All Species in Astragalus
- Ackerman's Milkvetch (Astragalus ackermanii)
- Alkali Milkvetch (Astragalus tener)
- Alpine Milkvetch (Astragalus alpinus)
- Alvord Milkvetch (Astragalus alvordensis)
- American Milkvetch (Astragalus americanus)
- Ames' Milkvetch (Astragalus pulsiferae)
- Anderson's Milkvetch (Astragalus andersonii)
- Annual Desert Milkvetch (Astragalus aridus)
- Apache Milkvetch (Astragalus nutriosensis)
- Applegate's Milkvetch (Astragalus applegatei)
- Arboles Milkvetch (Astragalus oocalycis)
- Arcane Milkvetch (Astragalus obscurus)
- Arizona Milkvetch (Astragalus arizonicus)
- Ash Meadows Milkvetch (Astragalus phoenix)
- Ashen Milkvetch (Astragalus tephrodes)
- Austin's Milkvetch (Astragalus austiniae)
- Aztec Milkvetch (Astragalus proximus)
- Bald Mountain Milkvetch (Astragalus umbraticus)
- Balloonpod Milkvetch (Astragalus whitneyi)
- Barr's Milkvetch (Astragalus barrii)
- Basalt Milkvetch (Astragalus filipes)
- Bastard Draba Milkvetch (Astragalus drabelliformis)
- Bastard Milkvetch (Astragalus tegetarioides)
- Bear Valley Milkvetch (Astragalus leucolobus)
- Bearded Milkvetch (Astragalus villosus)
- Beath's Milkvetch (Astragalus beathii)
- Beatley's Milkvetch (Astragalus beatleyae)
- Beckwith's Milkvetch (Astragalus beckwithii)
- Bent Milkvetch (Astragalus inflexus)
- Bentflower Milkvetch (Astragalus vexilliflexus)
- Bicknell's Milkvetch (Astragalus consobrinus)
- Birdnest Milkvetch (Astragalus nidularius)
- Bishop's Milkvetch (Astragalus episcopus)
- Bitterroot Milkvetch (Astragalus scaphoides)
- Blue Mountain Milkvetch (Astragalus reventus)
- Bodin's Milkvetch (Astragalus bodinii)
- Boise Milkvetch (Astragalus adanus)
- Bolander's Milkvetch (Astragalus bolanderi)
- Bourgov's Milkvetch (Astragalus bourgovii)
- Brandegee's Milkvetch (Astragalus brandegeei)
- Braunton's Milkvetch (Astragalus brauntonii)
- Brazos Milkvetch (Astragalus brazoensis)
- Brewer's Milkvetch (Astragalus breweri)
- Broadkeel Milkvetch (Astragalus platytropis)
- Browse Milkvetch (Astragalus cibarius)
- Bruneau Milkvetch (Astragalus camptopus)
- Buckwheat Milkvetch (Astragalus caricinus)
- Callaway Milkvetch (Astragalus callithrix)
- Canadian Milkvetch (Astragalus canadensis)
- Canoe Milkvetch (Astragalus cymboides)
- Case's Milkvetch (Astragalus casei)
- Castetter's Milkvetch (Astragalus castetteri)
- Cedar Breaks Milkvetch (Astragalus limnocharis)
- Cedros Milkvetch (Astragalus insularis)
- Chaco Milkvetch (Astragalus micromerius)
- Challis Milkvetch (Astragalus amblytropis)
- Chestnut Milkvetch (Astragalus castaneiformis)
- Cibola Milkvetch (Astragalus albulus)
- Cicada Milkvetch (Astragalus chamaeleuce)
- Cima Milkvetch (Astragalus cimae)
- Cisco Milkvetch (Astragalus sabulosus)
- Cleveland's Milkvetch (Astragalus clevelandii)
- Cliff Palace Milkvetch (Astragalus deterior)
- Clokey's Milkvetch (Astragalus aequalis)
- Cobblestone Milkvetch (Astragalus nudisiliquus)
- Colton's Milkvetch (Astragalus coltonii)
- Columbia Milkvetch (Astragalus succumbens)
- Columbian Milkvetch (Astragalus columbianus)
- Congdon's Milkvetch (Astragalus congdonii)
