| Classification | Russulaceae: Lactarius |
| Harvard University Herbaria Barcode(s) | 00543816 |
| Type Status | Holotype |
| Collector | R. Singer |
| Collector number | F134 |
| Country | United States of America |
| State | Florida |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Florida: Highlands County |
| Locality | [data not captured] |
| Date Collected | 1942-08-10 |
| Project | Macrofungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/96f67e93-b29f-4db1-bb85-78fe5cee5bb2 |
| Harvard University Herbaria Barcode | 00543816 |
| Herbarium | FH |
| Family | Russulaceae |
| Type Status | Holotype |
| Holotype of | Lactarius xanthydrorheus Singer |
| Taxon Reference | (for Lactarius xanthydrorheus Singer) Mycologia 1945. 37(4): 426. |
| Family | Russulaceae |
| Determination | Lactarius xanthydrorheus Singer |
| Determination Remarks | [filed under] [current name] |
| Subcollection | Hymenomycete Boxed Type Collection |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Box |
| Preparation Method | Dried |
