Microeconomics is primarily concerned with the factors that affect individual economic choices, the effect of changes in these factors on the individual decision makers, how their choices are coordinated by markets, and how prices and demand are determined in individual markets.
Tansy is a perennial member of the aster family, with serrated, fernlike leaves and flat bright yellow flowers that resemble buttons. Originally native to Europe and Asia, tansy is now widely grown and has a number of traditional medicinal uses, though most modern herbalists warn against its use by laymen.
The Marguerite daisy (Argyranthemum frutescens), from the Canary Islands, is a lovely daisy. The large center is generally yellow but depending on the variety can also be pinkish in color. The petals of the Marguerite are generally white, pink, or yellow.