]> GH barcode-02164828 United States of America Maryland along power line right-of-way, just N of Beaver Dam Rd. and NASA anten-na testing area #1, 0.7 mi E of Soil Conservation Rd. Beltsville Agricultural Research Center. Dendrolycopodium obscurum (Linnaeus) A. Haines (Linnaeus) A. Haines 2020-12-07 09:13:25 S. R. Hill