| Classification | Apiaceae |
| Harvard University Herbaria Barcode(s) | 00075905 |
| Type Status | Isotype |
| Collector | R. L. Hartman & A. Odasz |
| Collector number | 9200 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Big Horn County |
| Locality | Big Horn Mountains, ca. 7.3 air miles westnorthwest of Tyrrell Ranger Station, T49N R87W S19 |
| Date Collected | 1979-06-21 |
| Elevation | 2134 m |
| Verbatim Elevation | ELEV. 7000 FT. |
| Habitat | Sandstone ridge |
| Substrate | Sandstone ridge topped by limestone |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9ba32ff1-68a3-4562-9b7b-8e5a67c65aca |
| Harvard University Herbaria Barcode | 00075905 |
| Herbarium | GH |
| Family | Apiaceae |
| Determination | Cymopterus williamsii R. L. Hartman & Constance |
| Determination Remarks | [is label name] |
| Family | Apiaceae |
| Determination | Cymopterus williamsii R. L. Hartman & Constance |
| Determination Remarks | [is Current name] |
| Family | Apiaceae |
| Type Status | Isotype |
| Isotype of | Cymopterus williamsii R. L. Hartman & Constance |
| Verified by | Hartman, Ronald Lee & Odasz, A. |
| Date Determined | 1979-06-21 |
| Determination Remarks | [is filed under name] |
| Annotation Text | ISOTYPE |
| Taxon Reference | (for Cymopterus williamsii R. L. Hartman & Constance) Brittonia 1985. 37: 91. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