- Cooper's Milkvetch (Astragalus neglectus)
- Copper Mine Milkvetch (Astragalus cobrensis)
- Cotton's Milkvetch (Astragalus cottonii)
- Cow Spring Milkvetch (Astragalus vaccarum)
- Cream Milkvetch (Astragalus racemosus)
- Creeping Milkvetch (Astragalus troglodytus)
- Crescent Milkvetch (Astragalus amphioxys)
- Cronquist's Milkvetch (Astragalus cronquistii)
- Currant Milkvetch (Astragalus uncialis)
- Curvepod Milkvetch (Astragalus curvicarpus)
- Cushenbury Milkvetch (Astragalus albens)
- Cushion Milkvetch (Astragalus aretioides)
- Cusick's Milkvetch (Astragalus cusickii)
- Custer Milkvetch (Astragalus amnis-amissi)
- Cyanic Milkvetch (Astragalus cyaneus)
- Deane's Milkvetch (Astragalus deanei)
- Debeque Milkvetch (Astragalus debequaeus)
- Debris Milkvetch (Astragalus detritalis)
- Depauperate Milkvetch (Astragalus pauperculus)
- Descanso Milkvetch (Astragalus oocarpus)
- Deseret Milkvetch (Astragalus desereticus)
- Dinosaur Milkvetch (Astragalus saurinus)
- Douglas's Milkvetch (Astragalus douglasii)
- Dragon Milkvetch (Astragalus lutosus)
- Drooping Milkvetch (Astragalus reflexus)
- Drummond's Milkvetch (Astragalus drummondii)
- Duchesne Milkvetch (Astragalus duchesnensis)
- Dwarf Milkvetch (Astragalus microcystis)
- Dwarf White Milkvetch (Astragalus didymocarpus)
- Eastwood's Milkvetch (Astragalus eastwoodiae)
- Edwards Plateau Milkvetch (Astragalus nuttallianus var. pleianthus)
- Egg Milkvetch (Astragalus oophorus)
- Eggleston's Milkvetch (Astragalus egglestonii)
- Elegant Milkvetch (Astragalus eucosmus)
- Emory's Milkvetch (Astragalus emoryanus)
- Escarpment Milkvetch (Astragalus striatiflorus)
- Eureka Milkvetch (Astragalus eurekensis)
- Ferron's Milkvetch (Astragalus musiniensis)
- Fisher Milkvetch (Astragalus piscator)
- Flexile Milkvetch (Astragalus flexuosus)
- Flint Mountain Milkvetch (Astragalus siliceus)
- Florida Milkvetch (Astragalus obcordatus)
- Foothill Milkvetch (Astragalus tridactylicus)
- Fort Wingate Milkvetch (Astragalus wingatanus)
- Fourwing Milkvetch (Astragalus tetrapterus)
- Freckled Milkvetch (Astragalus lentiginosus)
- Front Range Milkvetch (Astragalus sparsiflorus)
- Funeral Mountain Milkvetch (Astragalus funereus)
- Gambel's Dwarf Milkvetch (Astragalus gambelianus)
- Geyer's Milkvetch (Astragalus geyeri)
- Giant Milkvetch (Astragalus giganteus)
- Gibbs' Milkvetch (Astragalus gibbsii)
- Gila Milkvetch (Astragalus gilensis)
- Gilman's Milkvetch (Astragalus gilmanii)
- Gladiator Milkvetch (Astragalus xiphoides)
- Glenwood Milkvetch (Astragalus loanus)
- Goose Creek Milkvetch (Astragalus anserinus)
- Grand Junction Milkvetch (Astragalus linifolius)
- Grass Milkvetch (Astragalus chloodes)
- Gravel Milkvetch (Astragalus sabulonum)
- Gray's Milkvetch (Astragalus grayi)
- Great Bladdery Milkvetch (Astragalus megacarpus)
- Green River Milkvetch (Astragalus pubentissimus)
- Ground-Crescent Milkvetch (Astragalus chamaemeniscus)
- Groundcover Milkvetch (Astragalus humistratus)
- Groundplum Milkvetch (Astragalus crassicarpus)
- Guadalupe Milkvetch (Astragalus pictiformis)
- Gumbo Milkvetch (Astragalus ampullarius)
