| Name | Sphaerotheca xanthii (Castagne) L. Junell |
| Authorship | (Castagne) L. Junell |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphaerotheca Léveillé |
| Citation | 1966 Svensk Bot. Tidskr. 60: 382 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphaerotheca xanthii (Castagne) L. Junell |
| Identification made in | 1984 (1) |