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
Usage Rights: CC BY (Attribution)
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
  • Alliaria (17)
  • Alyssum (2)
  • Arabidopsis (5)
  • Arabis (92)
  • Armoracia (11)
  • Aurinia (1)
  • Barbarea (50)
  • Berteroa (11)
  • Brassica (65)
  • Bunias (1)
  • Cakile (3)
  • Camelina (18)
  • Capsella (47)
  • Cardamine (129)
  • Cardaria (7)
  • Caulanthus (4)
  • Chorispora (3)
  • Cochlearia (1)
  • Conringia (2)
  • Coronopus (1)
  • Descurainia (52)
  • Diplotaxis (3)
  • Dithyrea (1)
  • Draba (38)
  • Erucastrum (2)
  • Erysimum (49)
  • Guillenia (1)
  • Hesperis (22)
  • Hornungia (1)
  • Iodanthus (3)
  • Lepidium (122)
  • Lesquerella (6)
  • Lobularia (2)
  • Microthlaspi (2)
  • Nasturtium (20)
  • Neobeckia (11)
  • Neslia (1)
  • Peltaria (1)
  • Pennellia (1)
  • Physaria (3)
  • Pilosella (2)
  • Raphanus (6)
  • Rapistrum (3)
  • Rorippa (112)
  • Schoenocrambe (3)
  • Sibara (14)
  • Sinapis (17)
  • Sisymbrium (43)
  • Smelowskia (1)
  • Stanleya (2)
  • Streptanthella (1)
  • Streptanthus (2)
  • Thelypodium (7)
  • Thlaspi (37)
  • Thysanocarpus (3)