Acacia is a deciduous tree which was brought from America to Europe in the 17th century. It is considered an invasive species like weed, so often other species suffer because of it.

It can grow up to 25 m in height and about 90 cm in diameter. Its bark is deeply furrowed, greyish-brown and poisonous. The branches are spiky and have smooth bark. Acacia has such a strong root system that it is used on dikes.

Garden nasturtium / Indian cress or monks cress (Tropaeolum majus) is an annual plant originating in South American Andes – from Bolivia north to Columbia. They come in two forms: some are dwarfed and bushy while others can be grown as a vine, climbing five feet or more.

The sweet chestnut is a deciduous tree and it is usually from 20 to 30 metres high. Its young smooth bark becomes greyish-brown with horizontal furrows. It grows deep roots…

The common beech is one of the most common trees in Croatia. It is a deciduous tree and one of the European forms which grows at the altitudes from 100 to 2000 metres…