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: 69811

species valid

Cissus cannonii Knowlt. Profess. Pap. U.S. Geol. Surv., (155): 113. 19 Jun 1930

species valid

Cissus coloradensis Knowlt., Cockerell in Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 176. 13 Feb 1920

species unavailable

Cissus laevigata Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 380. 1873

species valid

Ziziphus hesperia Knowlt. Profess. Pap. U.S. Geol. Surv., (155): 111. 19 Jun 1930

species valid

Ziziphus lesquereuxii Knowlt. Bull. U.S. Geol. Surv., (152): 246. Oct 1898

species valid

Ziziphus distorta Lesq. Rep. (Annual) U.S. Geol. Geogr. Surv. Territ., 1873, 7: 404. 1874

species valid

Rhamnus cannonii Knowlt. Profess. Pap. U.S. Geol. Surv., (155): 107. 19 Jun 1930

species valid

Rhamnus cleburnii Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 381. 1873

species valid

Rhamnus goldiana Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 381. 1873

species valid

Rhamnus praealaternoides Knowlt. Profess. Pap. U.S. Geol. Surv., (155): 103. 19 Jun 1930