| Collector | Madsen, J. E. |
| Number | 14 |
| Collected with | P. Taita, B. Sambou & S. Traoré |
| Country | Burkina Faso |
| Subpart | BOBO-DIOULASSO |
| County | |
| Locality | Forêt classée de la Mare aux Hippotames. Open savannah vegetation. |
| Coordinates | 11° 41' N 4° 7' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1994/11/27 |
| End date | 1994/11/28 |
| Family | Asteraceae |
| Identification | Ageratum conyzoides L. |
| Determined by | J. Boussim & P. Taita (OUAGA), 1995 |
| Identification qualifier | |
| Field notes | Herb, 50 cm high. Flowers blue. |
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