| Pinaceae |
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Pinus sect. Ponderosae
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| Pinaceae |
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Pinus ponderosa
| Douglas ex Lawson & C. Lawson | Agric. Monogr. U.S.D.A. 354 | 1836 |
| Pinaceae |
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Pinus ponderosa subsp. arizonica
| (Engelm.) A.E. Murray | Kalmia 12: 23 | 1982 |
| Pinaceae |
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Pinus ponderosa var. arizonica
| (Engelm.) Shaw | Pines Mex. 24 | 1909 |
| Pinaceae |
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Pinus ponderosa var. benthamiana
| Vasey | Cat. For. Trees U.S. 30(1875): 178 | 1876 |
| Pinaceae |
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Pinus ponderosa var. brachyptera
| (Engelm.) Lemmon | Calif. State Board Forest Bienn. Rep. [Pines Pacific Slope] 2: 73, 98 | 1888 |
| Pinaceae |
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Pinus ponderosa subsp. coulteri
| (Lamb. ex D. Don) A.E. Murray | Kalmia 12: 23 | 1982 |
| Pinaceae |
*
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Pinus ponderosa subsp. jeffreyi
| (Balf.) A.E. Murray | Kalmia 12: 23 | 1982 |
| Pinaceae |
!
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Pinus ponderosa subsp. jeffreyi
| (Balf.) Engelm. | Trans. St. Louis Acad. Sci. 4: 177 | 1880 |
| Pinaceae |
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Pinus ponderosa var. jeffreyi
| Balf. ex Vasey | Leafl. Dept. Agric. 31 | 1875 |
| Pinaceae |
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Pinus ponderosa var. macrophylla
| (Engelm.) Shaw | Pines Mex. 24 | 1909 |
| Pinaceae |
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Pinus ponderosa var. malletii
| Beissn. | Mitt. Deutsch. Dendrol. Ges. 1907(16): 105 | 1907 |
| Pinaceae |
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Pinus ponderosa var. mayriana
| (Sudw.) Sarg. | Silva 11: 81 | 1897 |
| Pinaceae |
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Pinus ponderosa var. nigricans
| (Lemmon) Lemmon | Calif. State Board Forest. Bull. 7: 8 | 1889 |
| Pinaceae |
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Pinus ponderosa var. parryana
| (Gordon & Glend.) Rob. | Fl. & Sylva 3: 104 | 1905 |
| Pinaceae |
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Pinus ponderosa var. pendula
| Sarg. | Gard. Chron., n.s., 10: 236, f. 42 | 1878 |
| Pinaceae |
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Pinus ponderosa var. penduliformis
| Sudw. | U.S.D.A. Div. Forest Bull. 14: 21 | 1897 |
| Pinaceae |
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Pinus ponderosa var. ponderosa
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| Pinaceae |
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Pinus ponderosa subsp. scopulorum
| (Engelm.) W.A. Weber | Phytologia 51(6): 374 | 1982 |
| Pinaceae |
!
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Pinus ponderosa subsp. scopulorum
| (Engelm.) A.E. Murray | Kalmia 12: 23 | 1982 |
| Pinaceae |
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Pinus ponderosa var. scopulorum
| Engelm. | Bot. California 2: 126 | 1880 |
| Pinaceae |
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Pinus ponderosa var. stormiae
| (Martínez) Silba | Phytologia 68: 59 | 1990 |
| Pinaceae |
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Pinus ponderosa subsp. washoensis
| (H. Mason & Stockw.) A.E. Murray | Kalmia 12: 23 | 1982 |