Picea breweriana (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Picea breweriana" in English language version.

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Arno, Stephen F.; Hammerly, Ramona P. (2020) [1977]. Northwest Trees: Identifying & Understanding the Region's Native Trees (field guide ed.). Seattle: Mountaineers Books. pp. 96–97. ISBN 978-1-68051-329-5. OCLC 1141235469.

bsbi.org

BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 26 June 2015. Retrieved 17 October 2014.

conifers.org

"Picea breweriana (weeping spruce) description". www.conifers.org. Retrieved 9 March 2024.
Earle, Christopher J., ed. (2018). "Picea breweriana". The Gymnosperm Database.

doi.org

Nelson, J.; Farjon, A. (2013). "Picea breweriana". IUCN Red List of Threatened Species. 2013: e.T34049A2841277. doi:10.2305/IUCN.UK.2013-1.RLTS.T34049A2841277.en.

fs.fed.us

Frank Lang's Nature Notes: US Forest Service ecology and the naming

iucnredlist.org

Nelson, J.; Farjon, A. (2013). "Picea breweriana". IUCN Red List of Threatened Species. 2013: e.T34049A2841277. doi:10.2305/IUCN.UK.2013-1.RLTS.T34049A2841277.en.

npsoregon.org

Ornduff, Robert (2008). "Thomas Jefferson Howell and the First Pacific Northwest Flora" (PDF). Kalmiopsis. 15: 32–41. Retrieved 5 March 2012.

rhs.org.uk

"RHS Plant Selector – Picea breweriana". Retrieved 6 February 2021.
"AGM Plants – Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 78. Retrieved 25 April 2018.

usda.gov

srs.fs.usda.gov

"Picea breweriana Wats". www.srs.fs.usda.gov. Retrieved 9 March 2024.
Thornburgh, Dale (1990). "Picea breweriana". In Burns, Russell M.; Honkala, Barbara H. (eds.). Conifers. Silvics of North America. Vol. 1. Washington, D.C.: United States Forest Service (USFS), United States Department of Agriculture (USDA) – via Southern Research Station.

plants.sc.egov.usda.gov

USDA, NRCS (n.d.). "Picea breweriana". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 31 January 2016.

web.archive.org

BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 26 June 2015. Retrieved 17 October 2014.

worldcat.org

search.worldcat.org

Arno, Stephen F.; Hammerly, Ramona P. (2020) [1977]. Northwest Trees: Identifying & Understanding the Region's Native Trees (field guide ed.). Seattle: Mountaineers Books. pp. 96–97. ISBN 978-1-68051-329-5. OCLC 1141235469.