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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Juncaceae
Flowers in cymes or in dense
lateral
clusters
Juncaceae
consider the other alternative
Leaf sheaths open; seeds numerous
Juncus
choose this alternative
reject this alternative
Leaves flat and channelled, or if
terete
then less than 1 mm wide and not
septate
choose this alternative
reject this alternative
Leaves
terete
(sometimes
compressed
) or reduced to sheaths with the
lamina
as a small
acute
tip to the sheaths