Juniperus horizontalis Moench
Family: Cupressaceae
creeping juniper, trailing juniper
[Juniperus horizontalis var. douglasii Moench,  more...]
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Kenneth J. Sytsma  
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Matthew L. Wagner  
Etymology: Juniperus: Latin name for juniper
Plants: prostrate, mat perennial, evergreen shrub
Leaves: mostly scales, some needles in whorls of 3
Fruits: blueish, up to 3/8" diameter berry
Habitat: dry; in sandy soil
Conservation Status: Native
Chiefly found on the dunes of Lake Michigan from Sheboygan Co. northward, but also inland at a few sites on cliffs, rock outcrops, sandstone bluffs, open and rocky hillsides, and in fields.
As the common name implies, this plant spreads along the ground, forming long, nearly flat branches; it is often found growing with J. communis.  In a few areas where this species grows with J. virginiana, hybrids are sometimes formed.  These hybrids resemble J. horizontalis in growth form with the foliage and cones of J. virginiana (Fassett, 1945).
Chiefly found on the dunes of Lake Michigan from Sheboygan Co. northward, but also inland at a few sites on cliffs, rock outcrops, sandstone bluffs, open and rocky hillsides, and in fields.
As the common name implies, this plant spreads along the ground, forming long, nearly flat branches; it is often found growing with J. communis.  In a few areas where this species grows with J. virginiana, hybrids are sometimes formed.  These hybrids resemble J. horizontalis in growth form with the foliage and cones of J. virginiana (Fassett, 1945).
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Matthew L. Wagner  
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Robert W. Freckmann  
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Emmet J. Judziewicz  
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Derek Anderson  
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Derek Anderson  
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Derek Anderson  
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Derek Anderson  
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Botanical Illustration  
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Aaron_Carlson  
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