Family Lecanoraceae is a group of lichen-forming fungi commonly known as shield lichens. These shield lichens are characterised by their circular or semi-circular thalli which can grow up to several centimetres in diameter.
Some synonyms for the Family Lecanoraceae include the Lecanoraceae family, the shield lichen family, and the disk lichen family. These synonyms refer to the same group of fungi and can be used interchangeably.
Shield lichens can be found in a variety of habitats, from arctic tundra to dry deserts, and are often used as indicators of environmental health. They play an important role in stabilising soils and providing habitat for other organisms, making them an important part of many ecosystems.