| Type | PARATYPE |
| Catalogue # | OSUM 32479 |
| Locality | E end of airport runway, Chub Cay, Berry Islands, Bahamas |
| Collector(s) | T. Watters |
| Date collected | 18 May 2007 |
| # Specimens | 1 dry |
| Description | Novapex 11: 3-4 |
| Remarks | |
| Current status | Opisthosiphon simpsoni williamsae Watters & Duffy, 2010 |