The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2025

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Paleoregion

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Total: 70518

species valid

Cercis spokanensis Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 43. 19 Feb 1926

species valid

Sophora alexanderi Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 43. 19 Feb 1926

species valid

Prunus rustii Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 43. 19 Feb 1926

species valid

Ulmus fernquistii Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 39. 19 Feb 1926

species unavailable

Quercus obtusa Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 38. 19 Feb 1926

species valid

Quercus chaneyi Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 38. 19 Feb 1926

species valid

Quercus praenigra Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 37. 19 Feb 1926

species valid

Quercus spokanensis Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 37. 19 Feb 1926

species valid

Quercus rustii Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 36. 19 Feb 1926

species valid

Quercus cognata Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 36. 19 Feb 1926