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. Cylindrocapsaceae

:::*Family 4. Chaetophoraceae

:::*Family 5. Protococcaceae

:::*Family 6. Coleochaetaceae

:::*Family 7. Trentepohliaceae

:*Order 4. Ulvales

:::*Family 1. Ulvaceae

:::*Family 2 Schizomeridaceae

:*Order 5. Schizogoniales

:::*Family Schizogoniaceae

:*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. Protosiphonaceae

:::*Family 5. Hydrodictyaceae

:::*Family 6. Oöcystaceae

:::*Family 7. Scenedesmaceae

:*Order 10. Siphonales

:::*Family 1. Bryopsidaceae

:::*Family 2. Caulerpaceae

:::*Family 3. Halicystaceae

:::*Family 4. Codiaceae

:::*Family 5. Derbesiaceae

:::*Family 6. Vaucheriaceae

:::*Family 7. Phyllosiphonaceae

:*Order 11. Siphonocladiales

:::*Family 1. Valoniaceae

:::*Family 2. Dasycladaceae

• Class 2. Charophyceae

:*Order Charales

:::*Family Characeae

Division Euglenophyta

:*Order 1. Euglenales

:*Order 2. Colaciales (Euglenocapsales)

Division Pyrrophyta

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

:*Order 1. Gymnodiniales

:*Order 2. Peridiniales

:*Order 3. Dinophysidales

:*Order 4. Rhyzodiniales

:*Order 5. Dinocapsales

:*Order 6. Dinotrichales

:*Order 7. Dinococcales

Division Chrysophyta

• Class 1. Xanthophyceae (Heterokontae)

:*Order 1. Heterochloridales

:*Order 2. Rhizochloridales

:*Order 3. Heterocapsales

:*Order 4. Heterotrichales

:*Order 5. Heterococcales

:*Order 6. Heterosiphonales

• Class 2. Chrysophyceae

:*Order 1. Chrysomonadales

::*Suborder 1. Cromulinae

::*Suborder 2. Isochrysidineae

::*Suborder 3. Ochromonadineae

:*Order 2. Rhizochrysidales

:*Order 3. Chrysocapsales

:*Order 4. Chrysotrichales

:*Order 5. Chrysosphaerales

• Class 3. Bacillariophyceae

:*Order 1. Centrales

:*Order 2. Pennales

Division Phaeophyta

• Class 1. Isogeneratae

:*Order 1. Ectocarpales

:*Order 2. Sphacelariales

:*Order 3. Tilopteridales

:*Order 4. Cutleriales

:*Order 5. Dictyotales

• Class 2. Heterogeneratae

*Subclass 1. Haplostichineae

:*Order 1. Chordariales

:*Order 2. Sporochnales

:*Order 3. Desmarestiales

*Subclass 2. Polystichineae

:*Order 1. Punctariales

:*Order 2. Dictyosiphonales

:*Order 3. Laminariales

• Class 3. Cyclosporeae

:*Order Fucales

Division Cyanophyta

• Class Myxophyceae (Cyanophyceae)

