It is estimated to contain about 20 to 50 species.

The genus contains about 15 species that are found in Australia.

The garden now contains about 1,600 species of plant and 40,000 trees in an area of 120,000 m2.

It contains about 8 species all of which are endemic to Asia.

The family contains about 570 species, of which the majority (450) are in Berberis.

By the end of the 17th century, the garden contained about 1,800 different species.

The animal kingdom is estimated to contain about 10 million species.

It is a diverse genus which contains about 114 species and many more to be described.

The natural world contains about 8.7 million species, according to a new estimate described by scientists as the most accurate ever.

The genus contains about 50 species, making it one of the largest in the family.