- Gunnison Milkvetch (Astragalus anisus)
- Gypsum Milkvetch (Astragalus gypsodes)
- Hairy-Pod Milkvetch (Astragalus concordius)
- Halfmoon Milkvetch (Astragalus allochrous)
- Halfmoon Milkvetch (Astragalus wootonii)
- Hall's Milkvetch (Astragalus hallii)
- Hamilton's Milkvetch (Astragalus hamiltonii)
- Hangingpod Milkvetch (Astragalus atropubescens)
- Harrison's Milkvetch (Astragalus harrisonii)
- Hartweg's Milkvetch (Astragalus hartwegii)
- Hermit Milkvetch (Astragalus eremiticus)
- Hillside Milkvetch (Astragalus collinus)
- Hood River Milkvetch (Astragalus hoodianus)
- Hopi Milkvetch (Astragalus fucatus)
- Horn's Milkvetch (Astragalus hornii)
- Howell's Milkvetch (Astragalus howellii)
- Huachuca Mountain Milkvetch (Astragalus hypoxylus)
- Humboldt County Milkvetch (Astragalus agnicidus)
- Humboldt River Milkvetch (Astragalus iodanthus)
- Idaho Milkvetch (Astragalus conjunctus)
- Indian Milkvetch (Astragalus australis)
- Inyo Milkvetch (Astragalus inyoensis)
- Isely's Milkvetch (Astragalus iselyi)
- Kaiparowits Milkvetch (Astragalus malacoides)
- Kern County Milkvetch (Astragalus subvestitus)
- Kerr's Milkvetch (Astragalus kerrii)
- Klamath Basin Milkvetch (Astragalus californicus)
- Knight's Milkvetch (Astragalus knightii)
- Kremmling Milkvetch (Astragalus osterhoutii)
- Lackschewitz's Milkvetch (Astragalus molybdenus var. lackschewitzii)
- Lahontan Milkvetch (Astragalus porrectus)
- Lane Mountain Milkvetch (Astragalus jaegerianus)
- Laxmann's Milkvetch (Astragalus laxmannii)
- Leadville Milkvetch (Astragalus molybdenus)
- Leiberg's Milkvetch (Astragalus leibergii)
- Lemhi Milkvetch (Astragalus aquilonius)
- Lemmon's Milkvetch (Astragalus lemmonii)
- Lens Pod Milkvetch (Astragalus lentiformis)
- Lesser Rushy Milkvetch (Astragalus convallarius)
- Limestone Glade Milkvetch (Astragalus bibullatus)
- Limestone Milkvetch (Astragalus titanophilus)
- Lindheimer's Milkvetch (Astragalus lindheimeri)
- Little Bun Milkvetch (Astragalus simplicifolius)
- Little Kern Milkvetch (Astragalus shevockii)
- Loa Milkvetch (Astragalus welshii)
- Lone Pine Milkvetch (Astragalus sepultipes)
- Long Valley Milkvetch (Astragalus johannis-howellii)
- Looseflower Milkvetch (Astragalus tenellus)
- Lotus Milkvetch (Astragalus lotiflorus)
- Lyall's Milkvetch (Astragalus lyallii)
- Mancos Milkvetch (Astragalus humillimus)
- Marsh Milkvetch (Astragalus pycnostachyus)
- Meadow Milkvetch (Astragalus diversifolius)
- Milkweed Milkvetch (Astragalus asclepiadoides)
- Minthorn's Milkvetch (Astragalus minthorniae)
- Missouri Milkvetch (Astragalus missouriensis)
- Moenkopi Milkvetch (Astragalus moencoppensis)
- Mojave Milkvetch (Astragalus mohavensis)
- Mokiak Milkvetch (Astragalus lentiginosus var. mokiacensis)
- Mono Milkvetch (Astragalus monoensis)
- Monument Valley Milkvetch (Astragalus monumentalis)
- Morro Milkvetch (Astragalus curtipes)
- Mourning Milkvetch (Astragalus atratus)
- Mt. Diablo Milkvetch (Astragalus oxyphysus)
- Mulford's Milkvetch (Astragalus mulfordiae)
- Naked Milkvetch (Astragalus serenoi)
- Napa Milkvetch (Astragalus clarianus)
