Species

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Total: 5

species valid

Dadoxylon douglasense Steidtmann Amer. J. Bot., 21(7): 397. 5 Jul 1934

species valid

Medullosa noei Steidtmann Amer. J. Bot., 24(3): 125. 7 Apr 1937

species valid

Myeloxylon missouriense C.A. Arnold, Steidtmann Amer. J. Bot., 24(9): 644. 15 Nov 1937

species valid

Myeloxylon zonatum Steidtmann Contr. Mus. Paleontol. Univ. Michigan, 6(7): 156. 10 Feb 1944

species valid

Rotodontiospermum illinoense C.A. Arnold, Steidtmann Amer. J. Bot., 24(9): 647, 649. 15 Nov 1937