Black Walnut Juglans nigra Linnaeus  Synonyms: Wallia nigra.
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A fruiting Black Walnut in Prince George's Co., Maryland (9/20/2008). Photo by Jim Brighton. (MBP list)

Black Walnut in fruit in Harford Co., Maryland (7/23/2017). Photo by Josh Emm. (MBP list)

Black Walnut in Anne Arundel Co., Maryland (5/17/2012). Photo by Bill Harms. (MBP list)

Black Walnut in Anne Arundel Co., Maryland (8/6/2012). Photo by Bill Harms. (MBP list)

Black Walnut in Howard Co., Maryland (6/15/2017). Photo by Bill Harms. (MBP list)

Black Walnut in Anne Arundel Co., Maryland (6/29/2017). Photo by Matthew Beziat. (MBP list)

Black Walnut flowers in spring in Montgomery Co., Maryland (4/18/2010). Photo by Janice Browne. (MBP list)

Black Walnut growing in Carroll Co., Maryland (5/20/2018). Photo by Sue Muller. (MBP list)

The state champion Black Walnut at Susquehanna SP in Harford Co., Maryland (9/16/2018). Photo by Bill Hubick. (MBP list)

Black Walnut in Caroline Co., Maryland (8/2/2016). Photo by Wayne Longbottom. (MBP list)

Trunk of a Black Walnut tree in Howard Co., Maryland (9/8/2013). Photo by Bill Hubick. (MBP list)

Black Walnut in Washington Co., Maryland (2/25/2017). Photo by Bill Hill. (MBP list)

Black Walnut (buds) in Dorchester Co., Maryland (2/23/2015). Photo by Jonathan Willey. (MBP list)

Black Walnut in Howard Co., Maryland (2/21/2018). Photo by Sue Muller. (MBP list)

Black Walnut (close-up of female) in Howard Co., Maryland (6/1/2017). Photo by USGS PWRC. (MBP list)

Black Walnut in Howard Co., Maryland (5/10/2017). Photo by Bill Harms. (MBP list)

A double nut from a Black Walnut in Dorchester Co., Maryland (9/10/2017). Photo by Jim Brighton. (MBP list)

Black Walnut in Allegany Co., Maryland (2/25/2018). Photo by Sue Muller. (MBP list)


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