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Classification
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Classification for Kingdom Plantae Down to Genus Astragalus L.

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Up to the Kingdom
Kingdom  Plantae – Plants
Subkingdom  Tracheobionta – Vascular plants
Superdivision  Spermatophyta – Seed plants
Division  Magnoliophyta – Flowering plants
Class  Magnoliopsida – Dicotyledons
Subclass  Rosidae
Order  Fabales
Family  Fabaceae – Pea family
Genus  Astragalus L. – milkvetch P
 
Contains 421 Species and 616 accepted taxa overall
 
Down one level
 
Species  Astragalus accidens S. Watson – Rogue River milkvetch P
Variety  Astragalus accidens S. Watson var. accidens – Rogue River milkvetch P
Variety  Astragalus accidens S. Watson var. hendersonii M.E. Jones – Henderson's milkvetch P
Species  Astragalus accumbens Sheldon – Zuni milkvetch P
Species  Astragalus ackermanii Barneby – Ackerman's milkvetch P
Species  Astragalus acutirostris S. Watson – sharpkeel milkvetch P
Species  Astragalus adanus A. Nelson – Boise milkvetch P
Species  Astragalus aduncus Willd. P
Species  Astragalus aequalis Clokey – Clokey's milkvetch P
Species  Astragalus agnicidus Barneby – Humboldt County milkvetch P
Species  Astragalus agrestis Douglas ex G. Don – purple milkvetch P
Species  Astragalus albens Greene – cushenbury milkvetch P
Species  Astragalus albulus Wooton & Standl. – cibola milkvetch P
Species  Astragalus allochrous A. Gray – halfmoon milkvetch P
Species  Astragalus alopecuroides L. P
Species  Astragalus alopecurus Pall. P
Species  Astragalus alpinus L. – alpine milkvetch P
Variety  Astragalus alpinus L. var. alpinus – alpine milkvetch P
Variety  Astragalus alpinus L. var. brunetianus Fernald – alpine milkvetch P
Species  Astragalus altus Wooton & Standl. – tall milkvetch P
Species  Astragalus alvordensis M.E. Jones – Alvord milkvetch P
Species  Astragalus amblytropis Barneby – Challis milkvetch P
Species  Astragalus americanus (Hook.) M.E. Jones – American milkvetch P
Species  Astragalus amnis-amissi Barneby ex C.L. Hitchc. – Custer milkvetch P
Species  Astragalus amphioxys A. Gray – Crescent milkvetch P
Variety  Astragalus amphioxys A. Gray var. amphioxys – Crescent milkvetch P
Variety  Astragalus amphioxys A. Gray var. modestus Barneby – Crescent milkvetch P
Variety  Astragalus amphioxys A. Gray var. musimonum (Barneby) Barneby – Crescent milkvetch P
Variety  Astragalus amphioxys A. Gray var. vespertinus (Sheldon) M.E. Jones – Aladdin's slippers P
Species  Astragalus ampullarius S. Watson – gumbo milkvetch P
Species  Astragalus andersonii A. Gray – Anderson's milkvetch P
Species  Astragalus anemophilus Greene [excluded] P
Species  Astragalus angustifolius Lam. P
Species  Astragalus anisus M.E. Jones – Gunnison milkvetch P
Species  Astragalus annularis Forssk. P
Species  Astragalus anserinus N.D. Atwood, Goodrich & S.L. Welsh – Goose Creek milkvetch P
Species  Astragalus anxius R.J. Meinke & Kaye – troubled milkvetch P
Species  Astragalus applegatei M. Peck – Applegate's milkvetch P
Species  Astragalus aquilonius (Barneby) Barneby – Lemhi milkvetch P
Species  Astragalus arenarius L. P
Species  Astragalus aretioides (M.E. Jones) Barneby – cushion milkvetch P
Species  Astragalus argophyllus Nutt. – silverleaf milkvetch P
Variety  Astragalus argophyllus Nutt. var. argophyllus – silverleaf milkvetch P
Variety  Astragalus argophyllus Nutt. var. martinii M.E. Jones – silverleaf milkvetch P
Variety  Astragalus argophyllus Nutt. var. panguicensis (M.E. Jones) M.E. Jones – silverleaf milkvetch P
Variety  Astragalus argophyllus Nutt. var. stocksii (S.L. Welsh) Barneby ex Isely – silverleaf milkvetch P
Species  Astragalus aridus A. Gray – annual desert milkvetch P
Species  Astragalus arizonicus A. Gray – Arizona milkvetch P
Species  Astragalus arrectus A. Gray – Palouse milkvetch P
Species  Astragalus arthurii M.E. Jones – waha milkvetch P
Species  Astragalus asclepiadoides M.E. Jones – milkweed milkvetch P
Species  Astragalus asper Jacq. P
Species  Astragalus asymmetricus Sheldon – San Joaquin milkvetch P
Species  Astragalus atratus S. Watson – mourning milkvetch P
Variety  Astragalus atratus S. Watson var. atratus – mourning milkvetch P
Variety  Astragalus atratus S. Watson var. inseptus Barneby – Fairfield milkvetch P
Variety  Astragalus atratus S. Watson var. mensanus M.E. Jones – mourning milkvetch P
Variety  Astragalus atratus S. Watson var. owyheensis (A. Nelson & J.F. Macbr.) M.E. Jones – Owyhee milkvetch P
Species  Astragalus atropilosulus (Hochst.) Bunge P
Subspecies  Astragalus atropilosulus (Hochst.) Bunge ssp. abyssinicus (Hochst.) J.B. Gillett P
Species  Astragalus atropubescens J.M. Coult. & Fisher – hangingpod milkvetch P
Species  Astragalus austiniae A. Gray ex W.H. Brewer & S. Watson – Austin's milkvetch P
Species  Astragalus australis (L.) Lam. – Indian milkvetch P
Species  Astragalus austriacus Jacq. P
Species  Astragalus barrii Barneby – Barr's milkvetch P
Species  Astragalus beathii Ced. Porter – Beath's milkvetch P
Species  Astragalus beatleyae Barneby – Beatley's milkvetch P
Species  Astragalus beckwithii Torr. & A. Gray – Beckwith's milkvetch P
Variety  Astragalus beckwithii Torr. & A. Gray var. beckwithii – Beckwith's milkvetch P
Variety  Astragalus beckwithii Torr. & A. Gray var. purpureus M.E. Jones – Beckwith's milkvetch P
Variety  Astragalus beckwithii Torr. & A. Gray var. sulcatus Barneby – Beckwith's milkvetch P
Variety  Astragalus beckwithii Torr. & A. Gray var. weiserensis M.E. Jones – Weiser's milkvetch P
Species  Astragalus bernardinus M.E. Jones – San Bernardino milkvetch P
Species  Astragalus bibullatus Barneby & Bridges – limestone glade milkvetch P
Species  Astragalus bicristatus A. Gray – twocrested milkvetch P
Species  Astragalus bisulcatus (Hook.) A. Gray – twogrooved milkvetch P
Variety  Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus – twogrooved milkvetch P
Variety  Astragalus bisulcatus (Hook.) A. Gray var. haydenianus (A. Gray) Barneby – Hayden's milkvetch P
Variety  Astragalus bisulcatus (Hook.) A. Gray var. major (M.E. Jones) S.L. Welsh – twogrooved milkvetch P
Variety  Astragalus bisulcatus (Hook.) A. Gray var. nevadensis (M.E. Jones) Barneby – Nevada milkvetch P
