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Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Magnoliopsida
Ordo: Fagales
Familiae: Betulaceae - Casuarinaceae - Fagaceae - Juglandaceae - Rhoipteleaceae - Myricaceae - Nothofagaceae - Ticodendraceae


Fagales Engler


* Betulales
* Casuarinales
* Corylales
* Juglandales
* Myricales
* Nothofagales
* Quercales
* Rhoipteleales

Vernacular name
Русский: Букоцветные
Українська: Букоцвіті

The Fagales are an order of flowering plants, including some of the best known trees. The order name is derived from genus Fagus, Beeches. They belong among the rosid group of dicotyledons. The families and genera currently included are as follows:

* Nothofagaceae - Southern beech family (Nothofagus - subgenera Fuscospora, Brassospora and Lophozonia)
* Fagaceae - Beech family (Fagus, Quercus, Castanea, Castanopsis, Chrysolepis, Formanodendron, Lithocarpus, Trigonobalanus, Colombobalanus)
* Juglandaceae - Walnut family (Juglans, Pterocarya, Carya, Cyclocarya, Alfaroa, Engelhardia, Oreomunnea, Platycarya, Rhoiptelea)
* Myricaceae - Bayberry family (Myrica, Canacomyrica, Comptonia)
* Ticodendraceae - Ticodendron family (Ticodendron)
* Betulaceae - Birch family (Betula, Alnus, Carpinus, Corylus, Ostrya, Ostryopsis)
* Casuarinaceae - She-oak family (Casuarina, Gymnostoma, Ceuthostoma, Allocasuarina)

The older Cronquist system only included four families (Betulaceae, Corylaceae, Fagaceae, Ticodendraceae; Corylaceae now being included within Betulaceae); this arrangement is followed by, for example, the World checklist of selected plant families (see external link below). The other families were split into three different orders, placed among the Hamamelidae. The Casuarinales comprised the single family Casuarinaceae, the Juglandales comprised the Juglandaceae and Rhoipteleaceae, and the Myricales comprised the remaining forms (plus Balanops). The change is due to studies suggesting that the Myricales, so defined, are paraphyletic to the other two groups.

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Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License