| Classification | Asteraceae |
| Classification 1 | Asteraceae: Helianthus |
| Classification 2 | Asteraceae: Pappobolus |
| Classification 3 | Asteraceae: Helianthus |
| Harvard University Herbaria Barcode(s) | 00010870 |
| Type Status | Isolectotype, Isotype |
| Collector | A. Mathews |
| Collector number | 3061 |
| Country | Peru |
| Geography | South America: South America (Region) (Region): Peru |
| Date Collected | 1862 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9cf0e599-f912-478c-8d04-c5de9744f411 |
| Harvard University Herbaria Barcode | 00010870 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Helianthus |
| Determined by | S. F. Blake |
| Date Determined | 1917 |
| Determination Remarks | Written on sheet |
| Family | Asteraceae |
| Determination | Helianthus matthewsii Hochreutiner |
| Determined by | C. B. Heiser |
| Date Determined | 1955 |
| Annotation Text | Isotype |
| Family | Asteraceae |
| Determination | Pappobolus matthewsii var. matthewsii |
| Determined by | J. L. Panero (TENN) |
| Date Determined | 1990 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Isolectotype |
| Isolectotype of | Helianthus matthewsii Hochreutiner |
| Verified by | J. L. Panero (TENN) |
| Date Determined | 1990 |
| Taxon Reference | (for Helianthus matthewsii Hochreutiner) Bull. New York Bot. Gard. 1910. 6: 296. |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Helianthus matthewsii Hochreutiner |
| Verified by | C. B. Heiser |
| Date Determined | 1955 |
| Determination Remarks | This is an isosyntype not an isotype |
| Taxon Reference | (for Helianthus matthewsii Hochreutiner) Bull. New York Bot. Gard. 1910. 6: 296. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
