| Special Geographical Unit: | Gulf Islands National Seashore |
| Verbatim Directions to Locality: | W end of Santa Rosa Island at Gulf Islands Nat'l Seashore S of Ft. Pickens Rd, ca. 0.7 mi W of Battery Langdon. |
| Habitat: | in white sand of dunes in sea oats zone inland from primary dunes ridge. |
| Non digital information?: | N |