River Birch Betula nigra Linnaeus  
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River Birch in Anne Arundel Co., Maryland (6/10/2012). Photo by Bill Hubick. (MBP list)

River Birch in Prince George's Co., Maryland (11/27/2015). Photo by Dan Small. (MBP list)

River Birch bark in Idylwild WMA, Caroline Co., Maryland (6/30/2012). Photo by Jim Brighton. (MBP list)

River Birch in Anne Arundel Co., Maryland (2/12/2012). Photo by Bill Harms. (MBP list)

River Birch (trunk) in Cecil Co., Maryland (4/16/2016). Photo by Bill Hubick. (MBP list)

River Birch growing in Kent Co., Maryland (3/26/2016). Photo by Nancy Martin. (MBP list)

River Birch growing in St. Mary's Co., Maryland (5/14/2016). Photo by Tyler Bell. (MBP list)

Close-up of a River Birch twig in Anne Arundel Co., Maryland (3/9/2013). Photo by Bill Hubick. (MBP list)

River Birch in Anne Arundel Co., Maryland (4/30/2011). Photo by Bill Harms. (MBP list)

River Birch in Anne Arundel Co., Maryland (4/30/2011). Photo by Bill Harms. (MBP list)

River Birch in Anne Arundel Co., Maryland (4/16/2011). Staminate and pistillate catkins in bloom. Photo by Bill Harms. (MBP list)

River Birch in Anne Arundel Co., Maryland (2/28/2011). Photo by Bill Harms. (MBP list)

The bud of a River Birch in Anne Arundel Co., Maryland (3/3/2013). Photo by Jim Brighton. (MBP list)

River Birch in Prince George's Co., Maryland (5/4/2017). Photo by Bill Harms. (MBP list)

Male catkins of River Birch in Montgomery Co., Maryland (12/28/2014). Photo by Jane Hill. (MBP list)

River Birch catkins in Harford Co., Maryland (4/26/2018). Photo by Josh Emm. (MBP list)

River Birch in Howard Co., Maryland (1/25/2017). Photo by Robert Ferraro. (MBP list)

River Birch in Howard Co., Maryland (1/25/2017). Photo by Robert Ferraro. (MBP list)

River Birch in Caroline Co., Maryland (3/25/2017). Photo by Jared Satchell. (MBP list)


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