| Name | Ipomoea orizabensis var. collina (House) J. A. McDonald |
| Authorship | (House) J. A. McDonald |
| Rank | Variety |
| Placed in | Ipomoea orizabensis (G. Pelletan) Ledebour ex Steudel |
| Citation | 2001 Lundellia 4: 87 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ipomoea orizabensis var. collina (House) J. A. McDonald |
| Identification made in | [no date] (3) |
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