Species  Astragalus bodinii Sheldon – Bodin's milkvetch P
Species  Astragalus boeticus L. P
Species  Astragalus bolanderi A. Gray – Bolander's milkvetch P
Species  Astragalus bourgaeanus Coss. P
Species  Astragalus bourgovii A. Gray – Bourgov's milkvetch P
Species  Astragalus brachycarpus M. Bieb. P
Species  Astragalus brandegeei Porter – Brandegee's milkvetch P
Species  Astragalus brauntonii Parish – Braunton's milkvetch P
Species  Astragalus brazoensis Buckley – Brazos milkvetch P
Species  Astragalus breweri A. Gray – Brewer's milkvetch P
Species  Astragalus bryogenes Barneby [excluded] P
Species  Astragalus bungeanus Boiss. P
Species  Astragalus californicus (A. Gray) Greene – Klamath Basin milkvetch P
Species  Astragalus callithrix Barneby – Callaway milkvetch P
Species  Astragalus calycinus M. Bieb. P
Species  Astragalus calycosus Torr. ex S. Watson – Torrey's milkvetch P
Variety  Astragalus calycosus Torr. ex S. Watson var. calycosus – Torrey's milkvetch P
Variety  Astragalus calycosus Torr. ex S. Watson var. monophyllidius (Rydb.) Barneby – Torrey's milkvetch P
Variety  Astragalus calycosus Torr. ex S. Watson var. scaposus (A. Gray) M.E. Jones – Torrey's milkvetch P
Species  Astragalus camptopus Barneby – Bruneau milkvetch P
Species  Astragalus canadensis L. – Canadian milkvetch P
Variety  Astragalus canadensis L. var. brevidens (Gandog.) Barneby – shorttooth Canadian milkvetch P
Variety  Astragalus canadensis L. var. canadensis – Canadian milkvetch P
Variety  Astragalus canadensis L. var. mortonii (Nutt.) S. Watson – Morton's Canadian milkvetch P
Species  Astragalus captiosus Boriss. P
Species  Astragalus caraganae Fisch. & C.A. Mey. P
Species  Astragalus caricinus (M.E. Jones) Barneby – buckwheat milkvetch P
Species  Astragalus carminis Barneby [excluded] P
Species  Astragalus casei A. Gray ex W.H. Brewer & S. Watson – Case's milkvetch P
Species  Astragalus castaneiformis S. Watson – chestnut milkvetch P
Species  Astragalus castetteri Barneby – Castetter's milkvetch P
Species  Astragalus centralpinus Braun-Blanq. P
Species  Astragalus ceramicus Sheldon – painted milkvetch P
Variety  Astragalus ceramicus Sheldon var. apus Barneby – painted milkvetch P
Variety  Astragalus ceramicus Sheldon var. ceramicus – painted milkvetch P
Variety  Astragalus ceramicus Sheldon var. filifolius (A. Gray) F.J. Herm. – painted milkvetch P
Species  Astragalus cerussatus Sheldon – powdery milkvetch P
Species  Astragalus chaborasicus Boiss. & Hausskn. P
Species  Astragalus chamaeleuce A. Gray – cicada milkvetch P
Variety  Astragalus chamaeleuce A. Gray var. chamaeleuce – cicada milkvetch P
Variety  Astragalus chamaeleuce A. Gray var. laccoliticus (M.E. Jones) Barneby ex Isely – cicada milkvetch P
Species  Astragalus chamaemeniscus Barneby – ground-crescent milkvetch P
Species  Astragalus chinensis L. f. – Chinese milkvetch P
Species  Astragalus chloodes Barneby – grass milkvetch P
Species  Astragalus chuskanus Barneby & Spellenb. – San Juan milkvetch P
Species  Astragalus cibarius Sheldon – browse milkvetch P
Species  Astragalus cicer L. – chickpea milkvetch P
Species  Astragalus cimae M.E. Jones – cima milkvetch P
Variety  Astragalus cimae M.E. Jones var. cimae – cima milkvetch P
Variety  Astragalus cimae M.E. Jones var. sufflatus Barneby – cima milkvetch P
Species  Astragalus clarianus Jeps. – Napa milkvetch P
Species  Astragalus clevelandii Greene – Cleveland's milkvetch P
Species  Astragalus cobrensis A. Gray – copper mine milkvetch P
Variety  Astragalus cobrensis A. Gray var. cobrensis – copper mine milkvetch P
Variety  Astragalus cobrensis A. Gray var. maguirei Kearney – Maguire's milkvetch P
Species  Astragalus coccineus Brandegee – scarlet milkvetch P
Species  Astragalus collinus Douglas ex G. Don – hillside milkvetch P
Variety  Astragalus collinus Douglas ex G. Don var. collinus – hillside milkvetch P
Variety  Astragalus collinus Douglas ex G. Don var. laurentii (Rydb.) Barneby – Laurent's milkvetch P
Species  Astragalus coltonii M.E. Jones – Colton's milkvetch P
Variety  Astragalus coltonii M.E. Jones var. coltonii – Colton's milkvetch P
Variety  Astragalus coltonii M.E. Jones var. moabensis M.E. Jones – Moab milkvetch P
Species  Astragalus columbianus Barneby – Columbian milkvetch P
Species  Astragalus coluteocarpus Boiss. P
Species  Astragalus commixtus Bunge P
Species  Astragalus concordius S.L. Welsh – hairy-pod milkvetch P
Species  Astragalus congdonii S. Watson – Congdon's milkvetch P
Species  Astragalus conjunctus S. Watson – Idaho milkvetch P
Variety  Astragalus conjunctus S. Watson var. conjunctus – Idaho milkvetch P
Variety  Astragalus conjunctus S. Watson var. rickardii S.L. Welsh, K. Beck & F. Caplow – Idaho milkvetch P
Species  Astragalus consobrinus (Barneby) S.L. Welsh – Bicknell's milkvetch P
Species  Astragalus contortuplicatus L. – Hungarian milkvetch P
Species  Astragalus convallarius Greene – lesser rushy milkvetch P
Variety  Astragalus convallarius Greene var. convallarius – lesser rushy milkvetch P
Variety  Astragalus convallarius Greene var. finitimus Barneby – lesser rushy milkvetch P
Variety  Astragalus convallarius Greene var. margaretiae Barneby – lesser rushy milkvetch P
Variety  Astragalus convallarius Greene var. scopulorum Barneby – lesser rushy milkvetch P
Species  Astragalus coodei D.F. Chamb. & V.A. Matthews P
Species  Astragalus cornutus Pall. P
Species  Astragalus corrugatus Bertol. P
Species  Astragalus cottonii M.E. Jones – Cotton's milkvetch P
Species  Astragalus crassicarpus Nutt. – groundplum milkvetch P
Variety  Astragalus crassicarpus Nutt. var. berlandieri Barneby – groundplum milkvetch P
Variety  Astragalus crassicarpus Nutt. var. cavus Barneby – groundplum milkvetch P
Variety  Astragalus crassicarpus Nutt. var. crassicarpus – groundplum milkvetch P
Variety  Astragalus crassicarpus Nutt. var. paysonii (E.H. Kelso) Barneby – groundplum milkvetch P
Variety  Astragalus crassicarpus Nutt. var. trichocalyx (Nutt.) Barneby – groundplum milkvetch P
Species  Astragalus cremnophylax Barneby – sentry milkvetch P
Variety  Astragalus cremnophylax Barneby var. cremnophylax – sentry milkvetch P
Variety  Astragalus cremnophylax Barneby var. hevronii Barneby – sentry milkvetch P
