Example Herbarium Sheets

To search our specimen databases and access many more specimen images, see Specimen Digitization.

These example sheets are all specimens held in the ISC herbarium. They cover a range of taxa and time periods, and include examples from some of our most famous collectors. The leftmost one is a type specimen, part of the definition of the species. 

herbarium sheet, Chusquea
Chusquea riosaltensis L.G. Clark (isotype) collected in Brazil by L. Clark and M. Morel, 1992
herbarium sheet, Liatris
Liatris aspera Michx. collected in Lee County, Iowa by Tom & Diane Lammers, 1977
herbarium sheet, Polypodium
Polypodium virginianum L. collected by C.E. Bessey in Boone County, Iowa, 1871
herbarium sheet, Prunus
Prunus virginiana L. collected in Story County, Iowa by George W. Carver, 1894 or 1895
herbarium sheet, Gossyplum
Gossypium herbaceum L. collected in the Bessey Hall Greenhouse by J.F. Wendel and T.D. Couch, 1988.