Species

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Total: 95

species valid

Hostinella crispa C.A. Arnold Contr. Mus. Paleontol. Univ. Michigan, 5(11): 290. 1 Jul 1939

species valid

Hyenia banksii C.A. Arnold Contr. Mus. Paleontol. Univ. Michigan, 6(3): 55. 1 Oct 1941

species valid

Iridopteris eriensis C.A. Arnold Amer. J. Bot., 27(2): 57. 22 Mar 1940

species valid

Knorria chemungensis (J. Hall) C.A. Arnold Contr. Mus. Paleontol. Univ. Michigan, 5(11): 283. 1 Jul 1939

species valid

Koelreuteria oregonensis C.A. Arnold Palaeobotanist, 1: 77. Jul 1952

species valid

Lagenicula rugosa (Loose in R. Potonié) C.A. Arnold Contr. Mus. Paleontol. Univ. Michigan, 8(5): 82. 2 Jun 1950

species valid

Lagenicula saccata C.A. Arnold Contr. Mus. Paleontol. Univ. Michigan, 8(5): 85. 2 Jun 1950

species valid

Lagenospermum imparirameum C.A. Arnold Bull. Torrey Bot. Club, 66(5): 297. 4 May 1939

species valid

Lecrosia gouldii C.A. Arnold in Florin Palaeontographica, Abt. B, Paläophytol., 85(5): 317. 1940

species valid

Lepidocarpon cultriforme (Lesq.) C.A. Arnold Contr. Mus. Paleontol. Univ. Michigan, 7(9): 175. 29 Dec 1949

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