Scientific or common name:

Thalictrum occidentale A. Gray var. megacarpum (Torr.) H. St. John

---

RANUNCULACEAE - Buttercup family (Angiosperms - Flowering plants)

---

Taxon Page:

Name: Thalictrum occidentale A. Gray var. megacarpum (Torr.) H. St. John
Rank: variety
See: ► Thalictrum occidentale A. Gray var. occidentale

Images of Thalictrum occidentale var. megacarpum

---

Common names

U.S. name: Western meadow-rue
English name: western meadow-rue

---

Grown habit: Forb/herb
Duration: Perennial
 

Synonyms:
= Thalictrum occidentale A. Gray var. occidentale
= Thalictrum breitungii B. Boivin
= Thalictrum occidentale A. Gray var. palousense H. St. John

---

TAXONOMY

Kingdom: Plantae
Subkingdom: Tracheobionta
Superdivision: Spermatophyta
Division: Magnoliophyta
Class: Magnoliopsida
Subclass: Magnoliidae
Order: Ranunculales
Family: Ranunculaceae
Genus: Thalictrum
Species:

1) Thalictrum alpinum L. 2) Thalictrum alpinum L. var. hebetum B. Boivin 3) Thalictrum aquilegifolium L. 4) Thalictrum arkansanum B. Boivin 5) Thalictrum breitungii B. Boivin 6) Thalictrum caulophylloides Small 7) Thalictrum clavatum DC. 8) Thalictrum collinum Wallr. 9) Thalictrum confine Fernald 10) Thalictrum confine Fernald var. columbianum (Rydb.) B. Boivin 11) Thalictrum confine Fernald var. greeneanum B. Boivin 12) Thalictrum cooleyi H.E. Ahles 13) Thalictrum coriaceum (Britton) Small 14) Thalictrum dasycarpum Fisch. & Avé-Lall. 15) Thalictrum dasycarpum Fisch. & Avé-Lall. var. hypoglaucum (Rydb.) B. Boivin 16) Thalictrum debile Buckley 17) Thalictrum dioicum L. 18) Thalictrum fendleri Engelm. ex A. Gray 19) Thalictrum fendleri Engelm. ex A. Gray var. fendleri 20) Thalictrum fendleri Engelm. ex A. Gray var. platycarpum Trel. 21) Thalictrum fendleri Engelm. ex A. Gray var. polycarpum Torr. 22) Thalictrum fendleri Engelm. ex A. Gray var. wrightii (A. Gray) Trel. 23) Thalictrum heliophilum Wilken & DeMott 24) Thalictrum hultenii B. Boivin 25) Thalictrum hypoglaucum Rydb. 26) Thalictrum macrostylum Small & A. Heller 27) Thalictrum minus L. 28) Thalictrum minus L. ssp. kemense (Fr.) Hultén 29) Thalictrum minus L. ssp. minus 30) Thalictrum mirabile Small 31) Thalictrum nigromontanum B. Boivin 32) Thalictrum occidentale A. Gray 33) Thalictrum occidentale A. Gray var. columbianum (Rydb.) M. Peck 34) Thalictrum occidentale A. Gray var. macounii B. Boivin 35) Thalictrum occidentale A. Gray var. megacarpum (Torr.) H. St. John 36) Thalictrum occidentale A. Gray var. occidentale 37) Thalictrum occidentale A. Gray var. palousense H. St. John 38) Thalictrum perelegans Greene 39) Thalictrum polycarpum (Torr.) S. Watson 40) Thalictrum polygamum Muhl. ex Spreng. 41) Thalictrum polygamum Muhl. ex Spreng. var. hebecarpum Fernald 42) Thalictrum polygamum Muhl. ex Spreng. var. intermedium B. Boivin 43) Thalictrum pubescens Pursh 44) Thalictrum pubescens Pursh var. hebecarpum (Fernald) B. Boivin 45) Thalictrum pubescens Pursh var. hepaticum (Greene) Keener 46) Thalictrum revolutum DC. 47) Thalictrum revolutum DC. var. glandulosior B. Boivin 48) Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. 49) Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. ssp. richardsonii (A. Gray) Cody 50) Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. nevadense B. Boivin 51) Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. richardsonii (A. Gray) B. Boivin 52) Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. saximontanum B. Boivin 53) Thalictrum squarrosum Stephan ex Willd. 54) Thalictrum steeleanum B. Boivin 55) Thalictrum subrotundum B. Boivin 56) Thalictrum texanum (A. Gray) Small 57) Thalictrum thalictroides (L.) Eames & B. Boivin 58) Thalictrum turneri B. Boivin 59) Thalictrum venulosum Trel. 60) Thalictrum venulosum Trel. var. confine (Fernald) B. Boivin 61) Thalictrum venulosum Trel. var. fissum (Greene) B. Boivin 62) Thalictrum venulosum Trel. var. lunellii (Greene) B. Boivin 63) Thalictrum venulosum Trel. var. turneri (B. Boivin) B. Boivin

