Key - Tree/Shrub with Single Scales or Prickley Needles

Species	Form	Needles	Habitat
Juniperus communis Dwarf juniper	usually a shrub	prickly needles	rocky infertile soil
Juniperus virginiana Red cedar	small tree	both scales  and prickly	dry soil, old fields
Juniperus horizontalis Trailing juniper	low creeping,  mat-forming shrub	scales	dry, mostly sandy soil
Thuga occidentalis Arborvitae	tree	flat scales	Swamps and limestone soils