Proper noun
Cronquist system
A taxonomic classification system for flowering plants.
The Cronquist system also recognised this order with eight families, but organized the order in the subclass Zingiberidae of the class Liliopsida ( monocotyledons ). Source: Internet
The species now composing the family Nitrariaceae in APG III also belonged to this order in the Cronquist system as part of the family Zygophyllaceae, while those now in the family Kirkiaceae were present as part of the family Simaroubaceae. Source: Internet
Under the Cronquist system and some other plant classification systems, the order Fabales contains only the family Fabaceae. Source: Internet