| Name | Physosiphon tubatus (G. Loddiges) H. G. Reichenbach |
| Authorship | (G. Loddiges) Reichenbach f. |
| Rank | Species |
| Placed in | Physosiphon |
| Citation | 1861 Ann. Bot. Syst. [Walpers] 6(2): 188 |
| Holdings | 65 Specimens held in the Harvard University Herbaria identified as Physosiphon tubatus (G. Loddiges) H. G. Reichenbach |
| Identification made in | [no date] (64), 1940 (1) |