| Collector | Nee, M. |
| Number | 18323 |
| Collected with | B.F. Hansen |
| Country | Mexico |
| Subpart | Tamaulipas |
| County | |
| Locality | Mun. Santander Jiménez. Along hwy. Mex. 101, 37 km SW of (Santander) Jiménez |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 0/00/00 |
| End date | 0/00/00 |
| Family | Achatocarpaceae |
| Identification | Phaulothamnus spinescens A.Gray |
| Determined by | M. Nee |
| Identification qualifier | |
| Field notes | Mezquital. Grassy roadside and thorn scrub of spiny shrubs and trees to 7 m tall, many Leguminosae and few cacti. Arching shrub 4 m tall |
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