Unlike Lycopodium, Selaginella is:
heterosporous - microsporophylls producing microspores, and megasporophylls producing only megaspores.
The vegetative structure (left) may look familiar- it grows in our local woods..
Below note the mega and microsporophylls contained on the strobilus
:
The lifecycle shown below is a bit more, but not much more complicated, than those seen earlier.
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