| Classification | Orobanchaceae: Orthocarpus |
| Classification 1 | Orobanchaceae: Castilleja |
| Harvard University Herbaria Barcode(s) | 00056081 |
| Type Status | Isotype |
| Collector | A. Eastwood & J. T. Howell |
| Collector number | 2518 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Sonoma County |
| Locality | 2 miles north of Windsor |
| Date Collected | 1936-05-19 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/88ce417c-ee87-453f-bbc5-027b6bcfb778 |
| Harvard University Herbaria Barcode | 00056081 |
| Herbarium | GH |
| Family | Orobanchaceae |
| Type Status | Isotype |
| Isotype of | Orthocarpus sonomensis Eastwood |
| Verified by | M. Egger |
| Taxon Reference | (for Orthocarpus sonomensis Eastwood) Leafl. W. Bot. 1938. 2: 104. |
| Family | Orobanchaceae |
| Determination | Castilleja ambigua Hooker & Arnott |
| Determined by | M. Egger |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |