Western Illinois University, ​R. M. Myers Herbarium (MWI)

The R.M. Myers Herbarium contains more than 75,000 specimens, of which most are from western Illinois or southeastern Iowa. We hold a major collection of moss specimens from western Illinois, as well as a set of Opuntia fragilis specimens that document most areas where it grows in the midwest.

Contacts: Ranessa Cooper, RL-Cooper@wiu.edu
Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Global Unique Identifier: 5f887025-5ee0-453e-b25b-360c1f5e870a
Digital Metadata: EML File
Rights Holder: Western Illinois University
Collection Statistics
  • 42,498 specimen records
  • 4,037 (9%) georeferenced
  • 42,226 (99%) identified to species
  • 300 families
  • 2,002 genera
  • 6,234 species
  • 7,151 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Arachniodes (1)
  • Aspidium (2)
  • Cystopteris (75)
  • Deparia (9)
  • Dryopteris (63)
  • Elaphoglossum (4)
  • Lastreopsis (2)
  • Lomariopsis (1)
  • Matteuccia (5)
  • Nephrolepis (5)
  • Oleandra (1)
  • Olfersia (1)
  • Onoclea (42)
  • Phegopteris (21)
  • Polystichum (41)
  • Pteretis (1)
  • Tectaria (4)