| Nautilocalyx pictus (Hook.) Sprague | | | | 3687590 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 02595034 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 02681439 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 03060732 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 03075421 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 03075456 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 04019386 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 04019394 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 02680019 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 02679979 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 02880199 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 03575075 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 3687583 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 3687586 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 3687588 |  |
| Nautilocalyx pictus (Hook.) Sprague | | | | 3687589 |  |
| Nautilocalyx pictus (Hook.) Sprague | B. Maguire 42571 | Venezuela. Amazonas. Cerro de la Neblina, Rio Yatua, just north of Camp 3. | | 3687585 |  |
| Nautilocalyx pictus (Hook.) Sprague | H. S. Irwin 47174
27 Jul 1960 | Brazil. Amapá. | | 01212154 |  |
| Nautilocalyx pictus (Hook.) Sprague | J. M. Pires 50278
29 Jul 1961 | Brazil. Amapá. | | 01212157 |  |
| Nautilocalyx pictus (Hook.) Sprague | W. A. Egler 46494a
17 Aug 1961 | Brazil. Amapá. | | 01212155 |  |