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Rare Plant Profiles
All Species
This list includes species proposed or listed as threatened or endangered (TEP) by the U.S. Fish & Wildlife Service (USFWS), under the Endangered Species Act (ESA); and/or a plant must be ranked as Critically Imperiled by NatureServe; that is, ranked as G1 and/or T1 using NatureServe's ranking criteria; and, are known to currently exist in at least one location on national forests or national grasslands. About the Rare Plant Profiles »
Threatened, Endangered, and Proposed (TEP) Plant Profiles
- Acanthomintha ilicifolia, San Diego thornmint
- Acanthoscyphus parishii var. goodmaniana, Cushenbury oxytheca (also known as, Oxytheca parishii var. goodmaniana)
- Allium munzii, Munz's onion
- Arabis macdonaldiana, McDonald's rock-cress
- Arabis serotina, shale barren rock-cress
- Arenaria ursina, Bear Valley sandwort
- Argemone pleiacantha ssp. pinnatisecta, Sacramento prickly poppy
- Asclepias meadii, Mead’s milkweed
- Asplenium scolopendrium var. americanum, American hart's-tongue fern
- Astragalus albens, Cushenbury milk-vetch
- Astragalus brauntonii, Braunton’s milk-vetch
- Astragalus limnocharis var. montii, heliotrope milk-vetch (also known as, Astragalus montii)
- Baccharis vanessae, Encinitas baccharis
- Berberis nevinii, Nevin's barberry (also known as, Mahonia nevinii)
- Betula uber, Virginia roundleaf birch
- Bonamia grandiflora, Florida bonamia
- Brodiaea filifolia, thread-leaved brodiaea
- Callicarpa ampla, capa rosa
- Castilleja cinerea, ash-grey paintbrush
- Ceanothus ophiochilus, Vail Lake ceanothus
- Chlorogalum purpureum var. reductum, Amole de Cañón Camatta
- Cirsium fontinale var. obispoense, Chorro Creek bog thistle
- Cirsium loncholepis, La Graciosa thistle
- Cirsium pitcheri, Pitcher’s thistle
- Cirsium vinaceum, Sacramento Mountains thistle
- Cistanthe pulchella, Mariposa pussypaws (also known as, Calyptridium pulchellum)
- Clarkia springvillensis, Springville clarkia
- Coryphantha robustispina var. robustispina, Pima pineapple cactus (also known as, Coryphantha scheeri var. robustispina)
- Dalea foliosa, leafy prairie-clover
- Dodecahema leptoceras, slender-horned spineflower
- Dudleya cymosa ssp. ovatifolia, Santa Monica Mountains dudleya
- Echinacea laevigata, smooth coneflower
- Echinocereus coccineus var. arizonicus, Arizona hedgehog cactus (also known as, Echinocereus triglochidiatus var. arizonicus)
- Echinocereus fendleri var. kuenzleri, Kuenzler hedgehog cactus
- Erigeron maguirei, Maguire daisy
- Erigeron parishii, Parish's daisy
- Erigeron rhizomatus, Zuni fleabane
- Eriogonum kennedyi var. austromontanum, southern mountain wild-buckwheat
- Eriogonum longifolium var. gnaphalifolium, scrub buckwheat
- Eriogonum ovalifolium var. vineum, Cushenbury buckwheat
- Eugenia haematocarpa, uvillo
- Eutrema penlandii, Penland’s alpine fen mustard
- Fritillaria gentneri, Gentner’s fritillary
- Geum radiatum, spreading avens
- Gymnoderma lineare, rock gnome lichen
- Hackelia venusta, showy stickseed
- Harperocallis flava, Harper’s beauty
- Hedeoma todsenii, Todsen’s pennyroyal
- Helenium virginicum, Virginia sneezeweed
- Helianthus schweinitzii, Schweinitz’s sunflower
