| Classification | Fungi: Basidiomycota: Agaricomycetes: Agaricales: Agaricaceae: Gomphidius |
| Harvard University Herbaria Barcode(s) | 00543369 |
| Type Status | Holotype |
| Collector | R. Singer |
| Collector number | s.n. |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County: Hamilton |
| Locality | [data not captured] |
| Date Collected | 1945-10-24 |
| Project | Macrofungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7798dab9-6dfa-4643-823a-9f8c7041bcfb |
| Harvard University Herbaria Barcode | 00543369 |
| Herbarium | FH |
| Family | Agaricaceae |
| Type Status | Holotype |
| Holotype of | Gomphidius smithii var. xanthobasis Singer |
| Taxon Reference | (for Gomphidius smithii var. xanthobasis Singer) Pap. Michigan Acad. Sci. 1948 ["1946"]. 32: 150. |
| Family | Agaricaceae |
| Determination | Gomphidius smithii var. xanthobasis Singer |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Box |
| Preparation Method | Dried |