Variety  Astragalus cremnophylax Barneby var. myriorrhaphis Barneby – sentry milkvetch P
Species  Astragalus cronquistii Barneby – Cronquist's milkvetch P
Species  Astragalus crotalariae (Benth.) A. Gray – Salton milkvetch P
Species  Astragalus curtipes A. Gray – Morro milkvetch P
Species  Astragalus curvicarpus (A. Heller) J.F. Macbr. – curvepod milkvetch P
Variety  Astragalus curvicarpus (A. Heller) J.F. Macbr. var. brachycodon (Barneby) Barneby – curvepod milkvetch P
Variety  Astragalus curvicarpus (A. Heller) J.F. Macbr. var. curvicarpus – curvepod milkvetch P
Variety  Astragalus curvicarpus (A. Heller) J.F. Macbr. var. subglaber (Rydb.) Barneby – smooth loco milkvetch P
Species  Astragalus cusickii A. Gray – Cusick's milkvetch P
Variety  Astragalus cusickii A. Gray var. cusickii – Cusick's milkvetch P
Variety  Astragalus cusickii A. Gray var. flexilipes Barneby – Cusick's milkvetch P
Variety  Astragalus cusickii A. Gray var. packardiae Barneby – Packard's milkvetch P
Variety  Astragalus cusickii A. Gray var. sterilis (Barneby) Barneby – barren milkvetch P
Species  Astragalus cyaneus A. Gray – cyanic milkvetch P
Species  Astragalus cymbicarpos Brot. P
Species  Astragalus cymboides M.E. Jones – canoe milkvetch P
Species  Astragalus danicus Retz. P
Species  Astragalus dasyanthus Pall. P
Species  Astragalus deanei (Rydb.) Barneby – Deane's milkvetch P
Species  Astragalus debequaeus S.L. Welsh – Debeque milkvetch P
Species  Astragalus demetrii Kharadze P
Species  Astragalus depressus L. P
Species  Astragalus desereticus Barneby – deseret milkvetch P
Species  Astragalus desperatus M.E. Jones – rimrock milkvetch P
Variety  Astragalus desperatus M.E. Jones var. conspectus Barneby – rimrock milkvetch P
Variety  Astragalus desperatus M.E. Jones var. desperatus – rimrock milkvetch P
Variety  Astragalus desperatus M.E. Jones var. neeseae Barneby – Elizabeth's milkvetch P
Variety  Astragalus desperatus M.E. Jones var. petrophilus M.E. Jones – rimrock milkvetch P
Species  Astragalus deterior (Barneby) Barneby – Cliff Palace milkvetch P
Species  Astragalus detritalis M.E. Jones – debris milkvetch P
Species  Astragalus diaphanus Douglas ex Hook. – transparent milkvetch P
Species  Astragalus didymocarpus Hook. & Arn. – dwarf white milkvetch P
Variety  Astragalus didymocarpus Hook. & Arn. var. didymocarpus – dwarf white milkvetch P
Variety  Astragalus didymocarpus Hook. & Arn. var. dispermus (A. Gray) Jeps. – dwarf white milkvetch P
Variety  Astragalus didymocarpus Hook. & Arn. var. milesianus (Rydb.) Jeps. – dwarf white milkvetch P
Variety  Astragalus didymocarpus Hook. & Arn. var. obispoensis (Rydb.) Jeps. – San Obispo milkvetch P
Species  Astragalus distortus Torr. & A. Gray – Ozark milkvetch P
Variety  Astragalus distortus Torr. & A. Gray var. distortus – Ozark milkvetch P
Variety  Astragalus distortus Torr. & A. Gray var. engelmannii (Sheldon) M.E. Jones – Englemann's milkvetch P
Species  Astragalus diversifolius A. Gray – meadow milkvetch P
Species  Astragalus douglasii (Torr. & A. Gray) A. Gray – Douglas's milkvetch P
Variety  Astragalus douglasii (Torr. & A. Gray) A. Gray var. douglasii – Parish's milkvetch P
Variety  Astragalus douglasii (Torr. & A. Gray) A. Gray var. parishii (A. Gray) M.E. Jones – Parish's milkvetch P
Variety  Astragalus douglasii (Torr. & A. Gray) A. Gray var. perstrictus (Rydb.) Munz & McBurney – Jacumba milkvetch P
Species  Astragalus drabelliformis Barneby – bastard draba milkvetch P
Species  Astragalus drummondii Douglas ex Hook. – Drummond's milkvetch P
Species  Astragalus duchesnensis M.E. Jones – Duchesne milkvetch P
Species  Astragalus eastwoodiae M.E. Jones – Eastwood's milkvetch P
Species  Astragalus echinatus Murray P
Species  Astragalus edulis Durieu ex Bunge – milkvetch P
Species  Astragalus egglestonii (Rydb.) Kearney & Peebles – Eggleston's milkvetch P
Species  Astragalus emoryanus (Rydb.) Cory – Emory's milkvetch P
Variety  Astragalus emoryanus (Rydb.) Cory var. emoryanus – Emory's milkvetch P
Variety  Astragalus emoryanus (Rydb.) Cory var. terlinguensis (Cory) Barneby – Emory's milkvetch P
Species  Astragalus endopterus (Barneby) Barneby – sandbar milkvetch P
Species  Astragalus ensiformis M.E. Jones – pagumpa milkvetch P
Variety  Astragalus ensiformis M.E. Jones var. ensiformis – pagumpa milkvetch P
Variety  Astragalus ensiformis M.E. Jones var. gracilior Barneby – pagumpa milkvetch P
Species  Astragalus epiglottis L. P
Species  Astragalus episcopus S. Watson – bishop's milkvetch P
Variety  Astragalus episcopus S. Watson var. episcopus – bishop's milkvetch P
Variety  Astragalus episcopus S. Watson var. lancearius (A. Gray) Isely – bishop's milkvetch P
Species  Astragalus eremiticus Sheldon – hermit milkvetch P
Species  Astragalus ertterae Barneby & Shevock – Walker Pass milkvetch P
Species  Astragalus eucosmus B.L. Rob. – elegant milkvetch P
Species  Astragalus eurekensis M.E. Jones – Eureka milkvetch P
Species  Astragalus eurylobus (Barneby) Barneby – Needle Mountain milkvetch P
Species  Astragalus falcatus Lam. – Russian milkvetch P
Species  Astragalus feensis M.E. Jones – Santa Fe milkvetch P
Species  Astragalus filipes Torr. ex A. Gray – basalt milkvetch P
Species  Astragalus flavus Nutt. – yellow milkvetch P
Species  Astragalus flexuosus Douglas ex G. Don – flexile milkvetch P
Variety  Astragalus flexuosus Douglas ex G. Don var. diehlii (M.E. Jones) Barneby – Diehl's milkvetch P
Variety  Astragalus flexuosus Douglas ex G. Don var. flexuosus – flexile milkvetch P
Variety  Astragalus flexuosus Douglas ex G. Don var. greenei (A. Gray) Barneby – Greene's milkvetch P
Species  Astragalus fraxinifolius DC. P
Species  Astragalus frigidus (L.) A. Gray P
Species  Astragalus fucatus Barneby – Hopi milkvetch P
Species  Astragalus funereus M.E. Jones – Funeral Mountain milkvetch P
Species  Astragalus galegiformis L. P
Species  Astragalus gambelianus Sheldon – Gambel's dwarf milkvetch P
Species  Astragalus geyeri A. Gray – Geyer's milkvetch P
Variety  Astragalus geyeri A. Gray var. geyeri – Geyer's milkvetch P
Variety  Astragalus geyeri A. Gray var. triquetrus (A. Gray) M.E. Jones – Geyer's milkvetch P
Species  Astragalus gibbsii Kellogg – Gibbs' milkvetch P
Species  Astragalus giganteus S. Watson – giant milkvetch P
