| Name | Physcia sparsa Nylander |
| Authorship | Nylander |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Physcia (Schreber) Michaux |
| Citation | 1860 Syn. Meth. Lich. [Nylander] 1(2): 429 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Physcia sparsa Nylander |
| Identification made in | [no date] (1) |
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