Taxon: Thuja occidentalis L.

Genus: Thuja
Family: Cupressaceae
Nomen number: 36584
Place of publication: Sp. pl. 2:1002. 1753
Link to protologue:
Name Verified on: 09-Jul-2007 by ARS Systematic Botanists. Last Changed: 11-Jul-2007
Species priority site is: National Arboretum (NA)
Accessions: 8 in National Plant Germplasm System (GoogleMap)

Common names:

Economic Importance:

  • Environmental: ornamental (fide Dict Gard; F NAmer)
  • Materials: essential oils (fide HerbSpices)
  • Materials: wood (fide AH 519)
  • Medicines: folklore (fide CRC MedHerbs ed2; Herbs Commerce ed2)

Distributional Range:


  • Northern America

    • Eastern Canada: Canada New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec
    • North-Central U.S.A.: United States Illinois, Minnesota, Wisconsin
    • Northeastern U.S.A.: United States Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New York, Ohio, Pennsylvania, Vermont, West Virginia
    • Southeastern U.S.A.: United States Kentucky, Maryland, North Carolina, Tennessee, Virginia
    • Western Canada: Canada Manitoba

  • Cultivated

  • Asia-Temperate

    • China: China
    • Eastern Asia: Korea
  • Europe

    • Europe
    • Eastern Europe: Russian Federation-European part European part


  • Aldén, B., S. Ryman, & M. Hjertson Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource on 2012 (Kulturvaxtdatabas)
  • Craker, L. E. & J. E. Simon, eds. Herbs, spices, and medicinal plants, 2 vols. (HerbSpices)
  • Duke, J. A. et al. CRC Handbook of medicinal herbs. 2002 (CRC MedHerbs ed2)
  • Englert, J. M. et al. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators. 1999- (NRCS Cons Pl Mat)
  • Farjon, A. A monograph of Cupressaceae and Sciadopitys. 2005 (Monog Cupressaceae) 149-150.
  • FNA Editorial Committee Flora of North America. (F NAmer) 2:410.
  • Food and Agriculture Organization of the United Nations (FAO) 2010. Ecocrop (on-line resource). (Ecocrop)
  • Fowells, H. A. Silvics of forest trees of the United States. (AH 271)
  • Greuter, W. et al., eds. Med-Checklist. (L Medit)
  • Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening. 1992 (Dict Gard) 4:460.
  • International Seed Testing Association A Multilingual Glossary of Common Plant-Names 2. Trees. (Mult Glossary Trees)
  • Komarov, V. L. et al., eds. Flora SSSR. (F USSR)
  • Lee, Y. N. Flora of Korea. (F Korea)
  • Little, E. L., Jr. Important forest trees of the United States. 1978 (AH 519)
  • Little, E. L., Jr. Checklist of United States trees, Agric. Handb. 541. 1979 (Trees US)
  • McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker Herbs of commerce, ed. 2. 2000 (Herbs Commerce ed2)
  • Personal Care Products Council International Nomenclature Cosmetic Ingredient (INCI)
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). (Pl Names)
  • Tutin, T. G. et al., eds. Flora europaea, ed. 2. (F Eur ed2)
  • Wu Zheng-yi & P. H. Raven et al., eds. Flora of China (English edition). (F ChinaEng)

Check other web resources for Thuja occidentalis L. :


  • Embryo drawing: U.S. National Seed Herbarium drawing
  • Seed: U.S. National Seed Herbarium image