- Helonias bullata, swamp pink
- Houstonia purpurea var. montana, Roan Mountain bluet (also known as, Hedyotis purpurea var. montana)
- Howellia aquatilis, water howellia
- Hudsonia montana, mountain golden heather
- Ilex sintenisii, Sintenis’ holly
- Ipomopsis sancti-spiritus, Holy Ghost ipomopsis
- Iris lacustris, dwarf lake iris
- Isoetes louisianensis, Louisiana quillwort
- Isotria medeoloides, small whorled pogonia
- Lepanthes eltoroensis, Luquillo Mountain babyboot orchid
- Liatris helleri, Heller’s blazing star
- Lilaeopsis schaffneriana var. recurva, Huachuca water umbel
- Lindera melissifolia, pondberry
- Lupinus sulphureus ssp. kincaidii, Kincaid’s lupine (also known as, Lupinus oreganus var. kincaidii)
- Lysimachia asperulaefolia, rough-leaved loosestrife
- Macbridea alba, white birds-in-a-nest
- Minuartia cumberlandensis, Cumberland sandwort (also known as, Arenaria cumberlandensis)
- Mirabilis macfarlanei, MacFarlane’s four-o’clock
- Opuntia basilaris var. treleasei, Bakersfield cactus (also known as, Opuntia treleasei)
- Orcuttia tenuis, slender Orcutt grass
- Oxypolis canbyi, Canby’s dropwort
- Oxytropis campestris var. chartacea, Fassett's locoweed
- Packera franciscana, San Francisco Peaks groundsel (also known as, Senecio franciscanus)
- Packera layneae, Layne’s butterweed (also known as, Senecio layneae)
- Pediocactus despainii, San Rafael cactus
- Penstemon haydenii, blowout beardtongue
- Phacelia argillacea, clay phacelia
- Phlox hirsuta, Yreka phlox
- Physaria kingii ssp. bernardina, San Bernardino Mountains bladderpod (also known as, Lesquerella kingii ssp. bernardina)
- Pinguicula ionantha, Godfrey’s butterwort
- Pityopsis ruthii, Ruth’s golden aster
- Platanthera leucophaea, eastern prairie fringed orchid
- Platanthera praeclara, western prairie fringed orchid
- Pleodendron macranthum, chupacallos
- Poa atropurpurea, San Bernardino bluegrass
- Polygala lewtonii, Lewton’s polygala
- Primula cusickiana var. maguirei, Maguire primrose (also known as, Primula maguirei)
- Ptilimnium nodosum, harperella
- Purshia subintegra, Arizona cliffrose (also known as, Cowania subintegra)
- Ribes echinellum, Miccosukee gooseberry
- Sagittaria secundifolia, Kral’s water-plantain
- Sarracenia oreophila, green pitcher-plant
- Schwalbea americana, American chaffseed
- Scirpus ancistrochaetus, northeastern bulrush
- Sclerocactus glaucus, Uinta Basin hookless cactus
- Scutellaria floridana, Florida skullcap
- Scutellaria montana, large-flowered skullcap
- Sidalcea oregana var. calva, Wenatchee Mountains checker-mallow
- Sidalcea pedata, pedate checker-mallow
- Silene spaldingii, Spalding’s catchfly
- Solidago albopilosa, white-haired goldenrod
- Solidago houghtonii, Houghton’s goldenrod (also known as, Oligoneuron houghtonii)
- Solidago spithamaea, Blue Ridge goldenrod
- Spiraea virginiana, Virginia spiraea
- Spiranthes delitescens, Canelo Hills ladies'-tresses
- Spiranthes diluvialis, Ute ladies'-tresses
- Styrax portoricensis, palo de jazmin
- Taraxacum californicum, California taraxacum
- Ternstroemia luquillensis, palo colorado
- Ternstroemia subsessilis, el yunque colorado
- Tetraneuris herbacea, lakeside daisy (also known as, Hymenoxys herbacea)
