Infraspecies

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Total: 33

infraspecies valid

Phoenicopsis angustifolia Forma media (Krasser) Nath. Zap. Imp. Akad. Nauk Fiz.-Mat. Otd., 21(2): 6. Mar 1907

infraspecies unavailable

Knorria [species epithet not defined] Forma confluens Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 38. 26 Aug 1902

infraspecies unavailable

Knorria [species epithet not defined] Forma sellonii Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 38. 26 Aug 1902

infraspecies valid

Archaeopteris roemeriana Forma crenato-lobata Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 21. 26 Aug 1902

infraspecies unavailable

Knorria [species epithet not defined] Forma acicularis Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 38. 26 Aug 1902

infraspecies valid

Archaeopteris roemeriana Forma conferta Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 21. 26 Aug 1902

infraspecies unavailable

Knorria [species epithet not defined] Forma calamitoides Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 38. 26 Aug 1902

infraspecies unavailable

Archaeopteris roemeriana Forma typica Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 21. 26 Aug 1902

infraspecies valid

Archaeopteris roemeriana Forma crenato-lobata-angustata Nath. Kongl. Svenska Vetensk. Acad. Handl., 36(3): 21. 26 Aug 1902

infraspecies valid

Ginkgo polaris Varietas pygmaea Nath. in Nansen Sci. Res. Norw. N. Polar Exp. 1893-1896, 1(Art. 3): 12. 1900

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