| Classification | Liliaceae: Trillium |
| Harvard University Herbaria Barcode(s) | 00030144 |
| Type Status | Isotype |
| Collector | J. M. Bigelow |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | Mammoth Grove, [wet ravines] |
| Date Collected | [[15 May]] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/875dad4a-0be6-4242-906f-8ac0bb50a186 |
| Harvard University Herbaria Barcode | 00030144 |
| Herbarium | GH |
| Family | Liliaceae |
| Type Status | Isotype |
| Isotype of | Trillium sessile var. angustipetalum Torrey |
| Taxon Reference | (for Trillium sessile var. angustipetalum Torrey) Pacific Railr. Rep. 4, Pt. 5, No. 4 (Whipple) 1857. 151. |
| Family | Liliaceae |
| Determination | Trillium angustipetalum (Torrey) J. D. Freeman |
| Determined by | J. D. Freeman |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |