| Classification | Orobanchaceae: Orobanche |
| Barcode(s) | 00071675 |
| Type Status | Holotype |
| Collector | J. C. Nelson |
| Collector number | 2479 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Marion County |
| Locality | 1 mile north of Salem |
| Date Collected | 1918-10-18 |
| Habitat | Low meadow |
| Container | Plants of Oregon |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/eea0b887-b5d9-43cb-9902-1e733773c388 |
| Harvard University Herbaria Barcode | 00071675 |
| Herbarium | GH |
| Family | Orobanchaceae |
| Type Status | Holotype |
| Holotype of | Orobanche grayana var. nelsonii Munz |
| Verified by | Collins, L. Turner, Colwell, Alison E. L. & Yatskievych, George A. |
| Date Determined | 2015 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Orobanche grayana var. nelsonii Munz) Bull. Torrey Bot. Club 1931. 57: 616. |
| Family | Orobanchaceae |
| Determination | Orobanche californica subsp. grayana (Beck) Heckard |
| Determined by | Collins, L. Turner, Colwell, Alison E. L. & Yatskievych, George A. |
| Date Determined | 2015 |
| Determination Remarks | [current name] |
| Family | Orobanchaceae |
| Determination | Orobanche californica subsp. grayana (Beck) Heckard |
| Determined by | Heckard, Lawrence Ray |
| Date Determined | 1969 |
| Annotation Text | Holotype |
| Family | Orobanchaceae |
| Determination | Orobanche comosa Wallroth |
| Determined by | Munz, Philip Alexander |
| Date Determined | 1929-12-** |
| Annotation Text | var. Nelsonii [ined.] Type |
| Family | Orobanchaceae |
| Determination | Orobanche grayana Beck |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |