Judd system
A 20th-century system of plant taxonomy, the Judd system of plant classification was drawn up by the American botanist Walter S. Judd and collaborators, partially based on APG schemes.
2016 system
- viridophytes
- * chlorophytes
- * streptophytes
- ** streptophyte green algae
- ** embryophytes
- *** bryophytes
- **** liverworts
- **** mosses
- **** hornworts
- *** tracheophytes
- **** lycophytes
- ***** Lycopodiales
- **** euphyllophytes
- ***** monilophytes
- ****** Equisetales
- ****** Psilotales
- ****** Ophioglossales
- ****** leptosporangiate ferns
- ******* Osmundales
- ******* Salviniales
- ******* Cyatheales
- ******* Polypodiales
- ******** eupolypods I
- ******** eupolypods II
- ***** spermatophytes
- ****** gymnosperms
- ******* Cycadales
- ******* Ginkgoales
- ******* Coniferales
- ******* Gnetales
- ****** angiosperms
- ******* ANA grade
- ******* Mesangiospermae
- ******** magnoliid clade
- ******** Ceratophyllales
- ******** monocots
- ******** eudicots