Scirpus atrovirens Willd.  
Family: Cyperaceae
black bulrush, dark-green bulrush
[Scirpus atrovirens f. proliferus Willd., Scirpus atrovirens var. atrovirens Willd., Scirpus atrovirens var. pycnocephalus Willd.]
Scirpus atrovirens image
Christopher Noll  
Scirpus atrovirens image
Stephen L. Solheim  
Scirpus atrovirens image
Emmet J. Judziewicz  
Scirpus atrovirens image
Matthew L. Wagner  
Scirpus atrovirens image
Christopher Noll  
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