Dwarf Mistletoe

Dwarf Mistletoe

Dwarf misletoe on black spruce

Witches brooms on black spruce caused by Arceuthobium pusillum.

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Witches broom on black spruce caused by Arceuthobium pusillum that was in the lab - without needles.

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Black spruce showing loss of apical dominance and enlarged side branch that was infected with dwarf mistletoe.

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Cortical strands and sinkers of dwarf mistletoe in cross section of conifer branch. 

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Male shoots of Arceuthobium pusillum.

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Female shoots of Arceuthobium pusillum.

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Seeds, produced in September, on Arceuthobium pusillum

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Basal cups of Arceuthobium pusillum.

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Dwarf mistletoe, Arceuthobium americanum, on Jack pine from Manatoba, Canada.

dwarf on mistletoe on pnderosa pine

Dwarf mistletoe on Ponderosa pine growing in northern Arizona.