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Western Needlegrass

Stipa occidentalis Thurb. ex S. Watson

Scientific Names

Preferred Names

Stipa occidentalis Thurb. ex S. Watson
Species recognized by Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Achnatherum occidentale
Species recognized by The US National Vegetation Classification USNVC
Achnatherum occidentale (Thurb.) Barkworth
Recognized by USDA Plants data
Achnatherum occidentale (Thurb.) Barkworth subsp. californicum (Merr. & Burtt Davy) Barkworth
Recognized by USDA Plants data
Achnatherum occidentale (Thurb.) Barkworth subsp. pubescens (Vasey) Barkworth
Recognized by USDA Plants data
Stipa occidentalis
Species recognized by Delete- old US Species List, Barcode of Life Data Systems, and Canada Species List
Stipa occidentalis
Recognized by CalPhotos in DwC-A
Stipa occidentalis Thurb. ex S. Watson
Species recognized by GBIF classification
Achnatherum occidentale
Species recognized by Wikimedia Commons
Stipa californica
Species recognized by United States Species List
Stipa californica Merr. & Burtt Davy
Recognized by NMNH type specimens
Stipa columbiana
Species recognized by United States Species List
Stipa columbiana Macoun
Recognized by NMNH type specimens
Stipa elmeri
Species recognized by United States Species List
Stipa nelsonii var. longiaristata Barkworth & J. Maze
Recognized by NMNH type specimens
Stipa occidentalis
Species recognized by United States Species List
Stipa occidentalis Thurb. ex S. Watson
Recognized by NMNH type specimens
Stipa stricta Lam.
Recognized by NMNH type specimens
Stipa stricta Vasey
Recognized by NMNH type specimens
Stipa stricta var. sparsiflora Vasey
Recognized by NMNH type specimens
Stipa viridula var. minor Vasey
Recognized by NMNH type specimens
Stipa viridula var. pubescens Vasey
Recognized by NMNH type specimens

Alternative Names

Achnatherum nelsonii subsp. longiaristatum (Barkworth & J. R. Maze) Barkworth
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Achnatherum occidentale (Thurb. ex S. Watson) Barkworth
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Achnatherum occidentale subsp. californicum (Merr. & Burtt Davy) Barkworth
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Achnatherum occidentale subsp. pubescens (Vasey) Barkworth
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa californica Merr. & Burtt Davy
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa columbiana Macoun
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa elmeri Piper & Brodie
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa minor (Vasey) Scribn.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa nelsonii var. longiaristata Barkworth & J. R. Maze
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa occidentalis var. californica (Merr. & Burtt Davy) C. L. Hitchc.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa occidentalis var. minor (Vasey) C. L. Hitchc.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa occidentalis var. montana Merr. & Burtt Davy
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa occidentalis var. pubescens (Vasey) J. R. Maze, Roy L. Taylor & MacBryde
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa oregonensis Scribn.
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa stricta Vasey
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa stricta var. sparsiflora Vasey
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa viridula var. minor Vasey
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Stipa viridula var. pubescens Vasey
Not accepted according to Dynamic Hierarchy Version 2 1
Reference taxon from World Checklist of Selected Plant Families in Species 2000 & ITIS Catalogue of Life
Achnatherum occidentale ssp. occidentale
Doubtful according to GBIF classification

Common Names

English

western needlegrass preferred
Recognized by USDA Plants data
California needlegrass
prefer
Recognized by USDA Plants data
pubescent western needlegrass
prefer
Recognized by USDA Plants data

