Smith system
A system of taxonomy of the cryptogams, the Smith system was published in- Class 1. Chlorophyceae
- Class 2. Charophyceae
- Class 1. Cryptophyceae
- Class 2. Desmokontae
- Class 3. Dinophyceae
- Class 1. Xanthophyceae
- Class 2. Chrysophyceae
- Class 3. Bacillariophyceae
- Class 1. Isogeneratae
- Class 2. Heterogeneratae
- Class 3. Cyclosporeae
- Class Myxophyceae
- Class Rhodophyceae
Division Myxothallophyta
- Class 1. Myxomycetae
- Class 2. Phytomyxinae
- Class 3. Acrasieae
Division Eumycetae
- Class 1. Phycomycetae
- Class 2. Ascomycetae
- Class 3. Basidiomycetae
- Class 4. Fungi imperfecti
- Lichens
- Class 1. Hepaticae
- Class 2. Anthocerotae
- Class 3. Musci
- Class 1. Psilophytinae
Division Lepidophyta
- Class 1. Lycopodinae
- Class 1. Equisetinae
- Class 1. Filicinae