:*Order 1. Chroococcales

:*Order 2. Chamaesiphonales

:*Order 3. Hormogonales

Division Rhodophyta

• Class Rhodophyceae

*Subclass 1. Bangioideae

:*Order Bangiales

*Subclass 2. Florideae

:*Order 1. Nemalionales

:*Order 2. Gelidiales

:*Order 3. Cryptonemiales

:*Order 4. Gigartinales

:*Order 5. Rhodymeniales

:*Order 6. Ceramiales

Division Myxothallophyta

• Class 1. Myxomycetae

*Subclass 1. Endosporeae

*Subclass 2. Exosporeae

• Class 2. Phytomyxinae
• Class 3. Acrasieae

Division Eumycetae

• Class 1. Phycomycetae

:*Order 1. Chytridiales

:::*Family 1. Rhizidiaceae

:::*Family 2. Olpidiaceae

:::*Family 3. Synchytriaceae

:::*Family 4. Cladochytriaceae

:::*Family 5. Woroninaceae

:*Order 2. Blastocladiales

:*Order 3. Monoblepharidales

:*Order 4. Ancylistales

:*Order 5. Saprolegniales

:::*Family 1. Saprolegniaceae

:::*Family 2. Leptomitaceae

:::*Family 3. Pythiaceae

:*Order 6. Peronosporales

:*Order 7. Mucorales

:*Order 8. Entomophthorales

• Class 2. Ascomycetae

*Subclass 1. Protoascomycetae

*Subclass 2. Euascomycetae

:*Order 1. Aspergillales

:*Order 2. Erysiphales

:*Order 3. Hysteriales

:*Order 4. Phacidiales

:*Order 5. Pezizales

:*Order 6. Tuberales

:*Order 7. Helvellales

:*Order 8. Exoascales

:*Order 9. Hypocreales

:*Order 10. Sphaeriales

:*Order 11. Dothidiales

:*Order 12. Laboulbeniales

• Class 3. Basidiomycetae

*Subclass 1. Eubasidii

:*Order 1. Agaricales (Hymenomyceatae)

:*Order 2. Lycoperdales (Gasteromycetae)

:*Order 3. Dacryomycetales

:*Order 4. Tremellales

:*Order 5. Auriculariales

*Subclass 2. Hemibasidii

:*Order 1. Urediniales

:*Order 2. Ustilaginales

:::*Family 1. Ustilaginaceae

:::*Family 2. Tilletiaceae

• Class 4. Fungi imperfecti
• Lichens

*Subclass 1. Ascholichenes

*Subclass 2. Basidiolichenes

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. Metzgerineae

::*Suborder 2. Jungermannineae

:*Order 4. Calobryales

• Class 2. Anthocerotae (hornworts)

:*Order 1. Anthocerotales

• Class 3. Musci (mosses)

*Subclass 1. Sphagnobrya

*Subclass 2. Andreaeobrya

*Subclass 3. Eubrya

Division Psilophyta

• Class 1. Psilophytinae (psilophytes)

:*Order 1. Psilophytales

:::*Family 1. Rhyniaceae

:::*Family 2. Psilophytaceae

:::*Family 3. Pseudosporochnaceae

:::*Family 4. Zosterophyllaceae

:::*Family 5. Asteroxylaceae

:*Order 2. Psilotales

Division Lepidophyta

• Class 1. Lycopodinae (lycopods)

:*Order 1. Lycopodiales

:::*Family 1. Protolepidodendraceae

:::*Family 2. Lycopodiaceae

:*Order 2. Selaginellales

:::*Family 1. Selaginellaceae

:::*Family 2. Miadesmiaceae

:*Order 3. Lepidodendrales

:::*Family 1. Lepidodendraceae

:::*Family 2. Lepidocarpaceae

:::*Family 3. Bothrodendraceae

:::*Family 4. Sigillariaceae

:*Order 4. Isoetales

:::*Family 1. Pleuromeiaceae

:::*Family 2. Isoetaceae

Division Calamophyta

• Class 1. Equisetinae (horsetails)

:*Order 1. Hyeniales

:*Order 2. Sphenophyllales

:*Order 3. Equisetales

:::*Family 1. Calamitaceae

:::*Family 2. Equisetaceae

Division Pterophyta

• Class 1. Filicinae (ferns)

*Subclass 1. Primofilices (or Inversicatenales, Coenopterideae, Palaeopteridales)

:*Order 1. Protopteridales

:::*Family 1. Protopteridaceae

:::*Family 2. Cladoxylaceae

:*Order 2. Coenopteridales

:::*Family 1. Zygopteridaceae

:::*Family 2. Botryopteridaceae

:::*Family 3. Anachoropteridaceae

:*Order 3. Archaeopteridales

*Subclass 2. Eusporangitae

:*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