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Pittsburg State University, Theodore M. Sperry Herbarium (KSP)

The collections contain approximately 64,100 specimens, which document the distribution and natural variation of vascular plants and bryophytes in Kansas, adjacent states, and North America, excluding ca. 16,000 backlogged specimens. Many of its specimens are unicates. The collections also include important holdings from abroad (Dem. Rep. Congo; Peru; Myrtaceae of Madagascar and New Caledonia; Poaceae worldwide), and 15 isotypes. Ca. 5800 collections of North American bryophytes are databased on the Consortium of North American Bryophytes website.
Contact: Neil Snow (
Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Global Unique Identifier: f5306a80-6eea-437a-b681-f1140a6d86f7
Digital Metadata: EML File
Theodore M. Sperry Herbarium
Department of Biology
Pittsburg State University
Pittsburg, Kansas   66762-7552
620/ 235-4424
Collection Statistics
  • 4,991 specimen records
  • 1,819 (36%) georeferenced
  • 4,397 (88%) identified to species
  • 123 families
  • 475 genera
  • 1,056 species
  • 1,198 total taxa (including subsp. and var.)
Extra Statistics