| Name | Selenodesmium siamense (Christ) Ching & Chu H. Wang |
| Authorship | (Christ) Ching & Chu H. Wang |
| Rank | Species |
| Placed in | Selenodesmium |
| Citation | 1959 Acta Phytotax. Sin. 8(2): 138 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Selenodesmium siamense (Christ) Ching & Chu H. Wang |
| Identification made in | [no date] (1) |