Calflora Taxon Report
Tsuga mertensiana (Bong.) Carrière
Mountain hemlock
Tsuga mertensiana is a tree that is native to California, and also found elsewhere in North America and beyond.
Alternate Names and Sources:
Tsuga crassifoliaOTHER
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
The blue points on the map indicate observations in Calflora.
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Plant Range Plant Characteristics Location Suitability
Calflora Observations: ~747 records Add an Observation to Calflora Search for Tsuga mertensiana
Name Status:
Accepted by: JEPS + PLANTS + POWO
Calflora Category:
gymnosperm
Jepson eFlora section:
gymnosperm (Jepson eFlora Taxon)
USDA PLANTS group:
Gymnosperm (USDA Plant Profile)
Wetlands:
Occurs usually in non wetlands, occasionally in wetlands
Habitat:
slopes
Communities:
Subalpine Forest

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Additional Photos on Calflora
External links:
Consortium of California Herbaria (CCH2) Integrated Taxonomic Info System (ITIS) International Plants Names Index (IPNI)
CalPhotos (UC Berkeley) iNaturalist PlantID.net Calscape (CNPS)

[Wikipedia] Taxonomy: Mertensiana refers to Karl Heinrich Mertens (1796 - 1830), a German botanist who collected the first specimens as a member of a Russian expedition in 1826 - 1829. (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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