Currently, in the phylum Angiosperm, there are eight classes, (see list on the previous page) which consist of three core-angiosperm, two early core-angiosperm and three basal-angiosperm.

The Core angiosperm, also referred to as the Mesangiospermae, encompasses the vast majority of flowering plants, excluding the basal angiosperms, which are considered the flowering plants with the earliest fossil records. The core-angiosperms

Previously, this Class in the phylum Angiosperm was called Dicotyledonae, often referred to as Casss Dicotyledon, and commonly referred to as the Dicots. The word Dicotyledon is from the Greek words di meaning two, and cotyledon meaning embryonic leaf.

The class Eudicotyledons, commonly referred to as eudicots, are flowering plants whose floral parts are in multiples of four or five, seeds typically contain two embryonic leaf (cotyledon) and leaves that are broad with a network of veins.

Eudicotyledons are the largest groups into which flowering plants are found, as well as the largest group of any other class in the plant kingdom. These are plants that produce seeds within an enclosure, and such enclosure is usually a fruit.

Numerous familiar plants are eudicots, including many common food plants, fruit bearing trees, and ornamental plants. Some common and familiar eudicots include members of the sunflower family such as the common dandelion, the forget-me-not, cabbage, apple, buttercup, maple, and macadamia.

Most leafy trees of mid-latitudes also belong to eudicots, with notable exceptions being magnolias and tulip trees which belong to magnoliids, as well as the Ginkgo biloba, which is not an angiosperm.

The subdivisions of Eudicots are still being debated but for now, there are three main groups which some call Clades and one Clade has three Divisions:

(1) Clade Pentapetalae

a. Division Asterids

b. Division Rosid (18 or more Orders, 140 Families, 70,000 Species)

c. Division Magnoliophyta

(2) Clade Paraphyletic (4 Orders, 15 Families, 6383 Species)

(3) Clade Gunnerales (1 Order, 2 Families, 65 Species)

2 famalies, 3 genera, 4 species

39 famalies, 749 genera, 12,500 species

7 families, 151 genera, 2000 species

10 families, 42 genera, 600 species

25 families, 347 genera, 8,000 species

4 families, 446 genera, 3,800 species

5 families, 12 genera, 536 species

11 families, 2,000 genera, 32,000 species

1 families, 12 genera, 75 species

2 families, 46 genera, 1090 species

1 families, 8 genera, 130 species

1 families, 3 genera, 36 species

11 families, 125 genera, 2,700 species

2 families, 3 genera, 18 species

5 families, 1,200 genera, 20,000 species

2 families, 23 genera, 160 species

24 families, 1,059 genera, 23,810 species

1 families, 10 genera, 50 species

5 families, 165 genera, 4,080 species

1 families, 1 genera, 5 species

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1 Family, 11 genera, 430 species

4 genera and 92 species

1 genus: Didymeles and 3 species

1 genus and 1 species

1 genera and 2 species

1 genus and 8 species

83 genera and 1660 species

3 genera and 66 species

18 genera and 700 species

2 genera and 2 species

1 genus and 2 species

9 genera and 30 species

74 genera and 520 species

42 genera and 775 species

43 genera and 2000 species

2 genera and 2 species

1 genus: Gunnera, and 63 species.

1 genus: Myrothamnus and 2 species