---

Page counter: 151 ( AVG: 223.56 / 88.265 )

---

Search for more information on the Web

---

Distribution in USA and Canada (*)
USA (AK, CA, CO, ID, MT, NV, OR, WA, WY), CAN (AB, BC, SK, YT)


Map for Thalictrum occidentale A. Gray var. megacarpum (Torr.) H. St. John
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA

---

Kingdoms
(Select a kingdom and click on Ok)

1) Fungi 2) Plantae

---

Divisions
(Select a division and click on Ok)

1) Anthocerotophyta (Hornworts) 2) Bryophyta (Mosses) 3) Chlorophyta (Green algae) 4) Coniferophyta (Conifers) 5) Cycadophyta (Cycads) 6) Equisetophyta (Horsetails) 7) Ginkgophyta (Ginkgo) 8) Gnetophyta (Gnetophytes) 9) Hepaticophyta (Liverworts) 10) Lycopodiophyta (Lycopods) 11) Magnoliophyta (Flowering plants) 12) Psilophyta (Whisk-ferns) 13) Pteridophyta (Ferns)

---

Classes
(Select a class and click on Ok)

1) Liliopsida (Monocotyledons) 2) Magnoliopsida (Dicotyledons)

---

Families
(Select a family and click on Ok)

1) Acanthaceae (Acanthus family) 2) Aceraceae (Maple family) 3) Achatocarpaceae (Achatocarpus family) 4) Actinidiaceae (Chinese Gooseberry family) 5) Adoxaceae (Moschatel family) 6) Aizoaceae (Fig-marigold family) 7) Amaranthaceae (Amaranth family) 8) Anacardiaceae (Sumac family) 9) Annonaceae (Custard-apple family) 10) Apiaceae (Carrot family) 11) Apocynaceae (Dogbane family) 12) Aquifoliaceae (Holly family) 13) Araliaceae (Ginseng family) 14) Aristolochiaceae (Birthwort family) 15) Asclepiadaceae (Milkweed family) 16) Asteraceae (Aster family) 17) Balanophoraceae (Balanophora family) 18) Balsaminaceae (Touch-me-not family) 19) Basellaceae (Basella family) 20) Bataceae (Saltwort family) 21) Begoniaceae (Begonia family) 22) Berberidaceae (Barberry family) 23) Betulaceae (Birch family) 24) Bignoniaceae (Trumpet-creeper family) 25) Bixaceae (Lipstick-tree family) 26) Bombacaceae (Kapok-tree family) 27) Boraginaceae (Borage family) 28) Brassicaceae (Mustard family) 29) Brunelliaceae (Brunellia family) 30) Buddlejaceae (Butterfly-bush family) 31) Burseraceae (Frankincense family) 32) Buxaceae (Boxwood family) 33) Cabombaceae (Water-shield family) 34) Cactaceae (Cactus family) 35) Calycanthaceae (Strawberry-shrub family) 36) Calyceraceae (Calycera family) 37) Campanulaceae (Bellflower family) 38) Canellaceae (Canella family) 39) Cannabaceae (Hemp family) 40) Capparaceae (Caper family) 41) Caprifoliaceae (Honeysuckle family) 42) Caricaceae (Papaya family) 43) Caryocaraceae (Souari family) 44) Caryophyllaceae (Pink family) 45) Casuarinaceae (She-oak family) 46) Cecropiaceae (Cecropia family) 47) Celastraceae (Bittersweet family) 48) Ceratophyllaceae (Hornwort family) 49) Cercidiphyllaceae (Katsura-tree family) 50) Chenopodiaceae (Goosefoot family) 51) Chloranthaceae (Chloranthus family) 52) Chrysobalanaceae 53) Cistaceae (Rock-rose family) 54) Cleomaceae (Spider flowers family) 55) Clethraceae (Clethra family) 56) Clusiaceae (Mangosteen family) 57) Combretaceae (Indian Almond family) 58) Connaraceae (Cannarus family) 59) Convolvulaceae (Morning-glory family) 60) Cornaceae (Dogwood family) 61) Corynocarpaceae (Karaka family) 62) Crassulaceae (Stonecrop family) 63) Crossosomataceae (Crossosoma family) 64) Cucurbitaceae (Cucumber family) 65) Cunoniaceae (Cunonia family) 66) Cuscutaceae (Dodder family) 67) Cyrillaceae (Cyrilla family) 68) Datiscaceae (Datisca family) 69) Diapensiaceae (Diapensia family) 70) Dilleniaceae (Dillenia family) 71) Dipsacaceae (Teasel family) 72) Dipterocarpaceae (Meranti family) 73) Droseraceae (Sundew family) 74) Ebenaceae (Ebony family) 75) Elaeagnaceae (Oleaster family) 76) Elaeocarpaceae (Elaeocarpus family) 77) Elatinaceae (Waterwort family) 78) Empetraceae (Crowberry family) 79) Epacridaceae (Epacris family) 80) Eremolepidaceae (Catkin-mistletoe family) 81) Ericaceae (Heath family) 82) Erythroxylaceae (Coca family) 83) Euphorbiaceae (Spurge family) 84) Fabaceae (Pea family) 85) Fagaceae (Beech family) 86) Flacourtiaceae (Flacourtia family) 87) Fouquieriaceae (Ocotillo family) 88) Frankeniaceae (Frankenia family) 89) Fumariaceae (Fumitory family) 90) Garryaceae (Silk Tassel family) 91) Gentianaceae (Gentian family) 92) Geraniaceae (Geranium family) 93) Gesneriaceae (Gesneriad family) 94) Goodeniaceae (Goodenia family) 95) Greyiaceae (Greyia family) 96) Grossulariaceae (Currant family) 97) Gunneraceae (Gunnera family) 98) Haloragaceae (Water Milfoil family) 99) Hamamelidaceae (Witch-hazel family) 100) Hernandiaceae (Hernandia family) 101) Hippocastanaceae (Horse-chestnut family) 102) Hippocrateaceae (Hippocratea family) 103) Hydrangeaceae (Hydrangea family) 104) Hydrophyllaceae (Waterleaf family) 105) Hypericaceae (St John's Wort family) 106) Icacinaceae (Icacina family) 107) Illiciaceae (Star-anise family) 108) Juglandaceae (Walnut family) 109) Krameriaceae (Krameria family) 110) Lamiaceae (Mint family) 111) Lardizabalaceae (Lardizabala family) 112) Lauraceae (Laurel family) 113) Lecythidaceae (Brazil-nut family) 114) Leitneriaceae (Corkwood family) 115) Lennoaceae (Lennoa family) 116) Lentibulariaceae (Bladderwort family) 117) Limnanthaceae (Meadow-Foam family) 118) Linaceae (Flax family) 119) Linderniaceae (False pimpernel family) 120) Loasaceae (Loasa family) 121) Loganiaceae (Logania family) 122) Loranthaceae (Showy Mistletoe family) 123) Lythraceae (Loosestrife family) 124) Magnoliaceae (Magnolia family) 125) Malpighiaceae (Barbados Cherry family) 126) Malvaceae (Mallow family) 127) Marcgraviaceae (Shingle Plant family) 128) Melastomataceae (Melastome family) 129) Meliaceae (Mahogany family) 130) Melianthaceae (Melianthus family) 131) Menispermaceae (Moonseed family) 132) Menyanthaceae (Buckbean family) 133) Molluginaceae (Carpet-weed family) 134) Monimiaceae (Monimia family) 135) Monotropaceae (Indian Pipe family) 136) Montiaceae (Miner's lettuce family) 