**Code**: [TRTC](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=125828) **Organization**: Royal Ontario Museum **Department**: Department of Natural History **Location**: Toronto, Ontario, Canada **Total number of specimens**: 490000 **Current status**: Active **Date founded**: 1887 **Taxonomic coverage**: Fungi, especially Agaricales, Aphyllophorales sensu lato, Auriculariales, Tremellales, Uredinales, and ascomycetes; coprophilous fungi; soil fungi; some coelomycetes, hyphomycetes, myxomycetes; lichens **Geographic coverage**: Worldwide, especially Ontario and Eastern North America in general **Important collectors**: T. Ahti, C. D. Bird, R. F. Cain, G. Darker, J. B. Ellis, J. H. Faull, R. W. Fisher, T. C. Frye, J. W. Groves, A. Henssen, O. Jaap, H. S. Jackson, J. Krug, P. A. Lemke, J. Macoun, D. W. Malloch, J. A. Parmelee, F. Petrak, H. Sydow, P. Sydow, S.-C. Teng, G. E. Thompson, R. F. Warren, J. White **Notes**: The collection was created as a part of the Cryptogamic Herbarium (TRTC) founded at the University of Toronto around 1887. In 1996 it was transferred to the Royal Ontario Museum (ROM), and became restricted to Fungi. Mosses and liverworts were integrated to the ROM Vascular Plant Herbarium (TRT) while algae remained with the University of Toronto Culture Collection (UTCC). In 2022, ROM management eliminated the TRTC Curator position while maintaining a Collection Manager. **Date modified in Index Herbariorum**: 2022-09-14 > [!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.