Common Juniper, Depressed Juniper: Juniperus communis var. depressa - Glaucous stomatal bands of leaves 1-1.5 times broader than green leaf margins.
Jack's Juniper: Juniperus communis var. jackii (Synonyms: Juniperus jackii, Juniperus communis var. montana) - Glaucous stomatal bands of leaves 3-4 times wider than each green leaf margin.
Common Juniper, Dwarf Juniper, Ground Juniper, Mountain Juniper, Prostrate Juniper: Juniperus communis var. saxatilis (Synonyms: Juniperus alpina, Juniperus communis ssp. alpina, Juniperus communis ssp. nana, Juniperus communis ssp. saxatilis, Juniperus communis var. alpina, Juniperus communis var. montana, Juniperus communis var. sibirica, Juniperus nana, Juniperus sibirica) - Glaucous stomatal bands 2 times wider than each green leaf margin.
Western Juniper: Juniperus occidentalis var. occidentalis (Synonyms: Juniperus californica var. siskiyouensis, Sabina occidentalis) -
Rocky Mountain Juniper, Rocky Mountain Redcedar: Juniperus scopulorum (Synonyms: Juniperus scopulorum var. columnaris, Juniperus virginiana ssp. scopulorum, Juniperus virginiana var. montana, Juniperus virginiana var. scopulorum, Sabina scopulorum) -