| Classification | Asteraceae: Ageratum |
| Harvard University Herbaria Barcode(s) | 00057954 |
| Type Status | Holotype, Syntype |
| Collector | W. C. Steere |
| Collector number | 2125 |
| Country | Mexico |
| State | Yucatán |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Yucatán |
| Locality | Muna |
| Date Collected | 1932-07-22 - 1932-07-23 |
| Habitat | On rocks on high ridge |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a2083c73-30c8-4b3a-af09-f59a049522bd |
| Harvard University Herbaria Barcode | 00057954 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Ageratum gaumeri f. fallax B. L. Robinson |
| Verified by | M. F. Johnson |
| Date Determined | 1967 |
| Taxon Reference | (for Ageratum gaumeri f. fallax B. L. Robinson) Contr. Gray Herb. 1934. 104: 4. |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Ageratum gaumeri f. fallax B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum gaumeri f. fallax B. L. Robinson) Contr. Gray Herb. 1934. 104: 4. |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Ageratum gaumeri f. fallax B. L. Robinson |
| Verified by | D. E. Boufford |
| Date Determined | 1981 |
| Taxon Reference | (for Ageratum gaumeri f. fallax B. L. Robinson) Contr. Gray Herb. 1934. 104: 4. |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Ageratum gaumeri f. fallax B. L. Robinson |
| Verified by | H. Robinson |
| Date Determined | 1996 |
| Taxon Reference | (for Ageratum gaumeri f. fallax B. L. Robinson) Contr. Gray Herb. 1934. 104: 4. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