Species  Astragalus gilensis Greene – Gila milkvetch P
Species  Astragalus gilmanii Tidestr. – Gilman's milkvetch P
Species  Astragalus gilviflorus Sheldon – plains milkvetch P
Variety  Astragalus gilviflorus Sheldon var. gilviflorus – plains milkvetch P
Variety  Astragalus gilviflorus Sheldon var. purpureus Dorn – plains milkvetch P
Species  Astragalus glaux L. P
Species  Astragalus globiceps Bunge P
Species  Astragalus glycyphylloides DC. P
Species  Astragalus glycyphyllos L. – licorice milkvetch P
Species  Astragalus gracilis Nutt. – slender milkvetch P
Species  Astragalus grayi Parry ex S. Watson – Gray's milkvetch P
Species  Astragalus gummifer Labill. – gum tragacanth milkvetch P
Species  Astragalus gypsodes Barneby – gypsum milkvetch P
Species  Astragalus hallii A. Gray – Hall's milkvetch P
Variety  Astragalus hallii A. Gray var. fallax (M.E. Jones) Barneby – Hall's milkvetch P
Variety  Astragalus hallii A. Gray var. hallii – Hall's milkvetch P
Species  Astragalus hamiltonii Ced. Porter – Hamilton's milkvetch P
Species  Astragalus hamosus L. – European milkvetch P
Species  Astragalus harrisonii Barneby – Harrison's milkvetch P
Species  Astragalus hartwegii Benth. – Hartweg's milkvetch P
Species  Astragalus holmgreniorum Barneby – Paradox milkvetch P
Species  Astragalus hoodianus Howell – Hood River milkvetch P
Species  Astragalus hornii A. Gray – Horn's milkvetch P
Species  Astragalus howellii A. Gray – Howell's milkvetch P
Species  Astragalus humillimus A. Gray – Mancos milkvetch P
Species  Astragalus humistratus A. Gray – groundcover milkvetch P
Variety  Astragalus humistratus A. Gray var. crispulus Barneby – groundcover milkvetch P
Variety  Astragalus humistratus A. Gray var. hosackiae (Greene) M.E. Jones – groundcover milkvetch P
Variety  Astragalus humistratus A. Gray var. humistratus – groundcover milkvetch P
Variety  Astragalus humistratus A. Gray var. humivagans (Rydb.) Barneby – groundcover milkvetch P
Variety  Astragalus humistratus A. Gray var. sonorae (A. Gray) M.E. Jones – groundcover milkvetch P
Variety  Astragalus humistratus A. Gray var. tenerrimus M.E. Jones – groundcover milkvetch P
Species  Astragalus hyalinus M.E. Jones – summer milkvetch P
Species  Astragalus hypoxylus S. Watson – Huachuca Mountain milkvetch P
Species  Astragalus incanus L. P
Subspecies  Astragalus incanus L. ssp. macrorhizus (Cav.) Chater P
Species  Astragalus inflatus DC. P
Species  Astragalus inflexus Douglas ex Hook. – bent milkvetch P
Species  Astragalus insularis Kellogg – Cedros milkvetch P
Variety  Astragalus insularis Kellogg var. harwoodii Munz & McBurney – Harwood's milkvetch P
Species  Astragalus inversus M.E. Jones – Susanville milkvetch P
Species  Astragalus inyoensis Sheldon – Inyo milkvetch P
Species  Astragalus iodanthus S. Watson – Humboldt River milkvetch P
Variety  Astragalus iodanthus S. Watson var. diaphanoides Barneby – snake milkvetch P
Variety  Astragalus iodanthus S. Watson var. iodanthus – Humboldt River milkvetch P
Species  Astragalus iodopetalus (Rydb.) Barneby – violet milkvetch P
Species  Astragalus iselyi S.L. Welsh – Isely's milkvetch P
Species  Astragalus jaegerianus Munz – Lane Mountain milkvetch P
Species  Astragalus jejunus S. Watson – starveling milkvetch P
Variety  Astragalus jejunus S. Watson var. articulatus Dorn – starveling milkvetch P
Variety  Astragalus jejunus S. Watson var. jejunus – starveling milkvetch P
Species  Astragalus johannis-howellii Barneby – Long Valley milkvetch P
Species  Astragalus kentrophyta A. Gray – spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. coloradoensis M.E. Jones – Colorado spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. danaus (Barneby) Barneby – spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. douglasii Barneby – Douglas' spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. elatus S. Watson – tall spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. jessiae (M. Peck) Barneby – spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. kentrophyta – spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. neomexicanus (Barneby) Barneby – New Mexico spiny milkvetch P
Variety  Astragalus kentrophyta A. Gray var. tegetarius (S. Watson) Dorn – mat milkvetch P
Variety  Astragalus kentrophyta A. Gray var. ungulatus M.E. Jones – spiny milkvetch P
Species  Astragalus kerrii Knight & Cully – Kerr's milkvetch P
Species  Astragalus knightii Barneby – Knight's milkvetch P
Species  Astragalus lackschewitzii Lavin & H. Marriott – Lackschewitz's milkvetch P
Species  Astragalus lasioglottis Steven ex M. Bieb. P
Species  Astragalus laxmannii Jacq. – Laxmann's milkvetch P
Variety  Astragalus laxmannii Jacq. var. robustior (Hook.) Barneby & S.L. Welsh – prairie milkvetch P
Variety  Astragalus laxmannii Jacq. var. tananaicus (Hultén) Barneby & S.L. Welsh – standing milkvetch P
Species  Astragalus layneae Greene – widow's milkvetch P
Species  Astragalus leibergii M.E. Jones – Leiberg's milkvetch P
Species  Astragalus lemmonii A. Gray – Lemmon's milkvetch P
Species  Astragalus lentiformis A. Gray ex W.H. Brewer & S. Watson – lens pod milkvetch P
Species  Astragalus lentiginosus Douglas ex Hook. – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. albifolius M.E. Jones – northern freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. ambiguus Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. antonius Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. australis Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. borreganus M.E. Jones – Borrego milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. chartaceus M.E. Jones – broadleaf milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. coachellae Barneby ex Shreve & Wiggins – Coachella milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. diphysus (A. Gray) M.E. Jones – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. floribundus A. Gray – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. fremontii (A. Gray ex Torr.) S. Watson – Fremont's milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. higginsii S.L. Welsh & Thorne – Higgins' milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. idriensis M.E. Jones – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. ineptus (A. Gray) M.E. Jones – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. kennedyi (Rydb.) Barneby – Kennedy's milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. kernensis (Jeps.) Barneby – Kern milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. latus (M.E. Jones) M.E. Jones – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. lentiginosus – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. maricopae Barneby – Maricopa milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. micans Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. nigricalycis M.E. Jones – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. oropedii Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. palans (M.E. Jones) M.E. Jones – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. piscinensis Barneby – Fish Slough milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. pohlii S.L. Welsh & Barneby – Pohil's milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. salinus (Howell) Barneby – salty loco milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. scorpionis M.E. Jones – scorpion milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. semotus Jeps. – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. sesquimetralis (Rydb.) Barneby – Sodaville milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. sierrae M.E. Jones – Sierra milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. stramineus (Rydb.) Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. trumbullensis S.L. Welsh & N.D. Atwood – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. variabilis Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. vitreus Barneby – freckled milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. wilsonii (Greene) Barneby – Wilson's milkvetch P
Variety  Astragalus lentiginosus Douglas ex Hook. var. yuccanus M.E. Jones – yucca milkvetch P
Species  Astragalus leptaleus A. Gray – park milkvetch P
Species  Astragalus leptocarpus Torr. & A. Gray – rare loco milkvetch P
Species  Astragalus leucolobus S. Watson ex M.E. Jones – Bear Valley milkvetch P
Species  Astragalus limnocharis Barneby – Cedar Breaks milkvetch P
Variety  Astragalus limnocharis Barneby var. limnocharis – Cedar Breaks milkvetch P
Variety  Astragalus limnocharis Barneby var. montii (S.L. Welsh) Isely – Monti's milkvetch P
Species  Astragalus lindheimeri Engelm. ex A. Gray – Lindheimer's milkvetch P
Species  Astragalus linifolius Osterh. – Grand Junction milkvetch P
Species  Astragalus loanus Barneby – Glenwood milkvetch P
Species  Astragalus lonchocarpus Torr. – rushy milkvetch P
Species  Astragalus lotiflorus Hook. – lotus milkvetch P
Species  Astragalus lurorum Bornm. P
Species  Astragalus lutosus M.E. Jones – Dragon milkvetch P
Species  Astragalus lyallii A. Gray – Lyall's milkvetch P
Species  Astragalus macrodon (Hook. & Arn.) A. Gray – Salinas milkvetch P
Species  Astragalus magdalenae Greene – satiny milkvetch P
Variety  Astragalus magdalenae Greene var. niveus (Rydb.) Barneby [excluded] P
Variety  Astragalus magdalenae Greene var. peirsonii (Munz & McBurney) Barneby – Peirson's milkvetch P
Species  Astragalus malacoides Barneby – Kaiparowits milkvetch P
Species  Astragalus malacus A. Gray – shaggy milkvetch P
Species  Astragalus megacarpus (Nutt.) A. Gray – great bladdery milkvetch P
Species  Astragalus melilotoides Pall. P
Species  Astragalus michauxii (Kuntze) F.J. Herm. – sandhills milkvetch P
Species  Astragalus microcymbus Barneby – skiff milkvetch P
Species  Astragalus microcystis A. Gray – dwarf milkvetch P
Species  Astragalus micromerius Barneby – Chaco milkvetch P
Species  Astragalus miguelensis Greene – San Miguel milkvetch P
Species  Astragalus minthorniae (Rydb.) Jeps. – Minthorn's milkvetch P
Variety  Astragalus minthorniae (Rydb.) Jeps. var. minthorniae – Minthorn's milkvetch P
Variety  Astragalus minthorniae (Rydb.) Jeps. var. villosus Barneby – Minthorn's milkvetch P
Species  Astragalus misellus S. Watson – pauper milkvetch P
Variety  Astragalus misellus S. Watson var. misellus – pauper milkvetch P
Variety  Astragalus misellus S. Watson var. pauper Barneby – pauper milkvetch P
Species  Astragalus miser Douglas ex Hook. – timber milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. crispatus (M.E. Jones) Cronquist – timber milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. decumbens (Nutt. ex Torr. & A. Gray) Cronquist – prostrate milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. hylophilus (Rydb.) Barneby – woody milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. miser – timber milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. oblongifolius (Rydb.) Cronquist – timber milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. praeteritus Barneby – Yellowstone milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. serotinus (A. Gray ex Cooper) Barneby – timber milkvetch P
Variety  Astragalus miser Douglas ex Hook. var. tenuifolius (Nutt.) Barneby – timber milkvetch P
Species  Astragalus missouriensis Nutt. – Missouri milkvetch P
Variety  Astragalus missouriensis Nutt. var. amphibolus Barneby – Missouri milkvetch P
Variety  Astragalus missouriensis Nutt. var. humistratus Isely – Missouri milkvetch P
Variety  Astragalus missouriensis Nutt. var. mimetes Barneby – horn loco milkvetch P
Variety  Astragalus missouriensis Nutt. var. missouriensis – Missouri milkvetch P
Species  Astragalus moencoppensis M.E. Jones – Moenkopi milkvetch P
Species  Astragalus mohavensis S. Watson – Mojave milkvetch P
Variety  Astragalus mohavensis S. Watson var. hemigyrus (Clokey) Barneby – Mojave milkvetch P
Variety  Astragalus mohavensis S. Watson var. mohavensis – Mojave milkvetch P
Species  Astragalus mokiacensis A. Gray – Mokiak milkvetch P
Species  Astragalus mollissimus Torr. – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. bigelovii (A. Gray) Barneby ex B.L. Turner – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. coryi Tidestr. – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. earlei (Greene ex Rydb.) Tidestr. – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. marcidus (Greene ex Rydb.) Barneby ex B.L. Turner – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. matthewsii (S. Watson) Barneby – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. mogollonicus (Greene) Barneby – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. mollissimus – woolly locoweed P
