| Classification | Fabaceae: Lotus |
| Classification 1 | Fabaceae: Syrmatium |
| Harvard University Herbaria Barcode(s) | 00061037 |
| Type Status | Holotype |
| Collector | M. F. Spencer |
| Collector number | 561 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County |
| Locality | Mountain Springs, Colorado Desert |
| Date Collected | 1917-03-18 |
| Elevation | 808 m |
| Verbatim Elevation | 2650 feet |
| Habitat | stony desert slopes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dc650d0b-2249-46ca-8108-857828107e4e |
| Harvard University Herbaria Barcode | 00061037 |
| Herbarium | GH |
| Family | Fabaceae |
| Type Status | Holotype |
| Holotype of | Lotus spencerae J. F. Macbride |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Lotus spencerae J. F. Macbride) Contr. Gray Herb. 1918. n.s. 53: 13. |
| Family | Fabaceae |
| Determination | Lotus haydonii (Orcutt) Greene |
| Determined by | Svenson, Henry Knut[e] |
| Determination Remarks | [annotation written on sheet; see also D. Isely, Mem. New York Bot. Gard. 25(3): 160. 1981.] [current name] |
| Family | Fabaceae |
| Determination | Lotus spencerae J. F. Macbride |
| Determination Remarks | [label name] |
| Family | Fabaceae |
| Determination | Syrmatium haydonii (Orcutt) A. Heller |
| Determination Remarks | [fide D. D. Sokoloff, 1998] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
