Tsuga heterophylla

Western hemlock
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Tsuga
Species:
T. heterophylla
Binomial name
Tsuga heterophylla
Natural range

Tsuga heterophylla, the western hemlock[2] or western hemlock-spruce,[3] is a species of hemlock native to the west coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern Sonoma County, California.[4][5] The Latin species name means 'variable leaves'.[6]

  1. ^ Farjon, A. (2013). "Tsuga heterophylla". IUCN Red List of Threatened Species. 2013: e.T42435A2980087. doi:10.2305/IUCN.UK.2013-1.RLTS.T42435A2980087.en. Retrieved 19 November 2021.
  2. ^ USDA, NRCS (n.d.). "​Tsuga heterophylla​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 12 December 2015.
  3. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 26 June 2015. Retrieved 17 October 2014.
  4. ^ Farjon, A. (1990). Pinaceae. Drawings and Descriptions of the Genera. Koeltz Scientific Books ISBN 3-87429-298-3.
  5. ^ Gymnosperm Database: Tsuga heterophylla Archived 2005-09-24 at the Wayback Machine
  6. ^ Arno, Stephen F.; Hammerly, Ramona P. (2020) [1977]. Northwest Trees: Identifying & Understanding the Region's Native Trees (field guide ed.). Seattle: Mountaineers Books. pp. 110–117. ISBN 978-1-68051-329-5. OCLC 1141235469.