| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Scaphosepalum | Sppm | microdactylum | 1893 | Rolfe |
| Add+ | Scaphosepalum | Sppm | elasmatopus | 1913 | Schltr. |
| Add+ | Scaphosepalum | Sppm | pittieri | 1906 | Schltr. |
| Add+ | Scaphosepalum | Sppm | standleyi | 1925 | Ames |
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