| Name | Pinus ponderosa var. arizonica (Engelmann) Shaw |
| Authorship | (Engelmann) Shaw |
| Rank | Variety |
| Placed in | Pinus ponderosa P. Lawson & C. Lawson |
| Citation | 1909 Pines Mexico 24 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Pinus ponderosa var. arizonica (Engelmann) Shaw |
| Identification made in | [no date] (2), 1989 (18) |
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