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

Betula thori Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 35. 19 Feb 1926

species valid

Betula bryanii Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 34. 19 Feb 1926

species valid

Betula largei Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 34. 19 Feb 1926

species valid

Betula nanoides Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 34. 19 Feb 1926

species valid

Betula fairi Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 33. 19 Feb 1926

species valid

Salix bryanii Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 33. 19 Feb 1926

species valid

Salix inquirenda Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 32. 19 Feb 1926

species valid

Salix remotidens Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 32. 19 Feb 1926

species valid

Populus washingtonensis Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 31. 19 Feb 1926

species valid

Populus fairi Knowlt. Profess. Pap. U.S. Geol. Surv., 140(A): 30. 19 Feb 1926