Variety  Astragalus mollissimus Torr. var. thompsoniae (S. Watson) Barneby – woolly locoweed P
Species  Astragalus molybdenus Barneby – Leadville milkvetch P
Species  Astragalus mongholicus Bunge P
Species  Astragalus monoensis Barneby – Mono milkvetch P
Species  Astragalus monspessulanus L. P
Species  Astragalus monumentalis Barneby – Monument Valley milkvetch P
Variety  Astragalus monumentalis Barneby var. cottamii (S.L. Welsh) Isely – Cottam's milkvetch P
Variety  Astragalus monumentalis Barneby var. monumentalis – Monument Valley milkvetch P
Species  Astragalus mulfordiae M.E. Jones – Mulford's milkvetch P
Species  Astragalus musiniensis M.E. Jones – Ferron's milkvetch P
Species  Astragalus naturitensis Payson – Naturita milkvetch P
Species  Astragalus neglectus (Torr. & A. Gray) Sheldon – Cooper's milkvetch P
Species  Astragalus nelsonianus Barneby – Nelson's milkvetch P
Species  Astragalus neomexicanus Wooton & Standl. – New Mexico milkvetch P
Species  Astragalus nevinii A. Gray – San Clemente Island milkvetch P
Species  Astragalus newberryi A. Gray – Newberry's milkvetch P
Variety  Astragalus newberryi A. Gray var. aquarii Isely – Newberry's milkvetch P
Variety  Astragalus newberryi A. Gray var. blyae (Rose ex Rydb.) Barneby – Newberry's milkvetch P
Variety  Astragalus newberryi A. Gray var. castoreus M.E. Jones – Newberry's milkvetch P
Variety  Astragalus newberryi A. Gray var. escalantinus Barneby – Escalante milkvetch P
Variety  Astragalus newberryi A. Gray var. newberryi – Newberry's milkvetch P
Species  Astragalus nidularius Barneby – birdnest milkvetch P
Species  Astragalus norvegicus Weber P
Species  Astragalus nothoxys A. Gray – sheep milkvetch P
Species  Astragalus nudisiliquus A. Nelson – cobblestone milkvetch P
Species  Astragalus nutans M.E. Jones – Providence Mountain milkvetch P
Species  Astragalus nutriosensis S.C. Sand. – Apache milkvetch P
Species  Astragalus nuttallianus DC. – smallflowered milkvetch P
Variety  Astragalus nuttallianus DC. var. austrinus (Small) Barneby – smallflowered milkvetch P
Variety  Astragalus nuttallianus DC. var. cedrosensis M.E. Jones – turkeypeas P
Variety  Astragalus nuttallianus DC. var. imperfectus (Rydb.) Barneby – turkeypeas P
Variety  Astragalus nuttallianus DC. var. macilentus (Small) Barneby – turkeypeas P
Variety  Astragalus nuttallianus DC. var. micranthiformis Barneby – turkeypeas P
Variety  Astragalus nuttallianus DC. var. nuttallianus – smallflowered milkvetch P
Variety  Astragalus nuttallianus DC. var. trichocarpus Torr. & A. Gray – turkeypeas P
Variety  Astragalus nuttallianus DC. var. zapatanus Barneby – turkeypeas P
Species  Astragalus nuttallii (Torr. & A. Gray) J.T. Howell – Nuttall's milkvetch P
Variety  Astragalus nuttallii (Torr. & A. Gray) J.T. Howell var. nuttallii – Nuttall's milkvetch P
Variety  Astragalus nuttallii (Torr. & A. Gray) J.T. Howell var. virgatus (A. Gray ex W.H. Brewer & S. Watson) Barneby – Nuttall's milkvetch P
Species  Astragalus nutzotinensis Rouss. – Nutzotin milkvetch P
Species  Astragalus nyensis Barneby – Nye milkvetch P
Species  Astragalus obcordatus Elliott – Florida milkvetch P
Species  Astragalus obscurus S. Watson – arcane milkvetch P
Species  Astragalus oniciformis Barneby – Picabo milkvetch P
Species  Astragalus onobrychis L. P
Species  Astragalus oocalycis M.E. Jones – Arboles milkvetch P
Species  Astragalus oocarpus A. Gray – Descanso milkvetch P
Species  Astragalus oophorus S. Watson – egg milkvetch P
Variety  Astragalus oophorus S. Watson var. caulescens (M.E. Jones) M.E. Jones – egg milkvetch P
Variety  Astragalus oophorus S. Watson var. clokeyanus Barneby – egg milkvetch P
Variety  Astragalus oophorus S. Watson var. lavinii Barneby – Lavin's milkvetch P
Variety  Astragalus oophorus S. Watson var. lonchocalyx Barneby – egg milkvetch P
Variety  Astragalus oophorus S. Watson var. oophorus – egg milkvetch P
Species  Astragalus oreganus Nutt. – Oregon milkvetch P
Species  Astragalus osterhoutii M.E. Jones – Kremmling milkvetch P
Species  Astragalus oxyphysus A. Gray – Mt. Diablo milkvetch P
Species  Astragalus pachypus Greene – thickpod milkvetch P
Variety  Astragalus pachypus Greene var. jaegeri Munz & McBurney – Jaeger's milkvetch P
Variety  Astragalus pachypus Greene var. pachypus – thickpod milkvetch P
Species  Astragalus pallescens M. Bieb. P
Species  Astragalus palmeri A. Gray – Palmer's milkvetch P
Species  Astragalus panamintensis Sheldon – Panamint milkvetch P
Species  Astragalus pardalinus (Rydb.) Barneby – panther milkvetch P
Species  Astragalus parryi A. Gray – Parry's milkvetch P
Species  Astragalus pattersonii A. Gray ex Brandegee – Patterson's milkvetch P
Species  Astragalus pauperculus Greene – depauperate milkvetch P
Species  Astragalus paysonii (Rydb.) Barneby – Payson's milkvetch P
Species  Astragalus peckii Piper – Peck's milkvetch P
Species  Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don – narrowleaf milkvetch P
Species  Astragalus penduliflorus Lam. P
Species  Astragalus perianus Barneby – Rydberg's milkvetch P
Species  Astragalus phoenix Barneby – Ash Meadows milkvetch P
Species  Astragalus pictiformis Barneby – Guadalupe milkvetch P
Species  Astragalus pinonis M.E. Jones – pinyon milkvetch P
Variety  Astragalus pinonis M.E. Jones var. atwoodii (S.L. Welsh & Thorne) Barneby & Isely – Duane's milkvetch P
Variety  Astragalus pinonis M.E. Jones var. pinonis – pinyon milkvetch P
Species  Astragalus piscator Barneby & S.L. Welsh – Fisher milkvetch P
Species  Astragalus piutensis Barneby & Mabberley – Sevier milkvetch P
Species  Astragalus plattensis Nutt. – Platte River milkvetch P
Species  Astragalus platytropis A. Gray – broadkeel milkvetch P
Species  Astragalus pleianthus (Shinners) Isely – Edwards Plateau milkvetch P
Species  Astragalus polaris Benth. – polar milkvetch P
Species  Astragalus polybotrys Boiss. P
Species  Astragalus pomonensis M.E. Jones – Pomona milkvetch P
Species  Astragalus ponticus Pall. P
Species  Astragalus porrectus S. Watson – Lahontan milkvetch P
Species  Astragalus praelongus Sheldon – stinking milkvetch P