- Thelypodium stenopetalum, slender-petaled mustard
- Thelypteris pilosa var. alabamensis, Alabama streak-sorus fern
- Torreya taxifolia, Florida nutmeg
- Townsendia aprica, Last Chance townsendia
- Trifolium stoloniferum, running buffalo clover
- Trillium persistens, persistent trillium
- Trillium reliquum, relict trillium
Critically Imperiled Plant Profiles
- Abronia alpina, Ramshaw Meadows sand-verbena
- Agave phillipsiana, Grand Canyon century plant
- Aliciella tenuis, Mussentuchit gilia
- Aliciella sedifolia, stonecrop gilia
- Allium jepsonii, Jepson‘s onion
- Allium marvinii, Yucaipa onion
- Amoreuxia gonzalezii, Santa Rita mountain yellowshow
- Aquilegia flavescens var. rubicunda, Link Trail columbine
- Aquilegia grahamii, Graham's columbine
- Arabis falcatoria, Grouse Creek rockcress
- Arabis ophira, Ophir rockress
- Arabis rectissima var. simulans, bristlyleaf rockcress
- Arabis tricornuta, Rincon Mountain rockcress
- Arctostaphylos gabrielensis, San Gabriel manzanita
- Artemisia campestris ssp. borealis var. wormskjoldii, northern wormwood
- Astragalus anxius, Ash Valley milk-vetch
- Astragalus cremnophylax var. myriorrhaphis, cliff milkvetch
- Astragalus ertterae, Walker Pass milkvetch
- Astragalus hypoxylus, Huachuca Mountain milkvetch
- Astragalus iselyi, Isely's milkvetch
- Astragalus kelseyae, Kelsey milkvetch
- Astragalus lentiginosus var. antonius, San Antonio milkvetch
- Astragalus lentiginosus var. sierrae, Big Bear milkvetch
- Astragalus limnocharis var. limnocharis, Navajo Lake milkvetch
- Astragalus loanus, Glenwood milkvetch
- Astragalus missouriensis var. humistratus, Missouri milkvetch
- Astragalus pachypus var. jaegeri, Jaeger's milkvetch
- Astragalus webberi, Webber's milkvetch
- Astragalus zionis var. vigulus, guard milkvetch
- Boechera peirsonii, San Bernardino rockcress (also known as, Arabis breweri var. pecunaria)
- Brodiaea coronaria ssp. rosea, Indian Valley brodiaea
- Calochortus clavatus var. gracilis, slender mariposa lily
- Calochortus palmeri var. munzii, Munz’s mariposa lily
- Calochortus umpquaensis, Umpqua mariposa lily
- Carex tiogana, Tioga Pass sedge
- Castilleja christii, Christ's Indian paintbrush
- Caulanthus amplexicaulis var. barbarae, Santa Barbara jewelflower
- Caulostramina jaegeri, Jaeger's caulostramina
- Chiloscyphus gemmiparus, alpine waterwort
- Chorizanthe rectispina, straight-awned spineflower
- Chrysothamnus parryi ssp. montanus, Centennial rabbitbrush
- Cirsium parryi ssp. mogollonicum, Mogollon thistle
- Clarkia lingulata, Merced clarkia
- Cryptantha crinita, silky cryptantha
- Cryptantha incana, Tulare cryptantha
- Cryptantha roosiorum, bristlecone cat’s eye
- Cymopterus beckii, pinnate spring-parsley
- Cymopterus goodrichii, Goodrich biscuitroot
- Dalea tentaculoides, Gentry's indigo bush
- Descurainia torulosa, Wyoming tansymustard
- Dieteria canescens var. ziegleri, Dieter’s aster (also known as, Machaeranthera canescens var. ziegleri)
- Dodecatheon dentatum ssp. utahense, Utah shooting-star
- Draba asterophora var. macrocarpa, Cup Lake draba
- Draba monoensis, White Mountains draba
- Draba oreibata var. serpentina, serpentine draba
- Draba ramulosa, Mount Belknap draba
- Draba sharsmithii, Mt. Whitney draba
