The dwarf mistletoe severely parasitizing Pacific silver fir in Oregon is described as a new subspecies of hemlock dwarf mistletoe. This classification is based on morphological and host range differences between hemlock dwarf mistletoe, Arceuthobium tsugense (Rosendahl) G. N. Jones subsp. tsugense, and the new subspecies, Pacific silver fir dwarf mistletoe, Arceuthobium tsugense subsp. amabilae Mathiasen & C. Daugherty.
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1 June 2007
Arceuthobium tsugense subsp. Amabilae, a New Subspecies of Hemlock Dwarf Mistletoe (Viscaceae) from Oregon
Robert L. Mathiasen,
Carolyn M. Daugherty
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Novon: A Journal for Botanical Nomenclature
Vol. 17 • No. 2
June 2007
Vol. 17 • No. 2
June 2007
Arceuthobium
Hemlock dwarf mistletoe
IUCN Red List
mountain hemlock
noble fir
Oregon
Pacific silver fir