Title: Eastern Spruce Dwarf Mistletoe
Author: Baker, F.; O'Brien, Joseph; Mathiasen, R.; Ostry, Mike;
Source: USDA Forest Service,
State and Private Forestry, 11 Campus, Boulevard, Suite 200, Newtown Square, PA 19073
Publication Series: Forest Insect and Disease Leaflet (FIDL)
Description: Eastern spruce dwarf mistletoe (Arceuthobium pusillum) is a parasitic flowering plant that causes the most serious disease of black spruce (Picea mariana) throughout its range. The parasite occurs in the Canadian provinces of Saskatchewan, Manitoba, Ontario, Quebec, New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland; in the Lake States of Minnesota, Wisconsin, and Michigan; and the Northeastern states of New York, Pennsylvania, Vermont, New Hampshire, and Maine. (Figure 1). The eastern spruce dwarf mistletoe is rarely found in Rhode Island, Connecticut, New Jersey, and Massachusetts.
Keywords: eastern mistletoe, mistletoe, (Arceuthobium pusillum), (Picea mariana), black spruce, eastern mistletoe, mistletoe range, basal cups, witches broom, eastern spruce dwarf mistletoe spread and infection, NA-PR-04-06
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Baker, F.; O''Brien, Joseph; Mathiasen, R.; Ostry, Mike 2006. Eastern Spruce Dwarf Mistletoe. USDA Forest Service, Northeastern Area, State and Private Forestry, 11 Campus, Boulevard, Suite 200, Newtown Square, PA 19073
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