Equisetaceae : Equisetum arvense det. Robbin Moran 2005
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2005.
Helical thickenings in the sporangium wall are a synapomorphy for the Equisetaceae. From a longitudinal section through the sporophyll.
Copyright © 2005 by Robbin Moran (contact: sv22@cornell.edu) [ref. DOL16700]
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Equisetaceae Equisetum arvense
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