Equisetaceae : Equisetum arvense
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USA: NY:: Tompkins Co. Ellis Hollow Rd GOOmap to County   VEmap to County , 22 April 2004.
The stems are dimorphic; sterile stems (emerging to left) are green and branched, while fertile stems are unbranched and whitish or yellowish
Copyright © 2001 by Kevin C. Nixon (contact: kcn2@cornell.edu) [ref. DOL5323]
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Equisetaceae Equisetum arvense
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