Magnoliopsida is a valid botanical name for a class of flowering plants. By definition the class will include the family Magnoliaceae, but its circumscription can otherwise vary, being more inclusive or less inclusive depending upon the classification system being discussed.
In the Takhtajan system and the Cronquist system the name was used for the group known as dicotyledons.
The Takhtajan system used this internal taxonomy:
The Cronquist system...
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Magnoliopsida is a valid botanical name for a class of flowering plants. By definition the class will include the family Magnoliaceae, but its circumscription can otherwise vary, being more inclusive or less inclusive depending upon the classification system being discussed.
In the Takhtajan system and the Cronquist system the name was used for the group known as dicotyledons.
The Takhtajan system used this internal taxonomy:
The Cronquist system used this internal taxonomy (in the 1981 version):
The Dahlgren system and the Thorne system (1992) used the name Magnoliopsida for the flowering plants (angiosperms). However, the Cronquist system has been very popular and there have been many versions of the system published. In some of these Cronquist-based systems the name Magnoliopsida (at the rank of class) refers to the flowering plants (the angiosperms).
The Reveal system used the name Magnoliopsida for a group of the primitive dicotyledons, corresponding to about half of the plants...
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