| Classification | Asteraceae: Trigonospermum |
| Harvard University Herbaria Barcode(s) | 00013245 |
| Type Status | Lectotype |
| Collector | E. W. Nelson |
| Collector number | 2393 |
| Country | Mexico |
| State | Oaxaca |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Oaxaca |
| Locality | From Panixtlahuaca to Jaquila; altitude 1,000 ft. |
| Date Collected | 1895-02-26 |
| Elevation | 304 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7d1730e8-c27a-4b9b-bff8-d4a3e4ac7774 |
| Harvard University Herbaria Barcode | 00013245 |
| Herbarium | GH |
| Previous ownership | Ex US |
| Family | Asteraceae |
| Type Status | Lectotype |
| Lectotype of | Trigonospermum tomentosum B. L. Robinson & Greenman |
| Verified by | Harvard University Herbaria LAPI Team |
| Date Determined | 2008-10-24 |
| Taxon Reference | (for Trigonospermum tomentosum B. L. Robinson & Greenman) Proc. Amer. Acad. Arts 1896. 32: 44. |
| Family | Asteraceae |
| Determination | Trigonospermum melampodioides de Candolle |
| Determined by | R. McVaugh (MICH) & C. W. Laskowski (MICH) |
| Date Determined | 1967 |
| Determination Remarks | [current name] |
| Annotation Text | 2393; in DC. Prodr. 5: 509. 1836.; Lectotype of T. tomentosum R. & G. |
| Family | Asteraceae |
| Determination | Trigonospermum tomentosum B. L. Robinson & Greenman |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | InQuestion Trigonospermum melampodioides de Candolle |
| Determination Remarks | Pencilled on sheet |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Mounted in the lower right of sheet with another type, Nelson 617, in the upper left (barcode 257713) |
