| Classification | Asteraceae: Trichogonia | 
| Harvard University Herbaria Barcode(s) | 00013195 | 
| Type Status | Syntype | 
| Collector | E. Hassler | 
| Collector number | 8739 | 
| Country | Paraguay | 
| Geography | South America: South America (Region) (Region): Paraguay | 
| Locality | Cordillera de Villa-Rica | 
| Date Collected | 1905-01-** | 
| Habitat | In regione collium | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b3ab663a-6e42-4561-8175-925fe4fad6fe | 
| Harvard University Herbaria Barcode | 00013195 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Syntype | 
| Syntype of | Trichogonia menthaefolia f. attenuata A. Hassler | 
| Verified by | D. E. Boufford (A) | 
| Date Determined | 1981 | 
| Taxon Reference | (for  Trichogonia menthaefolia f. attenuata A. Hassler) Repert. Spec. Nov. Regni Veg. 1916. 14: 291. | 
| Family | Asteraceae | 
| Type Status | Syntype | 
| Syntype of | Trichogonia hassleri Mattfeld | 
| Verified by | D. E. Boufford (A) | 
| Date Determined | 1981 | 
| Taxon Reference | (for  Trichogonia hassleri Mattfeld) Notizbl. Bot. Gart. Berlin-Dahlem 1923. 8: 449. | 
| Family | Asteraceae | 
| Determination | Trichogonia hassleri Mattfeld | 
| Determination Remarks | Pencilled on sheet [current name] | 
| Annotation Text | Notizbl. viii. 449 (1923) | 
| Family | Asteraceae | 
| Determination | Trichogonia menthaefolia f. cordata Hassler | 
| Determination Remarks | [label name] | 
| Annotation Text | Trichogonia menthaefolia Gardn. var. tomentosula Hass., f. cordata Hass. fide Hassler, Fedde, Rep. 14: 292. 1916. forma cordata Hassler | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Item Remarks | Specimen serves as a type for two species names. |