* indicates the wildflower is currently in bloom.
Common Liverwort: Marchantia polymorpha - South Fork Crooked Creek
California White Fir: Abies concolor x Abies grandis
Western Juniper: Juniperus occidentalis
Whitebark Pine: Pinus albicaulis
Lodgepole Pine: Pinus contorta var. latifolia
Western White Pine: Pinus monticola
Ponderosa Pine: Pinus ponderosa var. ponderosa
Quaking Aspen: Populus tremuloides
Booth's Willow: Salix boothii
Water Sedge: Carex aquatilus var. aquatilus - Hank's Spring
Jone's Sedge: Carex jonesii - Hank's Spring
Woodrush Sedge: Carex luzulina - Hank's Spring
* Raynold's Sedge: Carex raynoldsii
* Sierra Rush: Juncus nevadensis var. nevadensis - Hank's Spring
* Quackgrass: Agropyron repens
* Smooth Brome: Bromus inermis
* California Brome: Bromus sitchensis var. carinatus
* Mountain Brome: Bromus sitchensis var. marginatus
* Cheat Grass: Bromus tectorum
* Tufted Hairgrass: Deschampsia cespitosa - Hank's Spring.
* Bottlebrush Squirreltail: Elymus elymoides
* Blue Wildrye: Elymus glaucus ssp. glaucus
* Lemmon's Needlegrass: Eriocoma lemmonii var. lemmonii
* Fescue: Festuca sp. - greenish
* Alpine Timothy: Phleum alpinum - Hank's Spring
* Timothy: Phleum pratense
* Bulbous Bluegrass: Poa bulbosa
Nevada Bluegrass: Poa secunda var. juncifolia
Sandberg's Bluegrass: Poa secunda var. secunda
* Sierra Onion: Allium campanulatum
Mission Bells: Fritillaria atropurpurea - Maturing fruits.
* California False Hellebore: Veratrum californicum (var. californicum ?)
* Western Blue-eyed Grass: Sisyrinchium idahoense (var. occidentale ?)
* White Bog Orchid: Platanthera dilatata var. leucostachys - Fading out of bloom at Hank's Spring.
* American Bistort: Bistorta bistortoides - South Fork Crooked Creek.
* Mat Buckwheat: Eriogonum cespitosum - Fading out of bloom.
* Tall Buckwheat: Eriogonum elatum
* Parsnipflower Buckwheat: Eriogonum heracleoides
* Goose Lake Wild Buckwheat: Eriogonum strictum var. anserinum
* Modoc Sulfur Flower Buckwheat: Eriogonum umbellatum var. modocense
Common Knotweed: Polygonum aviculare (var. ?)
* Douglas' Knotweed: Polygonum douglasii
* Sheep Sorrel: Rumex acetosella - South Fork Crooked Creek Trailhead.
Western Dock: Rumex occidentalis
Water Montia: Montia fontana
* Common Mouse-ear Chickweed: Cerastium fontanum ssp. vulgare
* Prickly Sandwort: Eremogone aculeata
* Sticky Starwort: Pseudostellaria jamesiana
* Alpine Pearlwort: Sagina saginoides - Along South Fork Crooked Creek.
* Goldie's Starwort: Stellaria longipes ssp. longipes
Brown's Peony: Paeonia brownii
* Western Columbine: Aquilegia formosa
* Blue Mountain Larkspur: Delphinium depauperatum
* Upland Larkspur: Delphinium nuttallianum - Fading out of bloom.
Fendler's Meadow-rue: Thalictrum fendleri ? - Maturing fruits.
* Secund Rockcress: Boechera retrofracta
Sicklepod Rockcress: Boechera sparsiflora
* Cutleaf Tansymustard: Descurainia incisa ssp. incisa
* Clasping Pepperweed: Lepidium perfoliatum - At South Fork Crooked Creek trailhead.
Daggerpods: Phoenicaulis cheiranthoides
* Oregon Saxifrage: Micranthes oregana - Fading out of bloom at Hank's Spring.
Wax Currant: Ribes cereum var. cereum
Mountain Currant: Ribes montigenum
Sticky Gooseberry: Ribes viscosissimum
Curlleaf Mountain Mahogany: Cercocarpus ledifolius var. intermontanus
* Nevada Cinquefoil: Drymocallis lactea var. lactea
* Prairie Smoke: Geum triflorum var. ciliatum
* Brewer's Cinquefoil: Potentilla breweri - Near Hank's Spring.
* Slender Cinquefoil: Potentilla gracilis var. fastigiata - Hank's Spring
Western Burnet: Poteridium occidentale
Bittercherry: Prunus emarginatus var. emarginatus - Fruits several weeks from ripening.
Antelope Bitterbrush: Purshia tridentata
* Threadstalk Milkvetch: Astragalus filipes
Woollypod Milkvetch: Astragalus purshii (var. purshii ?) - Fruits maturing.
* Bladder Milkvetch: Astragalus whitneyi var. confusus - Mostly out of bloom.
* Kellogg's Spurred Lupine: Lupinus argenteus var. heteranthus
Prostrate Lupine: Lupinus lepidus (var. ?) - Past bloom, so hard to ID.
Stony Ground Lupine: Lupinus polyphyllus var. saxosus - Past bloom.
* Wormskjold's Clover: Trifolium wormskjoldii - Hank's Spring
* American Vetch: Vicia ameriana
Upland Yellow Violet: Viola praemorsa (ssp. praemorsa ?)
Goosefoot Violet: Viola purpurea ssp. venosa
* Tinker's Penny: Hypericum anagalloides
Snowbrush: Ceanothus velutinus var. velutinus
* Oregon Checkermallow: Sidalcea oregana var. oregana
* Sticky Geranium: Geranium viscosissimum var. incisum
Fireweed: Chamaenerion angustifolium
* Tall Annual Eveningprimrose: Epilobium brachycarpum
* Common Willowherb: Epilobium ciliatum ssp. glandulosum - At Hank's Spring.
