| Name | Cystoderma ponderosum A. H. Smith & Singer |
| Authorship | A. H. Smith & Singer |
| Rank | Species |
| Placed in | Cystoderma |
| Citation | 1945 ["1944"] Pap. Michigan Acad. Sci. 30: 92-94 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cystoderma ponderosum A. H. Smith & Singer |
| Identification made in | [no date] (2) |
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