Not so Merry Mistletoe-Tree Diseases
Eastern spruce dwarf mistletoe, Arceuthobium pusillum, is a flowering plant which parasitizes black spruce, Picea mariana, and is the causal agent of its most serious disease. This parasite enjoys a broad range, thriving throughout the southern Canadian provinces, from Minnesota east to Maine and south to Pennsylvania. However, it is rarely found in New Jersey,…