Floras of the Pocono formation and Price sandstone in parts of Pennsylvania, Maryland, West Virginia, and Virginia, including descriptions of 22 new species, 1 new genus, and 4 new combinations of Mississippian age.

By: Material type: TextTextPublication details: Washington, U.S.Govt.Print.Off., 1955.Description: 32 p. 20 plates, map. 29 cmSubject(s): LOC classification:
  • QE75 .P9 no. 263
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"Literature cited" : p.29-30.

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