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: 69595

species valid

Cinnamomum hesperium Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 88. 22 Aug 1917

species valid

Ficus fremontii Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 87. 22 Aug 1917

species valid

Quercus stantonii Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 86. 22 Aug 1917

species valid

Salix frontierensis Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 86. 22 Aug 1917

species valid

Salix cumberlandensis Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 86. 22 Aug 1917

species valid

Myrica nervosa Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 85. 22 Aug 1917

species valid

Smilax coloradensis Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 85. 22 Aug 1917

species valid

Anemia fremontii Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 84. 22 Aug 1917

species valid

Asplenium occidentale Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 84. 22 Aug 1917

species valid

Dryopteris coloradensis Knowlt. Profess. Pap. U.S. Geol. Surv., 108(F): 83. 22 Aug 1917