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Distribution by County   519    
Arceuthobium tsugense  (Rosend.) G. N. Jones  ssp. mertensianae  Hawksw. & Nickrent

(not an active name)
Mountain hemlock dwarf mistletoe
Arceuthobium tsugense ssp. mertensianae is a perennial herb (parasitic) that is native to California, and also found elsewhere in western North America.
also called Arceuthobium campylopodum
Record Count by County

Alameda: 20 Inyo: 14 Nevada: 12 Sierra: 7
Alpine: 15 Kern: 40 Placer: 16 Siskiyou: 6
Amador: 2 Lake: 15 Plumas: 20 Sonoma: 14
Butte: 23 Lassen: 8 Riverside: 39 Stanislaus: 1
Calaveras: 4 Los Angeles: 41 San Benito: 9 Tehama: 11
Colusa: 6 Madera: 3 San Bernardino: 69 Trinity: 13
Contra Costa: 26 Marin: 8 San Diego: 45 Tulare: 20
Del Norte: 1 Mariposa: 10 San Luis Obispo: 12 Tuolumne: 17
El Dorado: 27 Mendocino: 17 Santa Barbara: 9 Ventura: 16
Fresno: 20 Mono: 5 Santa Clara: 21 Yolo: 2
Glenn: 3 Monterey: 41 Santa Cruz: 1 Yuba: 1
Humboldt: 6 Napa: 11 Shasta: 19

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).