Curated hierarchies for Stipa occidentalis Thurb. ex S. Watson

Dynamic Hierarchy Version 2 1

Life
Cellular Organisms
Eukaryota
Archaeplastida
Chloroplastida
Streptophyta
Embryophytes
Tracheophyta
Spermatophytes
Angiosperms
Monocots
Commelinids
Poales
Poaceae
Stipa
Stipa occidentalis Thurb. ex S. Watson (this page)
Stipa adoxa Klokov & Osychnyuk
Stipa aktauensis Roshev.
Stipa alaica Pazij
Stipa albasiensis L. Q. Zhao & K. Guo
Stipa aliena Keng
Stipa ambigua Speg.
Stipa annua Mez
Stipa antiatlantica (Barreña, D. Rivera, Alcaraz & Obón)
Stipa arabica Trin. & Rupr.
Stipa araxensis Grossh.
Stipa arida M. E. Jones
Stipa asperella Klokov & Osychnyuk
Stipa atlantica P. A. Smirn.
Stipa austroitalica Martinovský
Stipa austromongolica M. Nobis
Stipa badachschanica Roshev.
Stipa baicalensis Roshev.
Stipa balansae H. Scholz
Stipa barrancaensis F. A. Roig
Stipa bhutanica Noltie
Stipa bomanii Hauman
Stipa brachyptera Klokov
Stipa bracteata Swallen
Stipa breviflora Griseb.
Stipa breviseta Caro & E. A. Sánchez
Stipa capillacea Keng
Stipa castellanosii F. A. Roig
Stipa conferta Poir.
Stipa consanguinea Trin. & Rupr.
Stipa constricta Hitchc.
Stipa coronata Thurb.
Stipa cretacea P. A. Smirn.
Stipa curvifolia Swallen
Stipa czerepanovii Kotukhov
Stipa dasyvaginata Martinovský
Stipa dickorei M. Nobis
Stipa durifolia Parodi ex Torres
Stipa editorum E. Fourn.
Stipa ehrenbergiana Trin. & Rupr.
Stipa gaubae Bor
Stipa gigantea Link
Stipa gnezdilloi Pazij
Stipa gracilis Roshev.
Stipa haussknechtii Boiss.
Stipa himalaica Roshev.
Stipa hoggarensis Chrtek & Martinovský
Stipa hookeri Stapf
Stipa hypsophila Speg.
Stipa iranica Freitag
Stipa keniensis (Pilg.) Freitag
Stipa kirghisorum P. A. Smirn.
Stipa korshinskyi Roshev.
Stipa kotuchovii M. Nobis
Stipa krylovii Roshev.
Stipa latiglumis Swallen
Stipa leptostachya Griseb.
Stipa lettermanii Vasey
Stipa lingua Junge
Stipa magnifica Junge
Stipa majalis Klokov
Stipa manrakica Kotukhov
Stipa martinovskyi Klokov
Stipa mongolorum Tzvelev
Stipa munroana Bor
Stipa neomexicana (Thurb.) Scribn.
Stipa novakii Martinovský
Stipa obtusa (Nees & Meyen) Hitchc.
Stipa offneri Breistr.
Stipa okmirii A. V. Dengubenko
Stipa orientalis Trin.
Stipa pappiformis Keng
Stipa pavlovii Kotukhov
Stipa penicillata Hand.-Mazz.
Stipa pennata L.
Stipa petriei Buchanan
Stipa pinetorum M. E. Jones
Stipa platypoda Bor
Stipa plumosa Trin.
Stipa pogonathera É. Desv.
Stipa pontica P. A. Smirn.
Stipa przewalskyi Roshev.
Stipa psylantha Speg.
Stipa pulcherrima K. Koch
Stipa pungens Nees & Meyen
Stipa rechingeri Martinovský
Stipa regeliana Hack.
Stipa richardsonii Link
Stipa robusta (Vasey) Scribn.
Stipa rubens P. A. Smirn.
Stipa scabrifolia Torres
Stipa scirpea Speg.
Stipa sicula Moraldo, la Valva, Ricciardi & Caputo
Stipa spartea Trin.
Stipa splendens Trin.
Stipa stillmanii Bol.
Stipa subaristata (Matthei) Caro & E. A. Sánchez
Stipa tenacissima L.
Stipa tianschanica Roshev.
Stipa transcarpatica Klokov
Stipa × kamelinii Kotukhov
109 additional siblings truncated for brevity.
See the resource file for a full list.
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