It affects the behavior of rodents to help itself get transmitted by invading the muscles and nervous system of the rat causing it to do the opoosite of what it would normally do in front of a cat.
Cremini, also known as crimini mushrooms, are simply a different strain than the white button. Developed by commercial growers, they are brown in color and have a slightly deeper taste. Growers also created the concept of portobello mushrooms to sell mature cremini.
The standard for the name mushroom is the cultivated white button mushroom, Agaricus bisporus; hence the word mushroom is most often applied to those fungi (Basidiomycota, Agaricomycetes) that have a stem (stipe), a cap (pileus), and gills (lamellae, sing. mushroom develops from a nodule, or pinhead, less than two millimeters in diameter, called a primordium, which is typically found on or near the surface of the substrate. It is formed within the mycelium, the mass of threadlike hyphae that make up the fungus.