This is a preview. Log in through your library . Abstract Spermatogenesis in Polytrichum juniperrinum includes a series of precise and coordinated morphogenetic movements among the organelles of the ...

This is a preview. Log in through your library . Abstract Polytrichum commune, the common hair-cap moss, possesses a system of long-distance food-conducting cells that can be traced from leaves into ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...