This is a preview. Log in through your library . Abstract Polytrichum commune is a perennial moss that grows by rhizomatous production of interconnected shoots. It possesses a well-developed internal ...

The splitting of the inner, sheathing layer of the calyptra on the sporophyte of Polytrichum juniperinum Hedw. leads to asymmetrical expansion and the development of a capsule that is bilaterally ...

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