Smith system

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[]

Class 1. Chlorophyceae

Order 1. Volvocales

Family 1. Chlamydomonadaceae
Family 2. Volvocaceae

Order 2. Tetrasporales
Order 3. Ulotrichales

Family 1. Ulotrichaceae
Family 2. Microsporaceae
Family 3.
Family 4. Chaetophoraceae
Family 5.
Family 6.
Family 7. Trentepohliaceae

Order 4. Ulvales

Family 1. Ulvaceae
Family 2 Schizomeridaceae

Order 5.

Family

Order 6. Cladophorales

Family 1. Cladophoraceae
Family 2. Sphaeropleaceae

Order 7. Oedogoniales

Family Oedogoniaceae

Order 8. Zygnematales

Family 1. Zygnemataceae
Family 2. Mesotaeniaceae
Family 3. Desmidiaceae

Order 9. Chlorococcales

Family 1. Chlorococcaceae
Family 2. Endosphaeraceae
Family 3. Characiaceae
Family 4.
Family 5. Hydrodictyaceae
Family 6.
Family 7. Scenedesmaceae

Order 10.

Family 1. Bryopsidaceae
Family 2. Caulerpaceae
Family 3.
Family 4. Codiaceae
Family 5. Derbesiaceae
Family 6.
Family 7.

Order 11.

Family 1. Valoniaceae
Family 2. Dasycladaceae

Class 2. Charophyceae

Order Charales

Family Characeae

Division Euglenophyta[]

Order 1. Euglenales
Order 2. ()

Division Pyrrophyta[]

Class 1. Cryptophyceae
Class 2. Desmokontae
Class 3. Dinophyceae

Order 1. Gymnodiniales
Order 2. Peridiniales
Order 3.
Order 4.
Order 5.
Order 6.
Order 7.

Division Chrysophyta[]

Class 1. Xanthophyceae (Heterokontae)

Order 1.
Order 2.
Order 3.
Order 4.
Order 5.
Order 6.

Class 2. Chrysophyceae

Order 1.

Suborder 1.
Suborder 2.
Suborder 3.

Order 2.
Order 3.
Order 4.
Order 5. Chrysosphaerales

Class 3. Bacillariophyceae

Order 1. Centrales
Order 2. Pennales

Division Phaeophyta[]

Class 1.

Order 1. Ectocarpales
Order 2. Sphacelariales
Order 3. Tilopteridales
Order 4. Cutleriales
Order 5. Dictyotales

Class 2.

Subclass 1.

Order 1. Chordariales
Order 2. Sporochnales
Order 3. Desmarestiales

Subclass 2.

Order 1.
Order 2. Dictyosiphonales
Order 3. Laminariales

Class 3.

Order Fucales

Division Cyanophyta[]

Class Myxophyceae (Cyanophyceae)

Order 1. Chroococcales
Order 2.
Order 3. Hormogonales

Division Rhodophyta[]

Class Rhodophyceae

Subclass 1.

Order Bangiales

Subclass 2. Florideae

Order 1.
Order 2. Gelidiales
Order 3. Cryptonemiales
Order 4. Gigartinales
Order 5.
Order 6. Ceramiales

Division Myxothallophyta[]

Class 1.

Subclass 1.
Subclass 2.

Class 2.
Class 3. Acrasieae

Division Eumycetae[]

Class 1.

Order 1. Chytridiales

Family 1.
Family 2. Olpidiaceae
Family 3. Synchytriaceae
Family 4. Cladochytriaceae
Family 5.

Order 2. Blastocladiales
Order 3. Monoblepharidales
Order 4.
Order 5. Saprolegniales

Family 1. Saprolegniaceae
Family 2.
Family 3. Pythiaceae

Order 6. Peronosporales
Order 7. Mucorales
Order 8. Entomophthorales

Class 2. Ascomycetae

Subclass 1.
Subclass 2.

Order 1.
Order 2. Erysiphales
Order 3. Hysteriales
Order 4.
Order 5. Pezizales
Order 6.
Order 7.
Order 8.
Order 9. Hypocreales
Order 10.
Order 11.
Order 12. Laboulbeniales

Class 3.

Subclass 1.

Order 1. Agaricales ()
Order 2. Lycoperdales ()
Order 3. Dacryomycetales
Order 4. Tremellales
Order 5. Auriculariales

Subclass 2.

Order 1.
Order 2. Ustilaginales

Family 1. Ustilaginaceae
Family 2. Tilletiaceae

Class 4. Fungi imperfecti
Lichens

Subclass 1.
Subclass 2.

Division Bryophyta[]

Class 1. Hepaticae (liverworts)

Order 1. Sphaerocarpales

Family 1. Sphaerocarpaceae
Family 2. Riellaceae

Order 2. Marchantiales

Family 1. Ricciaceae
Family 2. Corsiniaceae
Family 3. Targioniaceae
Family 4. Monocleaceae
Family 5. Marchantiaceae

Order 3. Jungermanniales

Suborder 1.
Suborder 2.

Order 4. Calobryales

Class 2. Anthocerotae (hornworts)

Order 1. Anthocerotales

Class 3. Musci (mosses)

Subclass 1.
Subclass 2.
Subclass 3.

Division Psilophyta[]

Class 1. (psilophytes)

Order 1. Psilophytales

Family 1. Rhyniaceae
Family 2.
Family 3.
Family 4. Zosterophyllaceae
Family 5. Asteroxylaceae

Order 2. Psilotales

Division Lepidophyta[]

Class 1. (lycopods)

Order 1. Lycopodiales

Family 1.
Family 2. Lycopodiaceae

Order 2. Selaginellales

Family 1. Selaginellaceae
Family 2.

Order 3. Lepidodendrales

Family 1.
Family 2.
Family 3.
Family 4.

Order 4. Isoetales

Family 1. Pleuromeiaceae
Family 2. Isoetaceae

Division Calamophyta[]

Class 1. (horsetails)

Order 1.
Order 2. Sphenophyllales
Order 3. Equisetales

Family 1. Calamitaceae
Family 2. Equisetaceae

Division Pterophyta[]

Class 1. Filicinae (ferns)

Subclass 1. (or , , )

Order 1.

Family 1.
Family 2.

Order 2.

Family 1. Zygopteridaceae
Family 2.
Family 3.

Order 3. Archaeopteridales

Subclass 2.

Order 1. Ophioglossales
Order 2. Marattiales

Subclass 3. Leptosporangiatae

Order 1. Filicales

Family 1. Osmundaceae
Family 2. Schizaeaceae
Family 3. Gleicheniaceae
Family 4. Matoniaceae
Family 5. Dipteridaceae
Family 6. Hymenophyllaceae
Family 7. Cyatheaceae
Family 8. Dicksoniaceae
Family 9. Polypodiaceae
Family 10. Parkeriaceae

Order 2. Marsileales
Order 3. Salviniales