Suprageneric

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Total: 4

supragenus valid

Order Williamsoniales E.W. Berry Pl. World, 19: 36-37. 10 Feb 1916

supragenus valid

Order Cycadeoideales E.W. Berry Pl. World, 19: 36. 10 Feb 1916

supragenus valid

Order Pseudoborniales E.W. Berry Rep. (Annual) Board Regents Smithsonian Inst., 1918 315. 30 Jun 1920

supragenus valid

Family Brachyphyllaceae E.W. Berry ex J.S. Penny Amer. J. Bot., 34(5): 287. 25 Jun 1947