Bottlebrush Sedge Carex hystericina Muhlenberg ex WilldenowEndangered (MD)  -  S1 (Highly state rare)  Synonyms: Porcupine Sedge.

There are 13 records in the project database.

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Bottlebrush Sedge in Baltimore Co., Maryland (7/1/2017). Identified by Jim Brighton. Photo by Bill Hubick. (MBP list)

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