- Group 1Lycophytes, Monilophytes
- Group 2Gymnosperms
- Group 3Monocots
- Group 4Woody angiosperms with opposite or whorled leaves
- Group 5Woody angiosperms with alternate leaves
- Group 6Herbaceous angiosperms with inferior ovaries
- Group 7Herbaceous angiosperms with superior ovaries and zygomorphic flowers
- Group 8Herbaceous angiosperms with superior ovaries, actinomorphic flowers, and 2 or more distinct carpels
- Group 9Herbaceous angiosperms with superior ovaries, actinomorphic flowers, connate petals, and a solitary carpel or 2 or more connate carpels
- Group 10Herbaceous angiosperms with superior ovaries, actinomorphic flowers, distinct petals or the petals lacking, and 2 or more connate carpels
Report of Juniperus communis ×J. virginiana from ME by Angelo and Boufford (1996) was based on specimens of J. virginiana with a high proportion of subulate (i.e., juvenile) leaves. Reference: Adams (1993).
1b. Leaves opposite, closely imbricate and concealing the young branchlets, dimorphic—longer, subulate ones (i.e., juvenile) and shorter, scale-like ones (i.e., adult); seed cones borne terminally
Show photos of: Each photo represents one species in this genus.