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Key to Dendrolycopodium

Lycopodiaceae

Dendrolycopodium

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(c) Fleming, Gary P.
(c) Fleming, Gary P.
1 Leaves of the main vertical axis spreading (30-90° angle to stem) in the vicinity of the lower lateral branches, prickly to the touch; branchlets round in cross-section, the 6 ranks of leaves (2 lateral ranks, 2 adaxial ranks, and 2 abaxial ranks) equal in length and spreading to ascending
© Aster Ayer
1 Leaves of the main vertical axis appressed (15-30° angle to stem) in the vicinity of the lower lateral branches, soft to the touch; branchlets slightly to strongly dorsiventrally flattened in cross-section, the 6 ranks of leaves (4 lateral ranks, 1 adaxial rank, 1 abaxial rank) round or slightly to very unequal, the abaxial leaves more appressed and mostly shorter than (to equal to) the spreading lateral leaves.
(c) Ward, Scott G
(c) Bridges, Edwin
  2 Abaxial leaves of the horizontal branchlets about the same length as the lateral leaves; leaves of all the ranks spreading at a (21°-) ca. 27° (-36°) angle from the branchlet, thus the branchlet and leaves together 3.5-6 (-7) mm wide
(c) Danielson, Erik
(c) Cressler, Alan M.
  2 Abaxial leaves of the horizontal branchlets about one half to two thirds as long as the lateral leaves; leaves of the abaxial and adaxial ranks generally appressed to the branchlet, the lateral 4 ranks spreading at a (27°-) ca. 40° (-59°) angle from the branchlet, thus the branchlet and leaves together ca. 6-9 mm wide