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Arceuthobium tsugense ssp. tsugense

Arceuthobium tsugense (Rosend.) G.N. Jones ssp. tsugense

Hemlock Dwarf Mistletoe, Hemlock Dwarf-mistletoe

Viscaceae (Christmas Mistletoe family)



USDA Native Status: L48 (N), AK (N)


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Plant Characteristics

Duration: Perennial
Habit: Subshrub , Shrub
Fruit Type: Berry
Size Notes: Stems up to about 5 inches long, yellow, green, olive green or purple.

Bloom Information

Bloom Color: Yellow , Green
Bloom Time: Jul , Aug , Sep , Oct , Nov


USA: AK , CA , OR , WA
Native Habitat: Coniferous forests, parasitic on a broad range of hosts. Principal hosts include Abies amabilis, A. lasiocarpa, A. procera, Pinus contorta, Tsuga heterophylla and T. mertensiana. Secondary to rare hosts include several fir, spruce, pine and hemlock species.

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 36 - Jepson eFlora (2019) The Jepson Herbarium, University of California, Berkeley
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Arceuthobium tsugense ssp. tsugense in USDA Plants
FNA: Find Arceuthobium tsugense ssp. tsugense in the Flora of North America (if available)
Google: Search Google for Arceuthobium tsugense ssp. tsugense


Record Modified: 2020-11-16
Research By: CBR

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