Algae can appear as green, black, or brown patches on the fence. Musty or damp smell: If the fence is affected by algae or mould, you might notice a musty or damp smell.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness ...

Freshwater biodiversity data can be found in our Freshwater Biodata Information System (GBIF) Finally, we provide images and data to other organisations and websites to further the identification of ...