University of Illinois at Urbana-Champaign
Prairie Research Institute
Illinois Natural History Survey

INHS Collections Data

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Organism
  Plantae
      Polypodiophyta
            Polypodiopsida
                    Polypodiales
                      Aspleniineae
                            Woodsiaceae
                                     Woodsia
                                             Woodsia ilvensis
                                             Woodsia oregana
                                               Woodsia oregana subsp. carthcariana