| Name | Pinus ponderosa subsp. benthamii (Hartweg) Silba |
| Authorship | (Hartweg) Silba |
| Rank | Subspecies |
| Placed in | Pinus ponderosa P. Lawson & C. Lawson |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pinus ponderosa subsp. benthamii (Hartweg) Silba |
| Identification made in | [no date] (2) |
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