- Dudleya densiflora, San Gabriel Mountains Dudleya
- Eleocharis torticulmis, twisted spikerush
- Encalypta brevicolla var. crumiana, Crum's candle snuffer moss
- Ericameria gilmanii, whiteflower goldenbush
- Erigeron heliographis, Heliograph Peak fleabane
- Erigeron hessii, Hess' fleabane
- Erigeron kuschei, Chiricahua fleabane
- Erigeron maniopotamicus, Mad River fleabane daisy
- Erigeron piscaticus, Fish Creek fleabane
- Eriogonum butterworthianum, Butterworth’s buckwheat
- Eriogonum douglasii var. elkoense, sunflower flat buckwheat
- Eriogonum heermannii var. apachense, Apache buckwheat
- Eriogonum microthecum var. johnstonii, Johnston's buckwheat
- Eriogonum spectabile, Barron’s buckwheat
- Eriogonum wrightii var. olanchense, Olancha Peak buckwheat
- Eriophyllum lanatum var. hallii, Fort Tejon woolly sunflower
- Erythronium elegans, Coast Range fawnlily
- Erythronium pluriflorum, Shuteye Peak fawnlily
- Erythronium taylorii, Taylor’s fawn lily
- Fritillaria ojaiensis, Ojai fritillary
- Galium angustifolium ssp. jacintum, San Jacinto bedstraw
- Galium californicum ssp. primum, California bedstraw
- Geum rossii var. depressum, Ross' avens
- Hastingsia bracteosa var. atropurpurea, purple rushlily
- Hesperolinon tehamense, Paskenta Grade dwarf flax
- Heterotheca monarchensis, Sequoia false goldenaster
- Heterotheca shevockii, Kern Canyon goldenaster
- Horkelia bolanderi, Bolander’s horkelia
- Horkelia hendersonii, Henderson’s horkelia
- Horkelia tularensis, Kern Plateau horkelia
- Horkelia wilderae, Barton Flats horkelia
- Ipomopsis congesta var. nevadensis, Toiyabe gilia
- Ivesia callida, Tahquitz mousetail
- Ivesia longibracteata, Castle Crags ivesia
- Jamesoniella autumnalis var. heterostipa, Waldo Lake liverwort
- Kalmiopsis fragrans, North Umpqua kalmiopsis
- Lepidium montanum var. alpinum, alpine peppergrass
- Leptosiphon floribundum ssp. hallii, Santa Rosa Mountains leptosiphon (also known as, Leptosiphon floribundus ssp. hallii, Linanthus floribundus ssp. hallii)
- Leptosiphon serrulatus, Madera linanthus
- Lesquerella hemiphysaria var. lucens, Range Creek bladderpod
- Lewisia congdonii, Congdon’s bitterroot
- Lewisia maguirei, Maguire lewisia
- Lewisia stebbinsii, Stebbins’ lewisia
- Lomatium erythrocarpum, redfruit desertparsley
- Lomatium greenmanii, Greenman's lomatium
- Lomatium latilobum, Canyonlands lomatium
- Lomatium ochocense, Ochoco lomatium
- Lotus mearnsii var. equisolensis, Mearn's bird's-foot trefoil
- Lupinus antoninus, Anthony Peak lupine
- Lupinus aridus ssp. ashlandensis, Mt. Ashland lupine (also known as, Lupinus lepidus var. ashlandensis)
- Lupinus constancei, The Lassics lupine
- Lupinus culbertsonii ssp. culbertsonii, Hockett Meadows lupine (also known as, Lupinus lepidus var. culbertsonii)
- Lupinus elmeri, Elmer’s lupine
- Lupinus padre-crowleyi, Father Crowley’s lupine
- Malacothamnus davidsonii, Davidson’s bush mallow
- Marina orcuttii var. orcuttii, Sonoran false prairie-clover
- Mentzelia goodrichii, Goodrich's blazingstar
- Mentzelia springeri, Santa Fe blazingstar
- Mimulus gemmiparus, Rocky Mountain monkeyflower
- Mimulus hymenophyllus, thinsepal monkeyflower
- Minuartia decumbens, The Lassics sandwort
