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  • Pteridophyte
  • Sharp, A. J.
  • North America
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  • North America
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  • 1930s
  • NMNH - Botany Dept.
  • Pteridophyte
  • Pteridophyte
  • Polypodiales
  • Polypodiales
  • Pteridaceae
  • Pteridaceae
  • Pellaea glabella
  • Pellaea glabella