- ↑ 1.0 1.1
"Tsuga forrestii". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. 1998. Ginkuhà 24 Oktubre 2012.
- ↑ Downie, 1923 In: Notes Roy. Bot. Gard. Edinburgh 14: 18.
- ↑ Farjon, A., 1990Pinaceae. [Regnum Vegetabile Vol. 121] Koeltz Scientific Books, Königstein
- ↑ 4.0 4.1 Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2014). "Species 2000 & ITIS [[Catalogue of Life]]: 2014 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 26 Mayo 2014. CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ Conifer Database. Farjon A., 11 Pebrero 2011