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
  • Abrus (1)
  • Acacia (16)
  • Aeschynomene (7)
  • Albizia (11)
  • Amorpha (91)
  • Amphicarpaea (38)
  • Anadenanthera (1)
  • Andira (2)
  • Anthyllis (2)
  • Apios (42)
  • Arachis (2)
  • Astragalus (92)
  • Baptisia (45)
  • Bauhinia (4)
  • Brownea (2)
  • Brya (1)
  • Caesalpinia (7)
  • Cajanus (4)
  • Calliandra (5)
  • Calopogonium (1)
  • Canavalia (10)
  • Caragana (2)
  • Cassia (7)
  • Centrosema (6)
  • Ceratonia (1)
  • Cercis (87)
  • Chamaecrista (60)
  • Chamaecytisus (2)
  • Cladrastis (4)
  • Clitoria (6)
  • Coronilla (21)
  • Crotalaria (29)
  • Cytisus (2)
  • Dalbergia (4)
  • Dalea (51)
  • Delonix (3)
  • Desmanthus (26)
  • Desmodium (195)
  • Dioclea (2)
  • Dipteryx (1)
  • Dorycnium (4)
  • Enterolobium (2)
  • Eriosema (2)
  • Erythrina (5)
  • Flemingia (2)
  • Galactia (4)
  • Genista (6)
  • Gleditsia (120)
  • Gliricidia (2)
  • Glottidium (7)
  • Glycine (10)
  • Glycyrrhiza (6)
  • Gymnocladus (32)
  • Haematoxylum (1)
  • Hedysarum (3)
  • Hoita (2)
  • Indigofera (4)
  • Inga (6)
  • Kummerowia (20)
  • Lablab (1)
  • Laburnum (1)
  • Lathyrus (36)
  • Lespedeza (99)
  • Leucaena (2)
  • Lonchocarpus (2)
  • Lotus (36)
  • Lupinus (47)
  • Lysiloma (1)
  • Macroptilium (4)
  • Medicago (80)
  • Melilotus (83)
  • Mimosa (9)
  • Neptunia (4)
  • Onobrychis (3)
  • Ononis (1)
  • Orbexilum (12)
  • Ornithopus (1)
  • Orobus (1)
  • Oxytropis (9)
  • Pachyrhizus (1)
  • Parkinsonia (5)
  • Pediomelum (1)
  • Peltophorum (1)
  • Phaseolus (4)
  • Piscidia (2)
  • Pisum (2)
  • Pithecellobium (8)
  • Prosopis (8)
  • Psophocarpus (2)
  • Psoralea (1)
  • Psoralidium (11)
  • Pterocarpus (1)
  • Pueraria (8)
  • Rhynchosia (4)
  • Robinia (73)
  • Samanea (2)
  • Securigera (1)
  • Senna (29)
  • Sesbania (10)
  • Sophora (8)
  • Strophostyles (48)
  • Stylosanthes (9)
  • Tamarindus (2)
  • Tephrosia (27)
  • Teramnus (3)
  • Thermopsis (11)
  • Trifolium (167)
  • Vicia (71)
  • Vigna (3)
  • Wisteria (6)
  • Zornia (1)