Variety  Astragalus praelongus Sheldon var. ellisiae (Rydb.) Barneby – Ellis' stinking milkvetch P
Variety  Astragalus praelongus Sheldon var. lonchopus Barneby – stinking milkvetch P
Variety  Astragalus praelongus Sheldon var. praelongus – stinking milkvetch P
Species  Astragalus preussii A. Gray – Preuss' milkvetch P
Variety  Astragalus preussii A. Gray var. cutleri Barneby – Cutler's milkvetch P
Variety  Astragalus preussii A. Gray var. laxiflorus A. Gray – Preuss' milkvetch P
Variety  Astragalus preussii A. Gray var. preussii – Preuss' milkvetch P
Species  Astragalus proimanthus Barneby – precocious milkvetch P
Species  Astragalus proximus (Rydb.) Wooton & Standl. – Aztec milkvetch P
Species  Astragalus pseudiodanthus Barneby – Tonopah milkvetch P
Species  Astragalus pterocarpus S. Watson – winged milkvetch P
Species  Astragalus pubentissimus Torr. & A. Gray – Green River milkvetch P
Species  Astragalus pulsiferae A. Gray – Ames' milkvetch P
Variety  Astragalus pulsiferae A. Gray var. coronensis S.L. Welsh, Ondricek & G. Clifton – Modoc Plateau milkvetch P
Variety  Astragalus pulsiferae A. Gray var. pulsiferae – Ames' milkvetch P
Variety  Astragalus pulsiferae A. Gray var. suksdorfii (Howell) Barneby – Suksdorf's milkvetch P
Species  Astragalus puniceus Osterh. – Trinidad milkvetch P
Variety  Astragalus puniceus Osterh. var. gertrudis (Greene) Barneby – Trinidad milkvetch P
Variety  Astragalus puniceus Osterh. var. puniceus – Trinidad milkvetch P
Species  Astragalus purshii Douglas ex Hook. – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. concinnus Barneby – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. glareosus (Douglas ex Hook.) Barneby – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. lagopinus (Rydb.) Barneby – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. lectulus (S. Watson) M.E. Jones – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. ophiogenes (Barneby) Barneby – Snake River milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. pumilio Barneby – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. purshii – woollypod milkvetch P
Variety  Astragalus purshii Douglas ex Hook. var. tinctus M.E. Jones – woollypod milkvetch P
Species  Astragalus pycnostachyus A. Gray – marsh milkvetch P
Variety  Astragalus pycnostachyus A. Gray var. lanosissimus (Rydb.) Munz & McBurney – marsh milkvetch P
Variety  Astragalus pycnostachyus A. Gray var. pycnostachyus – marsh milkvetch P
Species  Astragalus racemosus Pursh – cream milkvetch P
Variety  Astragalus racemosus Pursh var. longisetus M.E. Jones – cream milkvetch P
Variety  Astragalus racemosus Pursh var. racemosus – cream milkvetch P
Variety  Astragalus racemosus Pursh var. treleasei Ced. Porter – Trelease's milkvetch P
Species  Astragalus rafaelensis M.E. Jones – San Rafael milkvetch P
Species  Astragalus rattanii A. Gray – Rattan's milkvetch P
Variety  Astragalus rattanii A. Gray var. jepsonianus Barneby – Jepson's milkvetch P
Variety  Astragalus rattanii A. Gray var. rattanii – Rattan's milkvetch P
Species  Astragalus ravenii Barneby – Raven's milkvetch P
Species  Astragalus recurvus Greene – recurved milkvetch P
Species  Astragalus reflexus Torr. & A. Gray – drooping milkvetch P
Species  Astragalus remotus (M.E. Jones) Barneby – Spring Mountain milkvetch P
Species  Astragalus reventiformis (Rydb.) Barneby – Yakima milkvetch P
Species  Astragalus reventus A. Gray – Blue Mountain milkvetch P
Species  Astragalus riparius Barneby – woodyroot milkvetch P
Species  Astragalus ripleyi Barneby – Ripley's milkvetch P
Species  Astragalus robbinsii (Oakes) A. Gray – Robbins' milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. alpiniformis (Rydb.) Barneby ex C.L. Hitchc. – Robbins' milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. fernaldii (Rydb.) Barneby – Fernald's milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. harringtonii (Rydb.) Barneby – Harold's milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. jesupii Eggl. & Sheldon – Jesup's milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. minor (Hook.) Barneby – Robbins' milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. occidentalis S. Watson – western milkvetch P
Variety  Astragalus robbinsii (Oakes) A. Gray var. robbinsii – Robbins' milkvetch P
Species  Astragalus rusbyi Greene – Rusby's milkvetch P
Species  Astragalus sabulonum A. Gray – gravel milkvetch P
Species  Astragalus sabulosus M.E. Jones – Cisco milkvetch P
Variety  Astragalus sabulosus M.E. Jones var. sabulosus – Cisco milkvetch P
Variety  Astragalus sabulosus M.E. Jones var. vehiculus S.L. Welsh – Cisco milkvetch P
Species  Astragalus salmonis M.E. Jones – Trout Creek milkvetch P
Species  Astragalus saurinus Barneby – Dinosaur milkvetch P
Species  Astragalus scaphoides (M.E. Jones) Rydb. – Bitterroot milkvetch P
Species  Astragalus schmolliae Ced. Porter – Schmoll's milkvetch P
Species  Astragalus sclerocarpus A. Gray – woodypod milkvetch P
Species  Astragalus scopulorum Porter – Rocky Mountain milkvetch P
Species  Astragalus scorpioides Pourr. ex Willd. P
Species  Astragalus scorpiurus Bunge P
Species  Astragalus sepultipes (Barneby) Barneby – Lone Pine milkvetch P
Species  Astragalus serenoi (Kuntze) Sheldon – naked milkvetch P
Variety  Astragalus serenoi (Kuntze) Sheldon var. serenoi – naked milkvetch P
Variety  Astragalus serenoi (Kuntze) Sheldon var. shockleyi (M.E. Jones) Barneby – Shockley's milkvetch P
Variety  Astragalus serenoi (Kuntze) Sheldon var. sordescens Barneby – naked milkvetch P
Species  Astragalus sericoleucus A. Gray – silky milkvetch P
Species  Astragalus serpens M.E. Jones – plateau milkvetch P
Species  Astragalus sesameus L. P
Species  Astragalus sesquiflorus S. Watson – sandstone milkvetch P
Species  Astragalus sheldonii (Rydb.) Barneby – Sheldon's milkvetch P
Species  Astragalus shevockii Barneby – Little Kern milkvetch P
Species  Astragalus shortianus Nutt. – Short's milkvetch P
Species  Astragalus siliceus Barneby – Flint Mountain milkvetch P
Species  Astragalus siliquosus Boiss. P
Species  Astragalus simplicifolius (Nutt.) A. Gray – little bun milkvetch P
Species  Astragalus sinicus L. – Chinese milk-vetch P
Species  Astragalus sinuatus Piper – Whited's milkvetch P
