Botany in a Day Nature Merit Badge by the Boy Scouts of America. Although the text is primarily oriented towards North American plants, "Botany in a Day" has been used to identify plants in Europe, Asia, Africa, Australia, and South America. As of 2010, there were more than 45,000 copies in print. Botany in a Day Botany in a Day: The Patterns Method of Plant Identification is a book by Thomas J. Elpel published by HOPS Press, LLC. The book emphasizes family characteristics for plant identification. Related plants typically have similar floral features and often similar uses. For example, plants of the mustard family
History of botany publication of "papers" that emanated from research "schools" that promoted the questioning of conventional wisdom. This process had started in the late 18th century when specialist journals began to appear. Even so, botany was greatly stimulated by the appearance of the first "modern" textbook, Matthias Schleiden's (1804–1881) ', published in English in 1849 as "Principles of Scientific Botany". By 1850 an invigorated organic chemistry had revealed the structure of many plant constituents. Although the great era of plant classification had now passed the work of description continued. Augustin de Candolle (1778–1841) succeeded Antoine-Laurent de Jussieu in managing the botanical project