137) Moraceae (Mulberry family) 138) Moringaceae (Horse-radish tree family) 139) Myoporaceae (Myoporum family) 140) Myricaceae (Bayberry family) 141) Myristicaceae (Nutmeg family) 142) Myrsinaceae (Myrsine family) 143) Myrtaceae (Myrtle family) 144) Nelumbonaceae (Lotus-lily family) 145) Nepenthaceae (East Indian Pitcher-plant f) 146) Nitrariaceae (Salt bush family) 147) Nyctaginaceae (Four o'clock family) 148) Nymphaeaceae (Water-lily family) 149) Ochnaceae (Ochna family) 150) Olacaceae 151) Oleaceae (Olive family) 152) Onagraceae (Evening Primrose family) 153) Orobanchaceae (Broom-rape family) 154) Oxalidaceae (Wood-Sorrel family) 155) Paeoniaceae (Peony family) 156) Papaveraceae (Poppy family) 157) Passifloraceae (Passion-flower family) 158) Paulowniaceae (Princesstree family) 159) Pedaliaceae (Sesame family) 160) Phrymaceae (Lopseed family) 161) Phyllanthaceae 162) Phytolaccaceae (Pokeweed family) 163) Piperaceae (Pepper family) 164) Pittosporaceae (Pittosporum family) 165) Plantaginaceae (Plantain family) 166) Platanaceae (Plane-tree family) 167) Plumbaginaceae (Leadwort family) 168) Podostemaceae (River-weed family) 169) Polemoniaceae (Phlox family) 170) Polygalaceae (Milkwort family) 171) Polygonaceae (Buckwheat family) 172) Portulacaceae (Purslane family) 173) Primulaceae (Primrose family) 174) Proteaceae (Protea family) 175) Pyrolaceae (Shinleaf family) 176) Rafflesiaceae (Rafflesia family) 177) Ranunculaceae (Buttercup family) 178) Resedaceae (Mignonette family) 179) Rhamnaceae (Buckthorn family) 180) Rhizophoraceae (Red Mangrove family) 181) Rosaceae (Rose family) 182) Rubiaceae (Madder family) 183) Rutaceae (Rue family) 184) Sabiaceae (Sabia family) 185) Salicaceae (Willow family) 186) Santalaceae (Sandalwood family) 187) Sapindaceae (Soapberry family) 188) Sapotaceae (Sapodilla family) 189) Sarraceniaceae (Pitcher-plant family) 190) Saururaceae 191) Saxifragaceae (Saxifrage family) 192) Schisandraceae (Schisandra family) 193) Scrophulariaceae (Figwort family) 194) Simaroubaceae (Quassia family) 195) Simmondsiaceae (Jojoba family) 196) Solanaceae (Potato family) 197) Sonneratiaceae 198) Sphenocleaceae (Spenoclea family) 199) Stackhousiaceae (Stackhousia family) 200) Staphyleaceae (Bladdernut family) 201) Sterculiaceae 202) Styracaceae (Storax family) 203) Surianaceae (Suriana family) 204) Symplocaceae (Sweetleaf family) 205) Tamaricaceae (Tamarix family) 206) Theaceae (Tea family) 207) Theophrastaceae (Theophrasta family) 208) Thymelaeaceae (Mezereum family) 209) Tiliaceae (Linden family) 210) Tropaeolaceae (Nasturtium family) 211) Turneraceae (Turnera family) 212) Ulmaceae (Elm family) 213) Urticaceae (Nettle family) 214) Valerianaceae (Valerian family) 215) Verbenaceae (Verbena family) 216) Violaceae (Violet family) 217) Viscaceae (Christmas Mistletoe family) 218) Vitaceae (Grape family) 219) Winteraceae (Wintera family) 220) Zygophyllaceae (Creosote-bush family)

