Species

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Total: 282

species valid

Abietites cretaceus Newb. Monogr. U.S. Geol. Surv., 1898, 35: 18. Apr 1899

species valid

Acerites pristinus Newb. Ann. Lyceum Nat. Hist. New York, 9(Art. 1): 15. Apr 1868

species valid

Acrostichum hesperium Newb. Proc. U.S. Natl. Mus., 1882, 5: 503. 28 Feb 1883

species unavailable

Adiantites lesquereuxii Newb. Ann. Sci. (Cleveland), 1(9): 106. 15 Feb 1853

species unavailable

Adiantites rotundilobus Newb. Ann. Sci. (Cleveland), 1(9): 106. 15 Feb 1853

species unavailable

Alethopteris gracilis Newb. Ann. Sci. (Cleveland), 1(9): 107. 15 Feb 1853

species unavailable

Alethopteris grandifolia Newb. Ann. Sci. (Cleveland), 1(9): 107. 15 Feb 1853

species valid

Alethopteris macrophylla Newb.

species valid

Alnites grandifolius Newb. in Lesq. Rept. U.S. Geol. Surv. Territ., 1883, 8: 36. Jan 1885

species unavailable

Alnites grandifolius Newb. Ann. Lyceum Nat. Hist. New York, 9(Art. 1): 9. Apr 1868

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