Judd system

A 20th-century system of plant taxonomy, the Judd system (1999-2016) of plant classification was drawn up by the American botanist Walter S. Judd (1951-) and collaborators, partially based on APG schemes.

2016 system

 * viridophytes (green plants)
 * chlorophytes
 * streptophytes
 * streptophyte green algae
 * embryophytes (land plants)
 * bryophytes
 * liverworts
 * mosses
 * hornworts
 * tracheophytes (vascular plants)
 * lycophytes
 * Lycopodiales
 * euphyllophytes
 * monilophytes (ferns)
 * Equisetales
 * Psilotales
 * Ophioglossales
 * leptosporangiate ferns
 * Osmundales
 * Salviniales
 * Cyatheales
 * Polypodiales
 * eupolypods I
 * eupolypods II
 * spermatophytes (seed plants)
 * gymnosperms
 * Cycadales (cycads)
 * Ginkgoales
 * Coniferales (conifers)
 * Gnetales
 * angiosperms
 * ANA grade
 * Mesangiospermae
 * magnoliid clade (Magnoliidae)
 * Ceratophyllales
 * monocots (Monocotyledoneae)
 * eudicots (tricolpates; Eudicotyledoneae)