- Narrowleaf Milkvetch (Astragalus pectinatus)
- Naturita Milkvetch (Astragalus naturitensis)
- Needle Mountain Milkvetch (Astragalus eurylobus)
- Nelson's Milkvetch (Astragalus nelsonianus)
- New Mexico Milkvetch (Astragalus neomexicanus)
- Newberry's Milkvetch (Astragalus newberryi)
- Nuttall's Milkvetch (Astragalus nuttallii)
- Nutzotin Milkvetch (Astragalus nutzotinensis)
- Nye Milkvetch (Astragalus nyensis)
- Oregon Milkvetch (Astragalus oreganus)
- Osgood Mountain Milkvetch (Astragalus yoder-williamsii)
- Ozark Milkvetch (Astragalus distortus)
- Pagumpa Milkvetch (Astragalus ensiformis)
- Painted Desert Milkvetch (Astragalus sophoroides)
- Painted Milkvetch (Astragalus ceramicus)
- Palmer's Milkvetch (Astragalus palmeri)
- Palouse Milkvetch (Astragalus arrectus)
- Panamint Milkvetch (Astragalus panamintensis)
- Panther Milkvetch (Astragalus pardalinus)
- Paradox Milkvetch (Astragalus holmgreniorum)
- Park Milkvetch (Astragalus leptaleus)
- Parry's Milkvetch (Astragalus parryi)
- Patterson's Milkvetch (Astragalus pattersonii)
- Pauper Milkvetch (Astragalus misellus)
- Payson's Milkvetch (Astragalus paysonii)
- Peck's Milkvetch (Astragalus peckii)
- Picabo Milkvetch (Astragalus oniciformis)
- Pine Valley Milkvetch (Astragalus straturensis)
- Pinyon Milkvetch (Astragalus pinonis)
- Plains Milkvetch (Astragalus gilviflorus)
- Plateau Milkvetch (Astragalus serpens)
- Platte River Milkvetch (Astragalus plattensis)
- Polar Milkvetch (Astragalus polaris)
- Pomona Milkvetch (Astragalus pomonensis)
- Powdery Milkvetch (Astragalus cerussatus)
- Precocious Milkvetch (Astragalus proimanthus)
- Preuss' Milkvetch (Astragalus preussii)
- Providence Mountain Milkvetch (Astragalus nutans)
- Purple Milkvetch (Astragalus agrestis)
- Railhead Milkvetch (Astragalus terminalis)
- Rare Loco Milkvetch (Astragalus leptocarpus)
- Rattan's Milkvetch (Astragalus rattanii)
- Raven's Milkvetch (Astragalus ravenii)
- Recurved Milkvetch (Astragalus recurvus)
- Rimrock Milkvetch (Astragalus desperatus)
- Ripley's Milkvetch (Astragalus ripleyi)
- Robbins' Milkvetch (Astragalus robbinsii)
- Rocky Mountain Milkvetch (Astragalus scopulorum)
- Rogue River Milkvetch (Astragalus accidens)
- Rusby's Milkvetch (Astragalus rusbyi)
- Rushy Milkvetch (Astragalus lonchocarpus)
- Rydberg's Milkvetch (Astragalus perianus)
- Salinas Milkvetch (Astragalus macrodon)
- Salton Milkvetch (Astragalus crotalariae)
- San Bernardino Milkvetch (Astragalus bernardinus)
- San Clemente Island Milkvetch (Astragalus nevinii)
- San Joaquin Milkvetch (Astragalus asymmetricus)
- San Juan Milkvetch (Astragalus chuskanus)
- San Miguel Milkvetch (Astragalus miguelensis)
- San Rafael Milkvetch (Astragalus rafaelensis)
- Sandbar Milkvetch (Astragalus endopterus)
- Sandstone Milkvetch (Astragalus sesquiflorus)
- Santa Barbara Milkvetch (Astragalus trichopodus)
- Santa Fe Milkvetch (Astragalus feensis)
- Satiny Milkvetch (Astragalus magdalenae)
- Scarlet Milkvetch (Astragalus coccineus)
- Schmoll's Milkvetch (Astragalus schmolliae)
- Sentry Milkvetch (Astragalus cremnophylax)
- Sevier Milkvetch (Astragalus piutensis)
