Dicotyledoneae (Class) I
(According to Cronquist's 1981 Classification of the Angiosperms)
- Magnoliidae (subclass) (8 orders, 39 families, 11,000 species)
Walters and Keil - Chapter 11
- Magnoliales (Magnoliaceae--Magnolia, Liriodendron)
- Laurales (Lauraceae--Sassafras, Lindera, Persea-Greenhouse)
- Piperales (Piperaceae--Peperomia-Greenhouse)
- Nymphaeales (Nymphaeaceae--Nymphaea, Nuphar)
- Ranunculales (Ranunculaceae--Hepatica, Caltha, Aquilegia; Berberidaceae--Berberis, Podophyllum)
- Papaverales (Papaveraceae--Sanquinaria, Papaver;Fumariaceae-- Dicentra)
- Hamamelidae (subclass) (11 orders, 24 families, <3,400 species)
Walters and Keil - Chapter 18
- Hamamelidales (Hamamelidaceae--Hamamelis, Liquidambar)
- Urticales (Ulmaceae--Ulmus, Celtis; Cannabaceae--Cannabis; Moraceae--Morus, Maclura; Ficus-GreenhouseUrticaceae--Urtica, Laportea, Boehmeria; Pilea, Pellionia-Greenhouse)
- Juglandales (Juglandaceae--Juglans, Carya)
- Myricales (Myricaceae--Myrica, Comptonia)
- Fagales (Fagaceae--Castanea, Fagus, Quercus; Betulaceae--Alnus, Betula, Carpinus, Corylus, Ostrya)
- Caryophyllidae (subclass) (3 orders, 14 families, 11,000 species)
Walters and Keil - Chapter 17
- Caryophyllales (Phytolaccaceae--Phytolacca; Rivina-Greenhouse; Nyctaginaceae--Bougainvillea-Greenhouse; Aizoaceae--Lithops- Greenhouse; Cactaceae--Opuntia, Cereus, and others-Greenhouse; Chenopodiaceae--Chenopodium, Salicornia; Amaranthaceae-- Amaranthus, Iresine-Greenhouse; Portulacaceae--Claytonia; Portulacaria-Greenhouse; Caryophyllaceae--Dianthus, Stellaria, Silene, Saponaria)
- Polygonales(Polygonaceae--Polygonum, Rumex)