Species  Astragalus solitarius M. Peck – solitary milkvetch P
Species  Astragalus sophoroides M.E. Jones – painted desert milkvetch P
Species  Astragalus soxmaniorum Lundell – Soxman's milkvetch P
Species  Astragalus spaldingii A. Gray – Spalding's milkvetch P
Species  Astragalus sparsiflorus A. Gray – Front Range milkvetch P
Variety  Astragalus sparsiflorus A. Gray var. majusculus A. Gray – Front Range milkvetch P
Variety  Astragalus sparsiflorus A. Gray var. sparsiflorus – Front Range milkvetch P
Species  Astragalus spatulatus Sheldon – tufted milkvetch P
Species  Astragalus speirocarpus A. Gray – threadstalk milkvetch P
Species  Astragalus stella Gouan P
Species  Astragalus stevenianus DC. P
Species  Astragalus straturensis M.E. Jones – Pine Valley milkvetch P
Species  Astragalus striatiflorus M.E. Jones – escarpment milkvetch P
Species  Astragalus subcinereus A. Gray – Silver's milkvetch P
Species  Astragalus subumbellatus Klotzsch P
Species  Astragalus subvestitus (Jeps.) Barneby – Kern County milkvetch P
Species  Astragalus succumbens Douglas ex Hook. – Columbia milkvetch P
Species  Astragalus sulcatus L. P
Species  Astragalus suprapilosus Gontsch. P
Species  Astragalus tegetarioides M.E. Jones – bastard milkvetch P
Species  Astragalus tenellus Pursh – looseflower milkvetch P
Species  Astragalus tener A. Gray – alkali milkvetch P
Variety  Astragalus tener A. Gray var. ferrisiae A. Liston – Ferris' milkvetch P
Variety  Astragalus tener A. Gray var. tener – alkali milkvetch P
Variety  Astragalus tener A. Gray var. titi (Eastw.) Barneby – coastal dunes milkvetch P
Species  Astragalus tennesseensis A. Gray ex Chapm. – Tennessee milkvetch P
Species  Astragalus tephrodes A. Gray – ashen milkvetch P
Variety  Astragalus tephrodes A. Gray var. brachylobus (A. Gray) Barneby – ashen milkvetch P
Variety  Astragalus tephrodes A. Gray var. chloridae (M.E. Jones) Barneby – ashen milkvetch P
Variety  Astragalus tephrodes A. Gray var. remulcus (A. Gray) Barneby – ashen milkvetch P
Variety  Astragalus tephrodes A. Gray var. tephrodes – ashen milkvetch P
Species  Astragalus tephrosioides Boiss. P
Species  Astragalus terminalis S. Watson – railhead milkvetch P
Species  Astragalus tetrapterus A. Gray – fourwing milkvetch P
Species  Astragalus thurberi A. Gray – Thurber's milkvetch P
Species  Astragalus tibetanus Benth. ex Bunge – Tibet milkvetch P
Species  Astragalus tidestromii (Rydb.) Clokey – Tidestrom's milkvetch P
Species  Astragalus tiehmii Barneby – Tiehm's milkvetch P
Species  Astragalus titanophilus Barneby – limestone milkvetch P
Species  Astragalus toanus M.E. Jones – Toano milkvetch P
Variety  Astragalus toanus M.E. Jones var. scidulus S.L. Welsh & N.D. Atwood – Toano milkvetch P
Variety  Astragalus toanus M.E. Jones var. toanus – Toano milkvetch P
Species  Astragalus toquimanus Barneby – Toquima milkvetch P
Species  Astragalus tortipes J.L. Anderson & J.M. Porter – sleeping Ute milkvetch P
Species  Astragalus traskiae Eastw. – Trask's milkvetch P
Species  Astragalus tricarinatus A. Gray – triplerib milkvetch P
Species  Astragalus trichopodus (Nutt.) A. Gray – Santa Barbara milkvetch P
Variety  Astragalus trichopodus (Nutt.) A. Gray var. lonchus (M.E. Jones) Barneby – Santa Barbara milkvetch P
Variety  Astragalus trichopodus (Nutt.) A. Gray var. phoxus (M.E. Jones) Barneby – Santa Barbara milkvetch P
Variety  Astragalus trichopodus (Nutt.) A. Gray var. trichopodus – Santa Barbara milkvetch P
Species  Astragalus tridactylicus A. Gray – foothill milkvetch P
Species  Astragalus trimestris L. P
Species  Astragalus troglodytus S. Watson – creeping milkvetch P
Species  Astragalus tweedyi Canby – Tweedy's milkvetch P
Species  Astragalus tyghensis M. Peck – Tygh Valley milkvetch P
Species  Astragalus umbellatus Bunge – tundra milkvetch P
Species  Astragalus umbraticus Sheldon – Bald Mountain milkvetch P
Species  Astragalus uncialis Barneby – currant milkvetch P
Species  Astragalus utahensis (Torr.) Torr. & A. Gray – Utah milkvetch P
Species  Astragalus utriger Pall. P
Species  Astragalus vaccarum A. Gray – Cow Spring milkvetch P
Species  Astragalus vaginatus Pall. P
Species  Astragalus vallaris M.E. Jones – Snake canyon milkvetch P
Species  Astragalus verus Olivier P
Species  Astragalus vesicarius L. P
Species  Astragalus vexilliflexus Sheldon – bentflower milkvetch P
Variety  Astragalus vexilliflexus Sheldon var. nubilus Barneby – White Clouds milkvetch P
Variety  Astragalus vexilliflexus Sheldon var. vexilliflexus – bentflower milkvetch P
Species  Astragalus villosus Michx. – bearded milkvetch P
Species  Astragalus wardii A. Gray – Ward's milkvetch P
Species  Astragalus waterfallii Barneby – Waterfall's milkvetch P
Species  Astragalus webberi A. Gray ex W.H. Brewer & S. Watson – Webber's milkvetch P
Species  Astragalus welshii Barneby – Loa milkvetch P
Species  Astragalus wetherillii M.E. Jones – Wetherill's milkvetch P
Species  Astragalus whitneyi A. Gray – balloonpod milkvetch P
Variety  Astragalus whitneyi A. Gray var. confusus Barneby – cone-like milkvetch P
Variety  Astragalus whitneyi A. Gray var. lenophyllus (Rydb.) Barneby – balloonpod milkvetch P
Variety  Astragalus whitneyi A. Gray var. siskiyouensis (Rydb.) Barneby – Siskiyou milkvetch P
Variety  Astragalus whitneyi A. Gray var. sonneanus (Greene) Jeps. – balloonpod milkvetch P
Variety  Astragalus whitneyi A. Gray var. whitneyi – balloonpod milkvetch P
Species  Astragalus williamsii Rydb. – Williams' milkvetch P
Species  Astragalus wingatanus S. Watson – Fort Wingate milkvetch P
Species  Astragalus wittmannii Barneby – Wittmann's milkvetch P
Species  Astragalus woodruffii M.E. Jones – Woodruff's milkvetch P
Species  Astragalus wootonii Sheldon – halfmoon milkvetch P
Species  Astragalus wrightii A. Gray – Wright's milkvetch P
Species  Astragalus xiphoides (Barneby) Barneby – gladiator milkvetch P
Species  Astragalus yoder-williamsii Barneby – Osgood Mountain milkvetch P
Species  Astragalus zionis M.E. Jones – Zion milkvetch P
Variety  Astragalus zionis M.E. Jones var. vigulus S.L. Welsh – Zion milkvetch P
Variety  Astragalus zionis M.E. Jones var. zionis – Zion milkvetch P

The report will display the kingdom and all descendants leading down to the name you choose.