- Shaggy Milkvetch (Astragalus malacus)
- Sharpkeel Milkvetch (Astragalus acutirostris)
- Sheep Milkvetch (Astragalus nothoxys)
- Sheldon's Milkvetch (Astragalus sheldonii)
- Short's Milkvetch (Astragalus shortianus)
- Silky Milkvetch (Astragalus sericoleucus)
- Silver's Milkvetch (Astragalus subcinereus)
- Silverleaf Milkvetch (Astragalus argophyllus)
- Skiff Milkvetch (Astragalus microcymbus)
- Sleeping Ute Milkvetch (Astragalus tortipes)
- Slender Milkvetch (Astragalus gracilis)
- Smallflowered Milkvetch (Astragalus nuttallianus)
- Snake Canyon Milkvetch (Astragalus vallaris)
- Solitary Milkvetch (Astragalus solitarius)
- Soxman's Milkvetch (Astragalus soxmaniorum)
- Spalding's Milkvetch (Astragalus spaldingii)
- Spiny Milkvetch (Astragalus kentrophyta)
- Spring Mountain Milkvetch (Astragalus remotus)
- Starveling Milkvetch (Astragalus jejunus)
- Stinking Milkvetch (Astragalus praelongus)
- Summer Milkvetch (Astragalus hyalinus)
- Susanville Milkvetch (Astragalus inversus)
- Tall Milkvetch (Astragalus altus)
- Tennessee Milkvetch (Astragalus tennesseensis)
- Thickpod Milkvetch (Astragalus pachypus)
- Threadstalk Milkvetch (Astragalus speirocarpus)
- Thurber's Milkvetch (Astragalus thurberi)
- Tidestrom's Milkvetch (Astragalus tidestromii)
- Tiehm's Milkvetch (Astragalus tiehmii)
- Timber Milkvetch (Astragalus miser)
- Toano Milkvetch (Astragalus toanus)
- Tonopah Milkvetch (Astragalus pseudiodanthus)
- Toquima Milkvetch (Astragalus toquimanus)
- Torrey's Milkvetch (Astragalus calycosus)
- Transparent Milkvetch (Astragalus diaphanus)
- Trask's Milkvetch (Astragalus traskiae)
- Trinidad Milkvetch (Astragalus puniceus)
- Triplerib Milkvetch (Astragalus tricarinatus)
- Troubled Milkvetch (Astragalus tegetarioides var. anxius)
- Trout Creek Milkvetch (Astragalus salmonis)
- Tufted Milkvetch (Astragalus spatulatus)
- Tundra Milkvetch (Astragalus umbellatus)
- Tweedy's Milkvetch (Astragalus tweedyi)
- Twocrested Milkvetch (Astragalus bicristatus)
- Twogrooved Milkvetch (Astragalus bisulcatus)
- Tygh Valley Milkvetch (Astragalus tyghensis)
- Utah Milkvetch (Astragalus utahensis)
- Violet Milkvetch (Astragalus iodopetalus)
- Waha Milkvetch (Astragalus arthurii)
- Walker Pass Milkvetch (Astragalus ertterae)
- Ward's Milkvetch (Astragalus wardii)
- Waterfall's Milkvetch (Astragalus waterfallii)
- Webber's Milkvetch (Astragalus webberi)
- Wetherill's Milkvetch (Astragalus wetherillii)
- Whited's Milkvetch (Astragalus sinuatus)
- Widow's Milkvetch (Astragalus layneae)
- Williams' Milkvetch (Astragalus williamsii)
- Winged Milkvetch (Astragalus pterocarpus)
- Wittmann's Milkvetch (Astragalus wittmannii)
- Woodruff's Milkvetch (Astragalus woodruffii)
- Woodypod Milkvetch (Astragalus sclerocarpus)
- Woodyroot Milkvetch (Astragalus riparius)
- Woolly Locoweed (Astragalus mollissimus)
- Woollypod Milkvetch (Astragalus purshii)
- Wright's Milkvetch (Astragalus wrightii)
- Yakima Milkvetch (Astragalus reventiformis)
- Yellow Milkvetch (Astragalus flavus)
- Zion Milkvetch (Astragalus zionis)
- Zuni Milkvetch (Astragalus accumbens)