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

INHS Collections Data

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Organism
  Plantae
    Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Ceratophyllanae
                    Ceratophyllales
                            Ceratophyllaceae
                                     Ceratophyllum
                                             Ceratophyllum demersum
                                             Ceratophyllum echinatum