| Classification | Asteraceae: Erigeron | 
| Harvard University Herbaria Barcode(s) | 00006841 | 
| Type Status | Syntype,  Lectotype | 
| Collector | E. W. Nelson | 
| Collector number | 2606 | 
| Country | Mexico | 
| State | Oaxaca | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Oaxaca | 
| Locality | From near San Mates del Mar | 
| Date Collected | 1895-05-16 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/23252dfc-ec48-4636-b4e9-8fea0e989141 | 
| Harvard University Herbaria Barcode | 00006841 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Syntype | 
| Syntype of | Erigeron oaxacanus Greenman | 
| Verified by | D.E. Boufford (A) | 
| Date Determined | 1983 | 
| Taxon Reference | (for  Erigeron oaxacanus Greenman) Proc. Amer. Acad. Arts 1905. 41: 257. | 
| Family | Asteraceae | 
| Type Status | Lectotype | 
| Lectotype of | Erigeron oaxacanus Greenman | 
| Verified by | G. L. Nesom & D. E. Boufford (A) | 
| Date Determined | 1990-12-** | 
| Taxon Reference | (for  Erigeron oaxacanus Greenman) Proc. Amer. Acad. Arts 1905. 41: 257. | 
| Family | Asteraceae | 
| Determination | Erigeron oaxacanus Greenman | 
| Determination Remarks | [label name] [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |