| gnathophyllum americanum | | usa: hawaii, oahu, kaneohe bay, nw of ahu'olaki island (the sand bar) | | 1934895320 |
| gnathophyllum americanum | | usa: hawaii, oahu, kaneohe bay, kapapa island, ne side | | 1934895562 |
| gnathophyllum americanum | | usa: hawaii, oahu, kaneohe bay, ahu'olaki island, s end | | 1934894850 |