Jack's Juniper, Jack's Common Juniper, Jack's Mat Juniper: Juniperus communis var. jackii (Synonyms: Juniperus communis ssp. jackii, Juniperus jackii) - Stomatal band broad, 3-4 times wider than the green margins.
Common Juniper, Dwarf Juniper, Ground Juniper, Kelley's Common Juniper, Mountain Juniper, Prostrate Juniper: Juniperus communis var. saxatilis (Synonyms: Juniperus communis var. kelleyi, Juniperus sibirica) - Stomatal band narrower, 1-2 times wider than the green margins. This taxon is considered Juniperus communis var. kelleyi in Washington.