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: 70510

species valid

Rhamnus crenatula Knowlt., Cockerell in Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 545. 13 Feb 1920

species unavailable

Rhamnus crenata Lesq. Bull. Mus. Comp. Zool. Harvard Coll., 16(3): 55. Dec 1888

species valid

Callitris helvetica (Heer) R.S. LaMotte Mem. Geol. Soc. Amer., 51: 90. 20 Jun 1952

species valid

Athyrium crossii (Knowlt.) R.S. LaMotte Mem. Geol. Soc. Amer., 51: 79. 20 Jun 1952

species valid

Asclepias veterana (Heer) R.S. LaMotte Mem. Geol. Soc. Amer., 51: 78. 20 Jun 1952

species valid

Acerates veterana Heer Fl. Tert. Helv., 3(6): 20. Apr 1857

species valid

Acer tuckeri (H.V. Sm.) R.S. LaMotte Mem. Geol. Soc. Amer., 51: 57. 20 Jun 1952

species unavailable

Acer trilobum (Newb.) R.S. LaMotte Mem. Geol. Soc. Amer., 51: 57. 20 Jun 1952

species valid

Acer negundifolium (Dawson) R.S. LaMotte Mem. Geol. Soc. Amer., 51: 55. 20 Jun 1952

species valid

Crataegus engelhardtii Lesq. Bull. Mus. Comp. Zool. Harvard Coll., 16(3): 56. Dec 1888