**Code**: [WSP](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126986) **Organization**: Washington State University **Division**: College of Agricultural, Human, and Natural Resource Sciences **Department**: Plant Pathology Department **Location**: Pullman, Washington, U.S.A. **Total number of specimens**: 75600 **Current status**: Active **Date founded**: 1915 **Taxonomic coverage**: Parasitic and wood-decay fungi; smut fungi; rust fungi; powdery mildews; downy mildews; Xylariaceae, Diatrypaceae, and other pyrenomycetes worldwide **Geographic coverage**: focus on Pacific Northwest; also broader western & northern US, Canada, Mexico, Europe and tropics/subtropics worldwide **Important collectors**: L. M. Carris, Wm. B. Cooke, R. Durán, G. W. Fischer, D. Glawe, J. D. Rogers, C. G. Shaw, R. Sprague, W. N. Suksdorf **Notes**: Updated Jan 2022 (contact info). Important collections include: smuts (G.W. Fischer, R. Duran, L.M. Carris, K. Vanky); downy mildews (C.G. Shaw); powdery mildews (D.A. Glawe); Xylariaceae, Diatrypaceae, and other pyrenomycetes (J. D. Rogers & others); and fungi on grasses (R. Sprague), with a focus on the Northwest United States. Exsiccati of historical Northwest collectors including Suksdorf, Piper, & others are available, as well as original sets of Fungi Columbiani (E. & E., Bartholomew) and North American Fungi (Ellis & Everhart). Collections from the whole USA, Canada, the UK, Austria, Germany, Finland, Romania & E. Europe, Mexico, Brazil, Taiwan & SE Asia, Russia, and New Zealand are also well represented. \*\*\*PLEASE NOTE: Correspondence/parcels sent by private carrier should use the above given mailing address; if shipping via USPS please address to: PO Box 646430, Pullman WA 99164-6430. Thank you! **Date modified in Index Herbariorum**: 2023-06-30 > [!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.