| Name | Microsphaera penicillata var. alni (de Candolle) Cooke & Peck |
| Authorship | (de Candolle) Cooke & Peck |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Microsphaera penicillata (Wallroth) Léveillé |
| Citation | 1872 J. Bot. 10: 171 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Microsphaera penicillata var. alni (de Candolle) Cooke & Peck |
| Identification made in | [no date] (1) |
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