- Minuartia stolonifera, Scott Mountain sandwort
- Monardella beneolens, Sweet-smelling monardella
- Monardella follettii, Follett’s monardella
- Monardella stebbinsii, Stebbins’ monardella
- Nemacladus twisselmannii, Twisselman’s nemacladus
- Oreoxis humilis, Rocky Mountain alpineparsley
- Orthotrichum shevockii, Shevock rockmoss
- Orthotrichum spjutii, Spjut's bristle-moss
- Oxytheca parishii var. cienegensis, Cienega Seca oxytheca (also known as, Acanthoscyphus parishii var. cienegensis)
- Packera castoreus, Beaver Mountain groundsel
- Packera malmstenii, Podunk groundsel
- Penstemon metcalfei, Metcalfe's beardtongue
- Penstemon navajoa, Navajo beardtongue
- Penstemon pinorum, pinyon penstemon
- Penstemon pudicus, bashful beardtongue
- Penstemon rhizomatosus, Rhizome beardtongue
- Penstemon tracyi, Tracy’s beardtongue
- Pentachaeta exilis ssp. aeolica, San Benito pentachaeta
- Perideridia erythrorhiza, western yampah
- Perityle saxicola, Roosevelt Dam rockdaisy
- Petrophyton acuminatum, Big Arroyo rockmat (also known as, Petrophytum acuminatum, Petrophyton caespitosum ssp. acuminatum)
- Petrophyton cinerascens, Chelan rockmat (also known as: Petrophytum cinerascens)
- Phacelia cookei, Cooke’s phacelia
- Phacelia suaveolens ssp. keckii, Keck's phacelia
- Physalis latiphysa, broadleaf groundcherry
- Physaria didymocarpa var. lyrata, Salmon twin bladderpod
- Physaria pulvinata (no common name)
- Physaria stylosa, Duchesne River twinpod
- Polemonium chartaceum, Mason’s skypilot
- Polemonium elusum, elusive Jacob's-ladder
- Potentilla angelliae, Angell cinquefoil
- Potentilla cottamii, Cottam's cinquefoil
- Potentilla glandulosa ssp. ewanii, Ewan’s cinquefoil
- Potentilla johnstonii, sagebrush cinquefoil
- Potentilla morefieldii, Morefield’s cinquefoil
- Primula capillaris, Ruby Mountain primrose
- Pyrrocoma clementis var. villosa, tranquil goldenweed
- Rhodiola integrifolia ssp. neomexicana, New Mexican stonecrop
- Ribes canthariforme, Moreno currant
- Rorippa subumbellata, Tahoe yellow cress
- Sedum moranii, Rogue River stonecrop
- Sedum obtusatum ssp. paradisum, Canyon Creek stonecrop
- Senecio fremontii var. inexpectatus, La Sal Mountains groundsel
- Senecio musiniensis, Musinea groundsel
- Sidalcea hickmanii ssp. anomala, Cuesta Pass checkerbloom
- Sidalcea hickmanii ssp. parishii, Parish's checkerbloom
- Sidalcea malviflora ssp. patula, Siskiyou checkerbloom
- Sophora gypsophila var. guadalupensis, Guadalupe Mountain necklacepod
- Stellaria porsildii, Porsild's starwort
- Stephanomeria minor var. uintaensis, Uinta slender wirelettuce
- Streptanthus cordatus var. piutensis, heartleaf twistflower
- Tauschia howellii, Howell’s umbrellawort
- Thelesperma caespitosum, Green River greenthread (also known as, Thelesperma pubescens var. caespitosum)
- Thelesperma pubescens, Uinta greenthread (also known as, Thelesperma pubescens var. pubescens)
- Thermopsis macrophylla, Santa Inez goldenbanner
- Tonestus kingii var. barnebyana, Barneby's rockaster
- Trematodon asanoi, Boas’ trematodon moss (also known as: Trematodon boasii)
- Trifolium andinum var. podocephalum, Currant Summit clover
- Viola frank-smithii, Frank Smith's violet
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