Fungus (see below), which are produced by very closely related "Aspergilli". Quorn, a meat substitute, is made from "Fusarium venenatum". Edible mushrooms include commercially raised and wild-harvested fungi. "Agaricus bisporus", sold as button mushrooms when small or Portobello mushrooms when larger, is the most widely cultivated species in the West, used in salads, soups, and many other dishes. Many Asian fungi are commercially grown and have increased in popularity in the West. They are often available fresh in grocery stores and markets, including straw mushrooms ("Volvariella volvacea"), oyster mushrooms ("Pleurotus ostreatus"), shiitakes ("Lentinula edodes"), and enokitake ("Flammulina" spp.). Many other mushroom
Flat design Experience, LG UX, and Huawei EMUI. Flat design has been criticized for making user interfaces unintiuitive and less usable. By making all design elements (menus, buttons, links, etc.) flat, distinguishing what function an element serves may become more difficult, for example, determining whether an element is a button or an indicator. Research has shown that flat design is more popular with young adults than older adults. Research also showed that, while young people seem faster at navigating flat designs, they also have trouble with understanding the user interface. In 2013 Jakob Nielsen, an expert in user interface design and usability,