| Name | Calonectria macrospora Saccardo & Spegazzini | 
| Authorship | Saccardo & Spegazzini | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Calonectria | 
| Citation | 1878 Michelia 1(2): 251 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calonectria macrospora Saccardo & Spegazzini | 
| Identification made in | [no date] (1) |