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Onocleaceae : Matteuccia struthiopteris
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2005.
Archegonia viewed from above, showing four tiers of neck cells and canal in the center through which the sperm swim to ferilize the egg. Photo by Michael Sundue
Copyright © 2005 by Robbin Moran (contact: kcn2[at]cornell.edu) [ref. DOL16736]
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