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Protonema
PROTONEMA

Definition: The early stage of the development of the gametophyte of a moss of liverwort. It often consists of a branching system of filaments arising directly from the asexual spore, and develops by budding into the moss plant proper or gives rise to the second stage of the gametophyte.
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See perfect stage (1).
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See perfect nature (2).

See perfect earliness.

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