• Current Status: Active
  • Number of Specimens: 520000
  • Geography: Illinois, midwestern U.S.
  • Date Founded: 1869

Notes edit

  • Numerous types of Piperaceae, Quercus, and Phoradendron. Collection of 23 500 Pennsylvania coal balls (vascular plants) and 4000 plant compressions (Paleozoic algae and vascular plants).

See also edit

External links edit