**Code**: [DWC](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126997) **Organization**: West Chester University **Division**: Special Collections **Department**: University Libraries **Location**: West Chester, PA, U.S.A. **Total number of specimens**: 20000 **Current status**: Active **Date founded**: 1826 **Taxonomic coverage**: Historical collections of early American botanists (1820--1855); vascular plants of Europe and U.S. **Geographic coverage**: Europe and U.S. **Important collectors**: J. Wolle, G. Engelmann, A. Gray, C. W. Short, J. Bartram, J. Hoopes, L. D. von Schweinitz, E. Michener, W. H. Harvey, T. Nuttall, C. G. Pringle, J. C. Frémont, E. Durand, J. Torrey, W. Baldwin, C. S. Rafinesque, I. A. Lapham, S. B. Buckley, W. J. Hooker **Notes**: Up to date as of Sep 2017. One of the oldest institutional collections in the United States. William Darlington's personal scientific library and personal annotated copies of most of his published books housed in University's Francis Harvey Green Library, Special Collections. **Date modified in Index Herbariorum**: 2020-11-11 > [!cite] This page is automatically generated • Data on this page were obtained from [Index Herbariorum](https://sweetgum.nybg.org/science/ih/) on 2023-08-23. • Meaning of acronyms in TL-2 is not always the same as in IH. Consult list of original [[Abbreviations|abbreviations]] if you suspect acronym mismatch.