| Collector | Madsen, J. E. |
| Number | 4045 |
| Collected with | H. Borgtoft |
| Country | Senegal |
| Subpart | SAINT-LOUIS |
| County | |
| Locality | Just N of Saint Louis. Dry thickets on salty soils. |
| Coordinates | 15° 58' N 16° 28' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1995/03/20 |
| End date | 1995/03/20 |
| Family | Amaranthaceae |
| Identification | Arthrocaulon macrostachyum (Moric.) Piirainen & G.Kadereit |
| Determined by | G.Kadereit |
| Identification qualifier | |
| Field notes | Succulent herb, to 60 cm high and 1 m wide. Very abundant. |
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