLANT SPECIES
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:
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
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
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
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
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
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
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
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
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).
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
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).
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
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
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
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
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
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
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
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
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
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
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
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,
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)
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