A system of taxonomy of the cryptogams
A system of taxonomy of the cryptogams, the Smith system was published in:
- Smith, G.M. (1938). Cryptogamic Botany, vol. 1. Algae and fungi. McGraw-Hill, New York.
- Smith, G.M. (1955). Cryptogamic Botany, vol. 2. Bryophytes and pteridophytes. 2nd ed. McGraw-Hill, New York.
Division Chlorophyta
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Division Euglenophyta
Division Pyrrophyta
Division Chrysophyta
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Division Phaeophyta
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Division Cyanophyta
Division Rhodophyta
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Division Myxothallophyta
Division Eumycetae
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Division Bryophyta
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Division Psilophyta
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Division Lepidophyta
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Division Calamophyta
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Division Pterophyta
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