Species

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Total: 336

species valid

Broeggeria norvegica Nath. Bergens Mus. Årbog (Årbok), 1914-1915, (3 [Art. 9]): 21. 1915

species valid

Psygmophyllum kolderupii Nath. Bergens Mus. Årbog (Årbok), 1914-1915, (3 [Art. 9]): 25. 1915

species valid

Hyenia sphenophylloides Nath. Bergens Mus. Årbog (Årbok), 1914-1915, (3 [Art. 9]): 22. 1915

species unavailable

Thursophyton milleri (J.W. Salter) Nath. Bergens Mus. Årbog (Årbok), 1914-1915, (3 [Art. 9]): 17. 1915

species valid

Pityophyllum staratschinii (Heer) Nath. ex Seward Trudy Geol. Komit., N. Ser., (75): 25. 18 Jul 1912

species valid

Cephalopteris affinis Nath. Bull. Geol. Inst. Univ. Upsala, 10(19-20): 277. 1910

species valid

Cephalopteris mirabilis Nath. Bull. Geol. Inst. Univ. Upsala, 10(19-20): 277. 1910

species valid

Cephalopteris major Nath. Bull. Geol. Inst. Univ. Upsala, 10(19-20): 277. 1910

species valid

Pityolepis tollii Nath. Zap. Imp. Akad. Nauk Fiz.-Mat. Otd., 21(2): 8. Mar 1907

species valid

Lyginodendron sverdrupii Nath. Rept. Sec. Norweg. Arct. Exped. "Fram", 1898-1902, 1(1): 11. Aug 1904

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