| Name | Arachnothryx chiapensis (Brandegee) Borhidi |
| Authorship | (Brandegee) Borhidi |
| Rank | Species |
| Placed in | Arachnothryx Planchon |
| Citation | 2001 Acta Bot. Hung. 43(1–2): 42 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arachnothryx chiapensis (Brandegee) Borhidi |
| Identification made in | 2016 (2) |