| Name | Mannia californica (Gottsche ex Underwood) L. C. Wheeler |
| Authorship | (Gottsche ex Underwood) L. C. Wheeler |
| Rank | Species |
| Placed in | Mannia |
| Citation | 1935 Bryologist 37: 88 "1934" |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Mannia californica (Gottsche ex Underwood) L. C. Wheeler |
| Identification made in | [no date] (4) |