---

Genera (Ranunculaceae)
(Select a genus and click on Ok)

1) Aconitum (monkshood) 2) Actaea (baneberry) 3) Adonis 4) Anemonastrum (anemone) 5) Anemone 6) Anemonella (meadow-rue) 7) Anemonidium (anemone) 8) Anemonoides (anemone) 9) Aquilegia (columbine) 10) Atragene (leather flower) 11) Batrachium (buttercup) 12) Beckwithia (buttercup) 13) Caltha (marsh marigold) 14) Ceratocephala (curveseed butterwort) 15) Chrysocyathus 16) Cimicifuga (baneberry) 17) Clematis (leather flower) 18) Consolida 19) Coptidium (buttercup) 20) Coptis (goldthread) 21) Coriflora (leather flower) 22) Cyrtorhyncha (buttercup) 23) Delphinium (larkspur) 24) Enemion (false rue anemone) 25) Eranthis 26) Halerpestes (buttercup) 27) Hecatonia (buttercup) 28) Helleborus (hellebore) 29) Hepatica 30) Hydrastis 31) Isopyrum (false rue anemone) 32) Jurtsevia (anemone) 33) Kumlienia (false buttercup) 34) Myosurus (mousetail) 35) Nigella 36) Oxygraphis (buttercup) 37) Psychrophila (marsh marigold) 38) Pulsatilla (pasqueflower) 39) Ranunculus (buttercup) 40) Syndesmon (meadow-rue) 41) Thacla (marsh marigold) 42) Thalictrum (meadow-rue) 43) Trautvetteria (bugbane) 44) Trollius (globeflower) 45) Viorna (leather flower) 46) Viticella (leather flower) 47) Xanthorhiza (yellowroot)

---

Common names (Thalictrum)
(Select a common name and click on Ok)

1) (no name) 2) Alpine meadow-rue (Thalictrum alpinum) 3) Arkansas meadow-rue (Thalictrum arkansanum) 4) Black Hills meadow-rue (Thalictrum nigromontanum) 5) Cathedral Bluff meadow-rue (Thalictrum heliophilum) 6) Columbine meadow-rue (Thalictrum aquilegifolium) 7) Cooley's meadow-rue (Thalictrum cooleyi) 8) Early meadow-rue (Thalictrum dioicum) 9) Fendler's meadow-rue (Thalictrum fendleri) 10) Fewflower meadow-rue (Thalictrum sparsiflorum) 11) Houston meadow-rue (Thalictrum texanum) 12) Hulten's meadow-rue (Thalictrum hultenii) 13) King of the meadow (Thalictrum pubescens) 14) Little mountain meadow-rue (Thalictrum mirabile) 15) Maid of the mist (Thalictrum coriaceum) 16) Mountain meadow-rue (Thalictrum clavatum) 17) Piedmont meadow-rue (Thalictrum macrostylum) 18) Purple meadow-rue (Thalictrum dasycarpum) 19) Richarson's meadow-rue (Thalictrum sparsiflorum var. richardsonii) 20) Rue anemone (Thalictrum thalictroides) 21) Southern meadow-rue (Thalictrum debile) 22) Veiny meadow-rue (Thalictrum venulosum) 23) Waxyleaf meadow-rue (Thalictrum revolutum) 24) Western meadow-rue (Thalictrum occidentale) 25) Wright's meadow-rue (Thalictrum fendleri var. wrightii)

---

More species:
1) Thalictrum occidentale A. Gray var. palousense H. St. John [157]
2) Thalictrum perelegans Greene [150]
3) Thalictrum polycarpum (Torr.) S. Watson [139]
4) Thalictrum polygamum Muhl. ex Spreng. var. hebecarpum Fernald [153]
5) Thalictrum pubescens Pursh [335]
6) Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. nevadense B. Boivin [133]
7) Thamnium alleghaniense (Müll. Hal.) A. Jaeger [111]
8) Thaspium aureum (L.) Nutt. var. trifoliatum (L.) J.M. Coult. & Rose [160]
9) Thea viridis L. [269]
10) Thelidium mesotropum (Nyl.) A.L. Sm. [112]

5-May-2024 - Week-18

---