Suprageneric

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Total: 4

non-fossil supragenus valid

Family Abietaceae Gray Nat. Arr. Brit. Pl., 2: 222, 223. 10 Jan 1822

non-fossil supragenus valid

Family Betulaceae Gray Nat. Arr. Brit. Pl., 2: 222, 243. 10 Jan 1822

non-fossil supragenus valid

Family Ceratophyllaceae Gray Nat. Arr. Brit. Pl., 2: 395, 554. 10 Jan 1822

non-fossil supragenus valid

Family Taxaceae Gray Nat. Arr. Brit. Pl., 2: 222, 226. 10 Jan 1822