Species

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Total: 336

species valid

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

species valid

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

species valid

Hyenia rhizoides Nath. Bergens Mus. Årbog (Årbok), 1914-1915, (3 [Art. 9]): 24. 1915

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 unavailable

Psygmophyllum pusillum Nath. Bull. Geol. Inst. Univ. Upsala, 18: 5. 24 Sep 1920

species valid

Thursophyton milleri (J.W. Salter) Nath. ex E. Arber Dev. Fl. 30. 20 Jan 1921

species valid

Zamites heeri Nath. in Seward Ann. Soc. Géol. Belgique, Mém. in 4°, 5(1): 255. 1925

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