* Spreading Groundsmoke: Gayophytum diffusum
* Gray's Lovage: Ligusticum grayi
Nevada Desert Parsley: Lomatium nevadense - Maturing fruits.
Nineleaf Desert Parsley: Lomatium triternatum
Common Sweet Cicely: Osmorhiza berteroi
Western Sweet Cicely: Osmorhiza occidentalis - Fruits maturing.
Siera Snakeroot: Sanicula graveolens
Western Blue Flax: Linum lewisii var. lewisii
Explorer's Gentian: Gentiana calycosa ?- Near Hanks Springs.
* Blazingstar: Mentzelia sp.
* Alpine Shooting Star: Dodecatheon alpinum - Hanks Spring.
* Large-flowered Collomia: Collomia grandiflora
* Narrowleaved Collomia: Collomia linearis
* Yellow-staining Collomia: Collomia tinctoria
* Scarlet Gilia: Ipomopsis aggregata ssp. aggregata
* Harkness' Flaxflower: Leptosiphon harknessii
Granite Phlox: Linanthus pungens
* Midget Phlox: Microsteris gracilis - A few plants remaining in bloom.
* Brewer's Navarretia: Navarretia breweri
* Prickly Navarretia: Navarretia intertexta
Spreading Phlox: Phlox diffusa or Hood's Phlox: Phlox hoodii ?
* Moss Phlox: Phlox muscoides
Ballhead Waterleaf: Hydrophyllum capitatum (var. ?)
Great Basin Nemophila: Nemophila breviflora
Austin's Small-flowered Nemophila: Nemophila parviflora var. austiniae
* Purple Phacelia: Phacelia hastata var. alpina - Fading out of bloom.
* Linearleaf Phacelia: Phacelia linearis
* Blue Stickseed: Hackelia micrantha
Bluebells: Mertensia sp. - Past bloom.
* Nettleleaf Horsemint: Agastache uricifolia var. urticifolia
Coyote Mint: Monardella odoratissima - In bud.
* Wavy-leaf Paintbrush: Castilleja applegatei var. pinetorum
* Acute Harsh Paintbrush: Castilleja hispida var. acuta
* Hairy Paintbrush: Castilleja pilosa var. pilosa
* Yakima Birdsbeak: Cordylanthus capitatus ?
* Common Monkeyflower: Erythranthe guttata - At trailside springs.
* Musk Monkeyflower: Erythranthe moschata - Hanks Spring
* Primrose Monkeyflower: Erythranthe primuloides - Hanks Spring
* Hidden-flowered Owlclover: Orthocarpus cuspidatus ssp. cryptanthus
* Rydberg's Penstemon: Penstemon rydbergii var. oreocharis - Hank's Spring.
* Elephantheads: Pedicularis groenlandica - Fading out of bloom at several trailside springs.
* Blue Elderberry: Sambucus mexicana ssp. cerulea
* Mountain Snowberry: Symphoricarpos rotundifolius
* Yarrow: Achillea millefolium
* Orange Agoseris: Agoseris aurantiaca var. aurantiaca
* Glaucous Agoseris: Agoseris glauca var. glauca
Large-flowered Agoseris: Agoseris grandiflora var. grandiflora
* Annual Agoseris: Agoseris heterophylla - Fading out of bloom.
* Rosy Pussytoes: Antennaria microphylla - Fading out of bloom.
* Heartleaf Arnica: Arnica cordifolia
* Hairy Arnica: Arnica mollis - Hank's Spring.
Low Sagebrush: Artemisia arbuscula ssp. arbuscula
Mountain Big Sagebrush: Artemisia tridentata ssp. vaseyana
* Arrowleaf Balsamroot: Balsamorhiza sagittata
Serrate Balsamroot: Balsamorhiza serrata - Past bloom on balds just north of Hank's Spring.
* Hoary False Yarrow: Chaenactis douglasii var. douglasii - Fading out of bloom.
* Green Rabbitbrush: Chrysothamnus viscidiflorus (var. ?) - Beginning to bloom.
* Peregrine Thistle: Cirsium cymosum var. cymosum - At South Fork Crooked Creek Trailhead
* Tapertip Hawksbeard: Crepis acuminata
Modoc Hawksbeard: Crepis modocensis - Past bloom.
Greene's Goldenweed: Ericameria greenei - In bud.
Gray Rabbitbrush: Ericameria nauseosa (var. ?)
* Plantain-leaved Daisy: Erigeron eatonii (var. plantagineus ?)
* Foreign Daisy: Erigeron glacialis var. glacialis
* Yarrow-leaved Oregon Sunshine: Eriophyllum lanatum var. achilleoides
* White-flowered Hawkweed: Hieracium albiflorum - Beginning to bloom.
* Scouler's Hawkweed: Hieracium scouleri - Beginning to bloom.
* Craggy Aster: Ionactis alpina - Fading out of bloom.
* Mountain Tarweed: Madia glomerata - Near South Fork Crooked Creek Trailhead.
* Slender Tarweed: Madia gracilis
* Woolly Groundsel: Packera cana
* Tacky Goldenweed: Pyrrocoma hirta - Meadows near Hank's Spring.
* Western Groundsel: Senecio integerrimus var. exaltatus - Fading out of bloom around Hank's Spring.
* Arrowleaf Groundsel: Senecio triangularis - Along trailside springs.
* Leafybract Aster: Symphyotrichum foliaceum var. parryi - Near South Fork Crooked River Trailhead.
* Common Dandelion: Taraxacum officinale
* Salsify: Tragopogon dubius