| Name | Riccia campbelliana M. Howe |
| Authorship | M. Howe |
| Rank | Species |
| Placed in | Riccia |
| Citation | 1899 Mem. Torrey Bot. Club 7: 26 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Riccia campbelliana M. Howe |
| Identification made in | [no date] (7) |
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