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: 68239

species unavailable

Ziziphus minuta Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 661. 13 Feb 1920

species valid

Ziziphus corrugata Knowlt. Profess. Pap. U.S. Geol. Surv., 130: 158. Nov 1922

species unavailable

Ziziphus corrugata Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 660. 13 Feb 1920

species unavailable

Ziziphus hendersonii Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 660. 13 Feb 1920

species valid

Ziziphus hendersonii Knowlt. Profess. Pap. U.S. Geol. Surv., 130: 157. Nov 1922

species valid

Ziziphus coloradensis Knowlt. Profess. Pap. U.S. Geol. Surv., 130: 157. Nov 1922

species unavailable

Ziziphus coloradensis Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 660. 13 Feb 1920

species valid

Palaeoaster similis Knowlt. Profess. Pap. U.S. Geol. Surv., 130: 168. Nov 1922

species unavailable

Palaeoaster similis Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 427. 13 Feb 1920

species valid

Rhamnus pealei Knowlt. Profess. Pap. U.S. Geol. Surv., 130: 156. Nov 1922