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  GRIN Taxonomy for Plants
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Taxon: Linum lewisii Pursh

Genus: Linum
Family: Linaceae subfamily: Linoideae
Nomen number: 22342
Place of publication: Fl. Amer. sept. 1:210. 1813
Comment: for date of this publication see Taxon 57:305. 2008
Name verified on: 08-May-1992 by ARS Systematic Botanists. Last updated: 13-Dec-2012
Species priority site is: North Central Regional PI Station (NC7).
Accessions: 28 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

See also subordinate taxa:

Common names:

  • Lewis's flax   (Source: F NC Tex ) – English
  • prairie flax   (Source: Websters Dict ) – English
  • wild blue flax   (Source: Intermt F ) – English

Economic importance:

  • Gene sources: tertiary genetic relative of flax   (based on probable incompatibilities between flax and Linum lewisii fide Crop Sci 48:831. 2008)
  • Vertebrate poisons: mammals   (fide Kingsbury)

Distributional range:

      Native: (links to other web resources are provided for some distributions)
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Subarctic America: Canada - Northwest Territory [w.], Yukon Territory; United States - Alaska
    Eastern Canada: Canada - Ontario [n.], Quebec [w.]
    Western Canada: Canada - Alberta, British Columbia, Manitoba, Saskatchewan
    Northeastern U.S.A.: United States - West Virginia
    North-Central U.S.A.: United States - North Dakota, South Dakota [w.]
    Northwestern U.S.A.: United States - Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    South-Central U.S.A.: United States - New Mexico, Texas
    Southwestern U.S.A.: United States - Arizona, California [s.], Nevada, Utah
    Northern Mexico: Mexico - Baja Norte


  • Baldwin, B. G. et al., eds. The Jepson manual: vascular plants of California (on-line resource).
  • Cody, W. J. 1996. Flora of the Yukon Territory.
  • Cronquist, A. et al. 1972–. Intermountain flora.
  • Diggs, G. M., Jr. et al. 1999. Shinner's and Mahler's illustrated flora of North Central Texas. [mentions].
  • Englert, J. M. et al. 1999–. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators.
  • Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California.
  • Hitchcock, C. L. et al. 1955–1969. Vascular plants of the Pacific Northwest. [= L. perenne subsp. lewisii (Pursh) Eaton & Wright].
  • Jhala, A. J. et al. 2008. Potential hybridization of flax with weedy and wild relatives: an avenue for movement of engineered genes? Crop Sci. (Madison) 48:825–840. [this review cited Linum lewisii Pursh as a n=9 species; this review commented "karyotype plays an important role in interspecific hybridization in Linum species", since flax is n=15 then it "seems less likely to outcross with cultivated flax"].
  • Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
  • Liberty Hyde Bailey Hortorium. 1976. Hortus third. [= L. perenne subsp. lewisii (Pursh) Hultén].
  • Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico.
  • McDill, J. et al. 2009. The phylogeny of Linum and Linaceae subfamily Linoideae, with implications for their systematics, biogeography, and evolution of heterostyly. Syst. Bot. 34:386–405.
  • McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. [= L. perenne var. lewisii (Pursh) Eaton & Wright].
  • Pendleton, R. L. et al. 2008. Origin of the flax cultivar 'Appar' and its position within the Linum perenne complex. Int. J. Pl. Sci. 169:445–453. [places with L. perenne, and not L. lewisii].
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Rogers, C. M. 1984. Linaceae. In: Britton, N. L. et al., eds. ser. 1; C. T. Rogerson, ed. ser. 2, North American flora ser. 1, 1905-1957; ser. 2, 1954-1972 ser. 2, 12:8.
  • Shreve, F. & I. L. Wiggins. 1964. Vegetation and flora of the Sonoran desert.
  • Strausbaugh, T. D. & E. L. Core. 1978. Flora of West Virginia, ed. 2.
  • Welsh, S. L. et al. 1993. A Utah flora. [= L. perenne subsp. lewisii (Pursh) Hultén].
  • Wiggins, I. L. 1980. Flora of Baja California.
  • Yurkevich, O. Y. et al. 2013. Investigation of genome polymorphism and seed coat anatomy of species of section Adenolinum from the genus Linum. Genet. Resources Crop Evol. 60:661–676. [this study revealed that almost all species in section Adenolinum share similar karyotype and rRNA gene location; analysis of genetic similarity based on RAPD data showed Linum lewisii apart from Eurasian - Central Asian species].
  • Webster's third new international dictionary.

Check other web resources for Linum lewisii Pursh:


  • Check for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (05 October 2015)

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