Engler system

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One of the prime systems of plant taxonomy, the Engler system was devised by Adolf Engler.

According to Engler, Syllabus der Pflanzenfamilien (1924) the main groups of plants are:

  • I. divisio Schizophyta
  • II. divisio Phytosarcodina
  • III. divisio Flagellatae
  • IV. divisio Dinoflagellatae
  • V. divisio Bacillariophyta
  • VI. divisio Conjugatae
  • VII. divisio Chlorophyceae
  • VIII. divisio Charophyta
  • IX. divisio Phaeophyceae
  • X. divisio Rhodophyceae
  • XI. divisio Eumycetes
  • XII. divisio Embryophyta asiphonogama
    1 subdivisio Bryophyta
    2 subdivisio Pteridophyta
  • XIII. divisio Embryophyta siphonogama
    1 subdivisio Gymnospermae
    2 subdivisio Angiospermae
    1 classis Monocotyledoneae
    2 classis Dicotyledoneae

In modern classifications, Engler's divisions I - XI are not considered plants but are classified in other groups (although some botanists do accept Engler's divisions VII and VIII, the "green algae", as plants).