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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Total: 70822

species valid

Credneria protophylloides Knowlt. Profess. Pap. U.S. Geol. Surv., 1917, 101: 267. May 1918

species valid

Artocarpus dissectus Knowlt. Profess. Pap. U.S. Geol. Surv., 1917, 101: 267. May 1918

species valid

Ficus curta Knowlt. Profess. Pap. U.S. Geol. Surv., 1917, 101: 266. May 1918

species valid

Asplenium coloradense Knowlt. Profess. Pap. U.S. Geol. Surv., 1917, 101: 264. May 1918

species valid

Pteris russellii Newb. Proc. U.S. Natl. Mus., 1882, 5: 503. 28 Feb 1883

species valid

Delesseria incrassata Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 374. 1873

species valid

Chondrites subsimplex Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 373. 1873

species valid

Helminthoida vaga E.O. Ulrich Harriman Alaska Exped., 4: 143. 18 Feb 1904

species valid

Helminthoida subcrassa E.O. Ulrich Harriman Alaska Exped., 4: 142. 18 Feb 1904

species valid

Helminthoida exacta E.O. Ulrich Harriman Alaska Exped., 4: 142. 18 Feb 1904