**Code**: [PSO](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126300) **Organization**: Universidad de Nariño **Division**: Facultad de Ciencias Agrícolas **Location**: Pasto, Nariño, Colombia **Total number of specimens**: 37000 **Current status**: Active **Date founded**: 1962 **Taxonomic coverage**: Páramo floras; Melastomataceae; Solanaceae; Asteraceae; Rubiaceae; Piperaceae; Gesneriaceae; Ericaceae; Poaceae; Orchidaceae; Fabaceae; Cyperaceae **Geographic coverage**: Nariño, Putumayo, and southern Cauca **Important collectors**: R. Guarín M., L. E. Mora O., W. Hagemann, S. Diaz P., R. Romero-Castañeda, M. L. Bristol, D. D. Soejarto, S. Espinal **Notes**: Updated Oct 2017 (staff). **Date modified in Index Herbariorum**: 2018-01-12 > [!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.