Ohio spiderwort Tradescantia ohioensis Location: 3105 S. 7th St., Arlington, VA Year: 2006 Merckslides catalogue number: 05-22897 Comments:

Ohio spiderwort Tradescantia ohioensis Location: Billygoat Trail, C & O Canal National Park, near Potomac, MD Year: 2009 Merckdigitals catalogue number: 05-71130 Comments:

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